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Transcript of 5M0380R
©2002 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.5
Features
• Precision Fixed Operating Frequency (100/67/50kHz)
• Low Start-up Current(Typ. 100uA)
• Pulse by Pulse Current Limiting
• Over Current Protection
• Over Voltage Protection (Min. 25V)
• Internal Thermal Shutdown Function
• Under Voltage Lockout
• Internal High Voltage Sense FET
• Auto-Restart Mode
Applications
• SMPS for VCR, SVR, STB, DVD & DVCD
• SMPS for Printer, Facsimile & Scanner
• Adaptor for Camcorder
Description
The Fairchild Power Switch(FPS) product family is specially
designed for an off-line SMPS with minimal external
components. The Fairchild Power Switch(FPS) consists of a
high voltage power SenseFET and a current mode PWM IC.
Included PWM controller integrates the fixed frequency
oscillator, the under voltage lock-out, the leading edge
blanking, the optimized gate turn-on/turn-off driver, the
thermal shutdown protection, the over voltage protection,
and the temperature compensated precision current sources
for the loop compensation and the fault protection circuitry.
Compared to a discrete MOSFET and a PWM controller or
an RCCsolution, a Fairchild Power Switch(FPS) can reduce
the total component count, design size and weight and at the
same time increase efficiency, productivity, and system
reliability. It has a basic platform well suited for the cost
effective design in either a flyback converter or a forward
converter
Internal Block Diagram
#3 VCC
32V
5µA
9V
2.5R1R
1mA
0.1V+
−
OVER VOLTAGE S/D
+
−
7.5V
27V
Thermal S/D
S
RQ
Power on reset
+
−L.E.B
S
RQ
OSC
5VVref
Internalbias
Goodlogic
SFET
#2 DRAIN
#1 GND
#4 FB
(*#3 VCC)
(*#4 FB)
(*#1.6.7.8 DRAIN)
(*#2 GND)
*Asterisk - KA5M0365RN, KA5L0365RN
KA5x03xx-SERIESKA5H0365R, KA5M0365R, KA5L0365R, KA5M0365RN,
KA5L0365RN, KA5H0380R, KA5M0380R, KA5L0380R
Fairchild Power Switch(FPS)
TO-220F-4L
1. GND 2. Drain 3. VCC 4. FB
1
8-DIP
1.6.7.8 Drain2. GND3. VCC4. FB 5. NC
KA5X03XX-SERIES
2
Absolute Maximum Ratings
(Ta=25°C, unless otherwise specified)
Note:
1. Repetitive rating: Pulse width limited by maximum junction temperature
2. L = 51mH, starting Tj = 25°C
3. L = 13µH, starting Tj = 25°C
Characteristic Symbol Value Unit
KA5H0365R, KA5M0365R, KA5L0365R
Maximum Drain Voltage VD,MAX 650 V
Drain-Gate Voltage (RGS=1MΩ) VDGR 650 V
Gate-Source (GND) Voltage VGS ±30 V
Drain Current Pulsed (1) IDM 12.0 ADC
Continuous Drain Current (TC=25°C) ID 3.0 ADC
Continuous Drain Current (TC=100°C) ID 2.4 ADC
Single Pulsed Avalanche Energy (2) EAS 358 mJ
Maximum Supply Voltage VCC,MAX 30 V
Analog Input Voltage Range VFB -0.3 to VSD V
Total Power DissipationPD 75 W
Derating 0.6 W/°C
Operating Junction Temperature. TJ +160 °C
Operating Ambient Temperature. TA -25 to +85 °C
Storage Temperature Range. TSTG -55 to +150 °C
KA5H0380R, KA5M0380R, KA5L0380R
Maximum Drain Voltage VD,MAX 800 V
Drain-Gate Voltage (RGS=1MΩ) VDGR 800 V
Gate-Source (GND) Voltage VGS ±30 V
Drain Current Pulsed (1) IDM 12.0 ADC
Continuous Drain Current (TC=25°C) ID 3.0 ADC
Continuous Drain Current (TC=100°C) ID 2.1 ADC
