KA5L0380R Fairchild Semiconductor, KA5L0380R Datasheet

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KA5L0380R

Manufacturer Part Number
KA5L0380R
Description
The Fairchild Power Switch (FPS) product family is specially designed for an off-line SMPS with minimal external components
Manufacturer
Fairchild Semiconductor
Datasheet

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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
Internal Block Diagram
©2003 Fairchild Semiconductor Corporation
KA5x03xx-SERIES
KA5H0365R, KA5M0365R, KA5L0365R
KA5H0380R, KA5M0380R, KA5L0380R
Fairchild Power Switch(FPS)
#3 V
#4 FB
CC
5μA
7.5V
27V
32V
+
+
1mA
OVER VOLTAGE S/D
2.5R
1R
9V
Thermal S/D
+
OSC
Vref
5V
0.1V
L.E.B
Good
logic
S
R
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
Q
Power on reset
Internal
bias
S
R
Q
1. GND 2. Drain 3. V
1
TO-220F-4L
www.fairchildsemi.com
SFET
CC
4. FB
#2 DRAIN
#1 GND
Rev.1.0.7

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KA5L0380R Summary of contents

Page 1

... KA5x03xx-SERIES KA5H0365R, KA5M0365R, KA5L0365R KA5H0380R, KA5M0380R, KA5L0380R Fairchild Power Switch(FPS) 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 • ...

Page 2

... C Single Pulsed Avalanche Energy Maximum Supply Voltage Analog Input Voltage Range Total Power Dissipation Operating Junction Temperature. Operating Ambient Temperature. Storage Temperature Range. KA5H0380R, KA5M0380R, KA5L0380R Drain-Gate Voltage (R =1MΩ) GS Gate-Source (GND) Voltage (1) Drain Current Pulsed Continuous Drain Current (T =25°C) ...

Page 3

... Turn On Delay Time Rise Time Turn Off Delay Time Fall Time Total Gate Charge (Gate-Source+Gate-Drain) Gate-Source Charge Gate-Drain (Miller) Charge KA5H0380R, KA5M0380R, KA5L0380R Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Static Drain-Source on Resistance (Note) Forward Transconductance Input Capacitance Output Capacitance ...

Page 4

... KA5M0365R F OSC KA5M0380R KA5L0365R F OSC KA5L0380R (2) - -25°C≤Ta≤+85°C KA5H0365R Dmax KA5H0380R KA5M0365R KA5M0380R Dmax KA5L0365R KA5L0380R I Ta=25°C, 0V<Vfb< Vfb>6.5V SD Idelay Ta=25°C, 5V≤Vfb≤V Vref Ta=25°C Vref/ΔT -25°C≤Ta≤+85°C I Max. inductor current OVER V V >24V ...

Page 5

Typical Performance Characteristics(SenseFET part) (KA5H0365R, KA5M0365R, KA5L0365R Top : 15V 10V 8.0V 7.0V 6.0V 5.5V 5.0V Bottom:4. Drain-Source Voltage [V] DS Figure 1. Output Characteristics 7 6 Vgs=10V ...

Page 6

KA5X03XX-SERIES Typical Performance Characteristics (KA5H0365R, KA5M0365R, KA5L0365R) 1.2 1.1 1.0 0.9 0.8 - Junction Temperature [ J Figure 7. Breakdown Voltage vs. Temperature 2 10 Operation in This Area is Limited by R DS(on ...

Page 7

... Typical Performance Characteristics (KA5H0380R, KA5M0380R, KA5L0380R 15V 10V 8.0V 7.0V 6.0V 5.5V 5.0V B ottom :4. Figure 1. Output Characteristics ...

Page 8

... KA5X03XX-SERIES Typical Performance Characteristics (KA5H0380R, KA5M0380R, KA5L0380R) 1.2 1.1 1.0 0.9 0.8 - Junction T em perature [ J Figure 7. Breakdown Voltage vs. Temperature 2 10 Operation in This Area is Limited Notes : - 150 J 3. Single Pulse - Drain-Source Voltage DS Figure 9. Max. Safe Operating Area ...

Page 9

Typical Performance Characteristics (Control Part) (These characteristic graphs are normalized 25°C) 1.20 1.15 1.10 1.05 Fosc 1.00 0.95 0.90 0.85 0.80 -40 - Temperature [℃] Figure 1. Operating Frequency 1.20 1.15 1.10 1.05 Iop 1.00 ...

Page 10

KA5X03XX-SERIES Typical Performance Characteristics (These characteristic graphs are normalized 25°C) 1.20 1.15 1.10 1.05 Vstop 1.00 0.95 0.90 0.85 0.80 -40 - Temperature [℃] Figure 7. Stop Threshold Voltage 1.20 1.15 1.10 1.05 Vz 1.00 ...

Page 11

Typical Performance Characteristics (These characteristic graphs are normalized 25°C) 3.00 2.50 2.00 Rds(on) 1.50 1.00 0.50 0.00 -40 - 100 125 150 Temperature [℃] Figure13. Static Drain-Source on Resistance (Continued) KA5X03XX-SERIES 11 ...

Page 12

KA5X03XX-SERIES Package Dimensions 12 TO-220F-4L ...

Page 13

Package Dimensions (Continued) TO-220F-4L(Forming) KA5X03XX-SERIES 13 ...

Page 14

... TO-220F-4L(Forming) KA5M0380RTU TO-220F-4L KA5M0380RYDTU TO-220F-4L(Forming) KA5L0380RTU TO-220F-4L KA5L0380RYDTU TO-220F-4L(Forming) TU :Non Forming Type YDTU : Forming type DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN ...

Page 15

... TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended exhaustive list of all such trademarks. 2Cool FPS AccuPower F-PFS FRFET Auto-SPM Global Power Resource AX-CAP ...

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