Single Pulsed Avalanche Energy (2) EAS 95 mJ
Maximum Supply Voltage VCC,MAX 30 V
Analog Input Voltage Range VFB -0.3 to VSD V
Total Power DissipationPD 75 W
Derating 0.6 W/°C
Operating Junction Temperature. TJ +160 °C
Operating Ambient Temperature. TA -25 to +85 °C
Storage Temperature Range. TSTG -55 to +150 °C
KA5X03XX-SERIES
3
Absolute Maximum Ratings
(Ta=25°C, unless otherwise specified)
Note:
1. Repetitive rating: Pulse width limited by maximum junction temperature
2. L = 51mH, starting Tj = 25°C
3. L = 13µH, starting Tj = 25°C
Characteristic Symbol Value Unit
KA5M0365RN, KA5L0365RN
Maximum Drain Voltage VD,MAX 650 V
Drain-Gate Voltage (RGS=1MΩ) VDGR 650 V
Gate-Source (GND) Voltage VGS ±30 V
Drain Current Pulsed (1) IDM 12.0 ADC
Continuous Drain Current (Ta=25°C) ID 0.42 ADC
Continuous Drain Current (Ta=100°C) ID 0.28 ADC
Single Pulsed Avalanche Energy (2) EAS 127 mJ
Maximum Supply Voltage VCC,MAX 30 V
Analog Input Voltage Range VFB -0.3 to VSD V
Total Power DissipationPD 1.56 W
Derating 0.0125 W/°C
Operating Junction Temperature. TJ +160 °C
Operating Ambient Temperature. TA -25 to +85 °C
Storage Temperature Range. TSTG -55 to +150 °C
KA5X03XX-SERIES
4
Electrical Characteristics (SenseFET Part)
(Ta = 25°C unless otherwise specified)
Note:
Pulse test: Pulse width ≤ 300µS, duty ≤ 2%
Parameter Symbol Condition Min. Typ. Max. Unit
KA5H0365R, KA5M0365R, KA5L0365R
Drain-Source Breakdown Voltage BVDSS VGS=0V, ID=50µA 650 - - V
Zero Gate Voltage Drain Current IDSS
VDS=Max. Rating, VGS=0V - - 50 µA
VDS=0.8Max. Rating,
VGS=0V, TC=125°C- - 200 µA
Static Drain-Source on Resistance (Note) RDS(ON) VGS=10V, ID=0.5A - 3.6 4.5 Ω
Forward Transconductance (Note) gfs VDS=50V, ID=0.5A 2.0 - - S
Input Capacitance CissVGS=0V, VDS=25V,
f=1MHz
- 720 -
pFOutput Capacitance Coss - 40 -
Reverse Transfer Capacitance Crss - 40 -
Turn On Delay Time td(on) VDD=0.5BVDSS, ID=1.0A
(MOSFET switching
time is essentially
independent of
operating temperature)
- 150 -
nSRise Time tr - 100 -
Turn Off Delay Time td(off) - 150 -
Fall Time tf - 42 -
Total Gate Charge
(Gate-Source+Gate-Drain)Qg
VGS=10V, ID=1.0A,
VDS=0.5BVDSS (MOSFET
switching time is essentially
independent of
operating temperature)
- - 34
nCGate-Source Charge Qgs - 7.3 -
Gate-Drain (Miller) Charge Qgd - 13.3 -
KA5H0380R, KA5M0380R, KA5L0380R
Drain-Source Breakdown Voltage BVDSS VGS=0V, ID=50µA 800 - - V
Zero Gate Voltage Drain Current IDSS
VDS=Max. Rating, VGS=0V - - 250 µA
VDS=0.8Max. Rating,
VGS=0V, TC=125°C- - 1000 µA
Static Drain-Source on Resistance (Note) RDS(ON) VGS=10V, ID=0.5A - 4.0 5.0 Ω
Forward Transconductance (Note) gfs VDS=50V, ID=0.5A 1.5 2.5 - S
Input Capacitance CissVGS=0V, VDS=25V,
f=1MHz
- 779 -
pFOutput Capacitance Coss - 75.6 -
Reverse Transfer Capacitance Crss - 24.9 -
Turn On Delay Time td(on) VDD=0.5BVDSS, ID=1.0A
(MOSFET switching
time is essentially
independent of
operating temperature)
- 40 -
nSRise Time tr - 95 -
Turn Off Delay Time td(off) - 150 -
Fall Time tf - 60 -
Total Gate Charge
(Gate-Source+Gate-Drain)Qg
VGS=10V, ID=1.0A,
VDS=0.5BVDSS (MOSFET
switching time is
essentially independent of
operating temperature)
- - 34
nCGate-Source Charge Qgs - 7.2 -
Gate-Drain (Miller) Charge Qgd - 12.1 -
S1
R----=
KA5X03XX-SERIES
5
Electrical Characteristics (SenseFET Part)
(Ta = 25°C unless otherwise specified)
Note:
Pulse test: Pulse width ≤ 300µS, duty ≤ 2%
Parameter Symbol Condition Min. Typ. Max. Unit
KA5M0365RN, KA5L0365RN
Drain-Source Breakdown Voltage BVDSS VGS=0V, ID=50µA 650 - - V
Zero Gate Voltage Drain Current IDSS
VDS=Max. Rating, VGS=0V - - 50 µA
VDS=0.8Max. Rating,
VGS=0V, TC=125°C- - 200 µA
Static Drain-Source on Resistance (Note) RDS(ON) VGS=10V, ID=0.5A - 3.6 4.5 Ω
Forward Transconductance (Note) gfs VDS=50V, ID=0.5A 2.0 - - S
Input Capacitance CissVGS=0V, VDS=25V,
f=1MHz
- 314.9 -
pFOutput Capacitance Coss - 47 -
Reverse Transfer Capacitance Crss - 9 -
Turn On Delay Time td(on) VDD=0.5BVDSS, ID=1.0A
(MOSFET switching
time is essentially
independent of
operating temperature)
- 11.2 -
nSRise Time tr - 34 -
Turn Off Delay Time td(off) - 28.2 -
Fall Time tf - 32 -
Total Gate Charge
(Gate-Source+Gate-Drain)Qg
VGS=10V, ID=1.0A,
VDS=0.5BVDSS (MOSFET
switching time is
essentially independent of
operating temperature)
11.93
nCGate-Source Charge Qgs - 1.95 -
Gate-Drain (Miller) Charge Qgd 6.85
S1
R----=
KA5X03XX-SERIES
6
Electrical Characteristics (Control Part) (Continued)
(Ta = 25°C unless otherwise specified)
Note:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS(water test) process
Characteristic Symbol Test condition Min. Typ. Max. Unit
UVLO SECTION
Start Threshold Voltage VSTART VFB=GND 14 15 16 V
Stop Threshold Voltage VSTOP VFB=GND 8.4 9 9.6 V
OSCILLATOR SECTION
Initial Accuracy FOSCKA5H0365R
KA5H0380R90 100 110 kHz
Initial Accuracy FOSC
KA5M0365R
KA5M0365RN
KA5M0380R
61 67 73 kHz
Initial Accuracy FOSC
KA5L0365R
KA5L0365RN
KA5L0380R
45 50 55 kHz
Frequency Change With Temperature (2) - -25°C≤Ta≤+85°C - ±5 ±10 %
Maximum Duty Cycle DmaxKA5H0365R
KA5H0380R62 67 72 %
Maximum Duty Cycle Dmax
KA5M0365R
KA5M0365RN
KA5M0380R
KA5L0365R
KA5L0365RN
KA5L0380R
72 77 82 %
FEEDBACK SECTION
Feedback Source Current IFB Ta=25°C, 0V<Vfb<3V 0.7 0.9 1.1 mA
Shutdown Feedback Voltage VSD Vfb>6.5V 6.9 7.5 8.1 V
Shutdown Delay Current Idelay Ta=25°C, 5V≤Vfb≤VSD 4 5 6 µA
REFERENCE SECTION
Output Voltage (1) Vref Ta=25°C 4.80 5.00 5.20 V
Temperature Stability (1)(2) Vref/∆T -25°C≤Ta≤+85°C - 0.3 0.6 mV/°C
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit IOVER Max. inductor current 1.89 2.15 2.41 A
PROTECTION SECTION
Over Voltage Protection VOVP VCC>24V 25 27 29 V
Thermal Shutdown Temperature (Tj) (1) TSD - 140 160 - °C
TOTAL STANDBY CURRENT SECTION
Start-up Current ISTART VCC=14V - 100 170 µA
Operating Supply Current
(Control Part Only)IOP VCC<28 - 7 12 mA
KA5X03XX-SERIES
7
Typical Performance Characteristics(SenseFET part)
(KA5H0365R, KA5M0365R, KA5L0365R)
1 100.1
1
10
@Notes: 1. 300 µs Pulse Test
2. TC = 25 oC
VGS
Top : 15V 10V 8.0V 7.0V 6.0V 5.5V 5.0VBottom:4.5V
I D, D
rain
Curr
ent [
A]
VDS, Drain-Source Voltage [V]
2 4 6 8 100.1
1
10
@Notes: 1. V
DS = 30V
2. 300 µs Pulse Test
-25oC25 oC
150 oC
I D, D
rain
Curr
ent [
A]
VGS, Gate-Source Voltage [V]
0 1 2 3 4 50
1
2
3
4
5
6
7
@ Note : Tj=25!
Vgs=10V
Vgs=20V
RDS(
on) ,
["]
Dra
in-S
ourc
e O
n-R
esis
tance
ID,Drain Current [A]0.4 0.6 0.8 1.0 1.2
0.01
0.1
1
@Notes : 1. VGS = 0 V 2. 300 µs Pulse Test
25 oC150 oC
I DR, R
eve
rse D
rain
Curr
ent [
A]
VSD, Source-Drain Voltage [V]
100 1010
100
200
300
400
500
600
700
Crss
Coss
Ciss
Ciss
= Cgs
+ Cgd
(Cds
= shorted)
Coss
= Cds
+ Cgd
Crss
= Cgd
Capaci
tance
[pF]
VDS, Drain-Source Voltage [V]
0 5 10 15 20 250
2
4
6
8
10
VDS
=520V
VDS
=320V
VDS
=130V
@ Note : ID=3.0A
VG
S,G
ate
-Sourc
e V
olta
ge[V
]
QG,Total Gate Charge [nC]
Figure 1. Output Characteristics Figure 2. Transfer Characteristics
Figure 3. On-Resistance vs. Drain Current Figure 4. Source-Drain Diode Forward Voltage
Figure 5. Capacitance vs. Drain-Source Voltage Figure 6. Gate Charge vs. Gate-Source Voltage
KA5X03XX-SERIES
8
Typical Performance Characteristics (Continued)
-50 0 50 100 1500.8
0.9
1.0
1.1
1.2
@ Notes :
1. VGS
= 0V
2. ID = 250µA
TJ, Junction Temperature [oC]
BV
DS
S, (N
orm
ali
zed)
Dra
in-S
ourc
e B
reakd
ow
n V
olta
ge
-50 0 50 100 1500.0
0.5
1.0
1.5
2.0
2.5
@ Notes: 1. V
GS = 10V
2. ID = 1.5 A
TJ, Junction Temperature [oC]
RD
S(o
n),
(No
rma
lized
)
Dra
in-S
ou
rce O
n-R
esi
stan
ce
100 101 102 10310-2
10-1
100
101
102
10 µs
DC
100 µs
1 ms
10 ms
@ Notes :
1. TC = 25 oC
2. TJ = 150 oC
3. Single Pulse
Operation in This Area
is Limited by R DS(on)
ID , Drain Current [A]
VDS , Drain-Source Voltage [V]
25 50 75 100 125 1500.0
0.5
1.0
1.5
2.0
2.5
3.0
I D, D
rain
Curr
ent [
A]
TC, Case Temperature [oC]
10-5 10-4 10-3 10-2 10-1 100 10110-2
10-1
100
single pulse
0.2
0.1
0.01
0.02
0.05
D=0.5
@ Notes :
1. ZθJC
(t)=1.25 oC/W Max.
2. Duty Factor, D=t1/t2 3. TJM-TC=PDM*ZθJC
(t)
ZθJC(t) , Thermal Response
t1 , Square Wave Pulse Duration [sec]
Figure 7. Breakdown Voltage vs. Temperature Figure 8. On-Resistance vs. Temperature
Figure 9. Max. Safe Operating Area Figure 10. Max. Drain Current vs. Case Temperature
Figure 11. Thermal Response
KA5X03XX-SERIES
9
Typical Performance Characteristics (Continued)
(KA5H0380R, KA5M0380R, KA5L0380R)
100 10110-1
100
101
@Notes: 1. 300µs Pulse Test
2. TC = 25 oC
VGS
Top : 15V 10V 8.0V 7.0V 6.0V 5.5V 5.0VBottom:4.5V
I D, D
rain
Curr
ent [
A]
VDS, Drain-Source Voltage [V]
2 4 6 8 1010-1
100
101
@ Notes: 1. V
DS = 30 V
2. 300 µs Pulse Test
-25 oC25oC
150oC
I D, D
rain
Curr
ent [
A]
VGS, Gate-Source Voltage [V]
0.4 0.6 0.8 1.00.1
1
10
@ Notes: 1. V
GS = 0V
2. 300 µs Pulse Test
25oC150oC
I DR, R
eve
rse D
rain
Curr
ent [
A]
VSD, Source-Drain Voltage [V]
100 1010
100
200
300
400
500
600
700
800
900
1000
Crss
Coss
Ciss
Ciss = Cgs + Cgd (Cds = shorted)
Coss = Cds + Cgd
Crss = Cgd
Capaci
tance
[pF]
VDS, Drain-Source Voltage [V]
0 5 10 15 20 25 300
2
4
6
8
10
@ Note : ID=3.0A
VDS
=640V
VDS
=400V
VDS=160V
VG
S,G
ate
-Sourc
e V
olta
ge[V
]
QG,Total Gate Charge [nC]
0 1 2 3 40
1
2
3
4
5
6
7
8
Vgs=10V
Vgs=20V
@ Note : Tj=25!
Fig3. On-Resistance vs. Drain Current
RD
S(o
n) ,
["]
Dra
in-S
ourc
e O
n-R
esis
tance
ID,Drain Current
Figure 1. Output Characteristics Figure 2. Thansfer Characteristics
Figure 3. On-Resistance vs. Drain Current Figure 4. Source-Drain Diode Forward Voltage
Figure 5. Capacitance vs. Drain-Source Voltage Figure 6. Gate Charge vs. Gate-Source Voltage
KA5X03XX-SERIES
10
Typical Performance Characteristics (Continued)
(KA5H0380R, KA5M0380R, KA5L0380R)
10-5 10-4 10-3 10-2 10-1 100 10110-2
10-1
100
single pulse
0.2
0.1
0.01
0.02
0.05
D=0.5
@ Notes :
1. ZθJC
(t)=1.25 oC/W Max.
2. Duty Factor, D=t1/t2 3. TJM-TC=PDM*ZθJC
(t)
ZθJC(t) , Thermal Response
t1 , Square Wave Pulse Duration [sec]
-50 0 50 100 1500.8
0.9
1.0
1.1
1.2
@ Notes :
1. VGS = 0V
2. ID = 250µA
TJ, Junction Temperature [oC]
BV
DS
S, (N
orm
alize
d)
Dra
in-S
ourc
e B
reakd
ow
n V
oltage
-50 0 50 100 1500.0
0.5
1.0
1.5
2.0
2.5
RD
S(o
n),
(Norm
alize
d)
Dra
in-S
ourc
e O
n-R
esi
stance
TJ, Junction Temperature [oC]
@ Notes:
1. VGS = 10V
2. ID = 1.5 A
101 102 10310-2
10-1
100
101
102
100 µs
DC
10 µs
1 ms
10 ms
@ Notes :
1. TC = 25 oC
2. TJ = 150 oC
3. Single Pulse
Operation in This Area is Limited by R
DS(on)
ID , Drain Current [A]
VDS , Drain-Source Voltage [V]
40 60 80 100 120 1400.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
I D, D
rain
Curr
ent [
A]
TC, Case Temperature [oC]
Figure 7. Breakdown Voltage vs. Temperature Figure 8. On-Resistance vs. Temperature
Figure 9. Max. Safe Operating Area Figure 10. Max. Drain Current vs. Case Temperature
Figure 11. Thermal Response
KA5X03XX-SERIES
11
Typical Performance Characteristics(SenseFET part) (Continued)
(KA5M0365RN, KA5L0365RN)
100
101
10-1
100
101
VGS
Top : 15.0 V
10.0 V
8.0 V
7.0 V
6.5 V
6.0 V
Bottom : 5.5 V
# Note :
1. 250$ s Pulse Test
2. TC = 25!
I D, D
rain
Cur
rent
[A]
VDS
, Drain-Source Voltage [V]
2 4 6 8 1010
-1
100
101
# Note
1. VDS
= 50V
2. 250$ s Pulse Test
-55!150!
25!
I D , D
rain
Curr
ent [A
]
VGS
, Gate-Source Voltage [V]
0 1 2 3 4 5 6 72.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
VGS
= 20V
VGS
= 10V
# Note : TJ = 25!
RD
S(O
N) [%
],D
rain
-Sour
ce O
n-R
esis
tanc
e
ID, Drain Current [A]
0.2 0.4 0.6 0.8 1.0 1.2 1.410
-1
100
101
25!
150!
# Note :
1. VGS
= 0V
2. 250$ s Pulse Test
I DR , R
eve
rse D
rain
Curr
ent [A
]
VSD
, Source-Drain Voltage [V]
10-1
100
101
100
200
300
400
500
600
700
Ciss
= Cgs
+ Cgd
(Cds
= shorted)
Coss
= Cds
+ Cgd
Crss
= Cgd
# Note ;
1. VGS
= 0 V
2. f = 1 MHz
Crss
Coss
Ciss
Capacita
nce
s [pF
]
VDS
, Drain-Source Voltage [V]
0 2 4 6 8 10 120
2
4
6
8
10
12
VDS
= 325V
VDS
= 130V
VDS
= 520V
# Note : ID = 3.0 AV
GS,
Ga
te-S
ou
rce
Vo
lta
ge
[V
]
QG, Total Gate Charge [nC]
Figure 1. Output Characteristics Figure 2. Transfer Characteristics
Figure 3. On-Resistance vs. Drain Current Figure 4. Source-Drain Diode Forward Voltage
Figure 5. Capacitance vs. Drain-Source Voltage Figure 6. Gate Charge vs. Gate-Source Voltage
KA5X03XX-SERIES
12
Typical Performance Characteristics (Continued)
( KA5M0365RN, KA5L0365RN)
-50 0 50 100 150
0.90
0.95
1.00
1.05
1.10
1.15
# Note :
1. VGS
= 0 V
2. ID = 250 $ A
BV
DS
S, (N
orm
aliz
ed)
Dra
in-S
ourc
e B
reakdow
n V
oltage
TJ, Junction Temperature [
oC]
-50 0 50 100 150
0.5
1.0
1.5
2.0
2.5
# Note :
1. VGS
= 10 V
2. ID = 1.5 A
RD
S(O
N),
(Norm
aliz
ed)
Dra
in-S
ourc
e O
n-R
esis
tance
TJ, Junction Temperature [
oC]
Figure 7. Breakdown Voltage vs. Temperature Figure 8. On-Resistance vs. Temperature
Figure 9. Max. Safe Operating Area Figure 10. Max. Drain Current vs. Case Temperature
Figure 11. Thermal Response
100
101
102
10-3
10-2
10-1
100
101
DC10 s
1 s
100 ms
10 ms
1 ms
100 µs
10 µs
Operation in This Area
is Limited by R DS(on)
I D, D
rain
Curr
ent [A
]
VDS
, Drain-Source Voltage [V]
25 50 75 100 125 150
0.0
0.1
0.2
0.3
0.4
0.5
I D, D
rain
Cur
rent
[A
]
TC, Case Temperature [? ]
1E-5 1E-4 1E-3 0.01 0.1 1 10 100 1000
0.1
1
10
0.05
0.02
0.01
single pulse
0.2
0.1
D=0.5
? Notes :
1. Z? JC
(t) = 80 ? /W Max.
2. Duty Factor, D=t1/t
2
3. TJM
- TC = P
DM * Z
? JC(t)Z
?JC(t
), T
he
rma
l R
esp
on
se
t1, Square Wave Pulse Duration [sec]
KA5X03XX-SERIES
13
Typical Performance Characteristics (Control Part) (Continued)
(These characteristic graphs are normalized at Ta = 25°C)
Fig.1 Operating Frequency
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
1.2
-25 0 25 50 75 &00 &25 &50
Fosc
Fig.2 Feedback Source Current
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
1.2
-25 0 25 50 75 100 125 150
Ifb
Fig.3 Operating Current
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
1.2
-25 0 25 50 75 100 125 150
Iop
Fig.4 Max Inductor Current
0.8
0.85
0.9
0.95
1
1.05
1.1
-25 0 25 50 75 100 125 150
Ipeak
Fig.5 Start up Current
0.5
0.7
0.9
1.1
1.3
1.5
-25 0 25 50 75 100 125 150
Istart
Fig.6 Start Threshold Voltage
0.85
0.9
0.95
1
1.05
1.1
1.15
-25 0 25 50 75 100 125 150
Vstart
Figure 1. Operating Frequency Figure 2. Feedback Source Current
Figure 3. Operating Supply Current Figure 4. Peak Current Limit
Figure 5. Start up Current Figure 6. Start Threshold Voltage
Iover
KA5X03XX-SERIES
14
Typical Performance Characteristics (Continued)
(These characteristic graphs are normalized at Ta = 25°C)
Fig.7 Stop Threshold Voltage
0.85
0.9
0.95
1
1.05
1.1
1.15
-25 0 25 50 75 100 125 150
Vstop
Fig.8 Maximum Duty Cycle
0.85
0.9
0.95
1
1.05
1.1
1.15
-25 0 25 50 75 100 125 150
Dmax
Fig.9 Vcc Zener Voltage
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
1.2
-25 0 25 50 75 100 125 150
Vz
Fig.10 Shutdown Feedback Voltage
0.85
0.9
0.95
1
1.05
1.1
1.15
-25 0 25 50 75 100 125 150
Vsd
Fig.11 Shutdown Delay Current
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
1.2
-25 0 25 50 75 100 125 150
Idelay
Fig.12 Over Voltage Protection
0.85
0.9
0.95
1
1.05
1.1
1.15
-25 0 25 50 75 100 125 150
Vovp
Figure 7. Stop Threshold Voltage Figure 8. Maximum Duty Cycle
Figure 9. VCC Zener Voltage Figure 10. Shutdown Feedback Voltage
Figure 11. Shutdown Delay Current Figure 12. Over Voltage Protection
KA5X03XX-SERIES
15
Typical Performance Characteristics (Continued)
(These characteristic graphs are normalized at Ta = 25°C)
Figure13. Soft Start Voltage Figure 14. Static Drain-Source on Resistance
Fig.13 Soft Start Voltage
0.85
0.9
0.95
1
1.05
1.1
1.15
-25 0 25 50 75 100 125 150
Vss
Fig.14 Drain Source Turn-on
Resistance
0
0.5
1
1.5
2
2.5
-25 0 25 50 75 100 125 150
Rdson( )
KA5X03XX-SERIES
19
Ordering Information
TU :Non Forming Type
YDTU : Forming type
Product Number Package Marking Code BVDSS FOSC RDS(on)
KA5H0365RTU TO-220F-4L5H0365R 650V 100kHz 3.6Ω
KA5H0365RYDTU TO-220F-4L(Forming)
KA5M0365RTU TO-220F-4L5M0365R 650V 67kHz 3.6Ω
KA5M0365RYDTU TO-220F-4L(Forming)
KA5L0365RTU TO-220F-4L5L0365R 650V 50kHz 3.6Ω
KA5L0365RYDTU TO-220F-4L(Forming)
KA5M0365RN 8-DIP 5M0365R 650V 67kHz 3.6Ω
KA5L0365RN 8-DIP 5L0365R 650V 50kHz 3.6Ω
Product Number Package Marking Code BVDSS FOSC RDS(on)
KA5H0380RTU TO-220F-4L5H0380R 800V 100kHz 4.6Ω
KA5H0380RYDTU TO-220F-4L(Forming)
KA5M0380RTU TO-220F-4L5M0380R 800V 67kHz 4.6Ω
KA5M0380RYDTU TO-220F-4L(Forming)
KA5L0380RTU TO-220F-4L5L0380R 800V 50kHz 4.6Ω
KA5L0380RYDTU TO-220F-4L(Forming)
KA5X03XX-SERIES
12/12/02 0.0m 001Stock#DSxxxxxxxx
2002 Fairchild Semiconductor Corporation
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