ka5q0565rt Fairchild Semiconductor, ka5q0565rt Datasheet

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ka5q0565rt

Manufacturer Part Number
ka5q0565rt
Description
Fairchild Power Switch Fps
Manufacturer
Fairchild Semiconductor
Datasheet

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KA5Q0565RT
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ka5q0565rtYDTU
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Features
• Quasi Resonant Converter Controller
• Internal Burst Mode Controller for Stand-by Mode
• Pulse by Pulse Current Limiting
• Over Current Latch Protection
• Over Voltage Protection (Vcc: Min. 27V)
• Internal Thermal Shutdown Function
• Under Voltage Lockout
• Internal High Voltage Sense FET
• Auto-Restart Mode
Internal Block Diagram
K A 5 Q 0 5 65RT
Fai r c h i l d Pow e r Sw i t c h (FPS)
5
4
VCC
7.5V
30V
Idelay
+
+
VREF
Ifb
1V
+
+
+
S
R
12V off
11V on
2.5R
Q
R
+
+
Q
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.
The integrated PWM controller includes the fixed oscillator,
the under voltage lock out, the leading edge blanking, the
optimized gate turn-on/turn-off driver, the thermal shut down
protection, the over voltage protection, and the temperature
compensated precision current sources for loop compensation
and fault protection circuitry. Compared to a discrete
MOSFET and a controller or a RCC switching converter
solutions, a Fairchild Power Switch(FPS) can reduce the total
number of components, design size, and weight, so it will
improve efficiency, productivity, and system reliability. It has
a basic platform well suited for cost-effective design in a
quasi-resonant converter as a C-TV power supply.
R
TO-220F-5L
Offset
S
S
R
QB
15V/9V
UVLO
+
+
www.fairchildsemi.com
1V
3
Rsense
1
2

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ka5q0565rt Summary of contents

Page 1

65RT Fai Pow (FPS) Features • Quasi Resonant Converter Controller • Internal Burst Mode Controller for Stand-by Mode • Pulse by ...

Page 2

... KA5Q0565RT Absolute Maximum Ratings Parameter Notes: 2 Symbol Value Unit ...

Page 3

... Electrical Characteristics (SFET Part) Parameter Note: Symbol Condition KA5Q0565RT Min. Typ. Max. Unit 3 ...

Page 4

... KA5Q0565RT Electrical Characteristics Parameter UVLO SECTION OSCILLATOR SECTION FEEDBACK SECTION PROTECTION SECTION SYNC SECTION Note: 4 Symbol Condition Min. Typ. Max. Unit ...

Page 5

... Electrical Characteristics Parameter BURST MODE SECTION CURRENT LIMIT(SELF-PROTECTION)SECTION TOTAL DEVICE SECTION Note: Symbol Condition KA5Q0565RT Min. Typ. Max. Unit 5 ...

Page 6

... KA5Q0565RT Typical Performance Characteristics      Figure 1. Start Voltage      Figure 3. Stand by Current      Figure 5. Initial Frequency Figure 2. Stop Voltage      Figure 4. Operating Current      Figure 6. Maximum Duty                   ...

Page 7

... Typical Performance Characteristics      Figure 7. Feedback Offset Voltage      Figure 9. Over Voltage Protection      Figure 11. ShutDown Delay Current      Figure 8. Feedback Source Current      Figure 10. Shutdown Feedback Voltage      Figure 12. Burst Mode Enable Feedback Voltage KA5Q0565RT                   7 ...

Page 8

... KA5Q0565RT Typical Performance Characteristics     Figure 13. Burst Mode Low Threshold Voltage      Figure 15. Burst Mode Sync. High Threshold Voltage      Figure 17. Primary Voltage Figure 14. Burst Mode High Threshold Voltage      Figure 16. Burst Mode Sync. Low Threshold Voltage      Figure 18. Primary Mode Gain          ...

Page 9

... Figure 19. Peak Current Limit      Figure 21. Normal Mode Sync. High Threshold Voltage Typical Performance Characteristics (MOSFET Part) EAS-TCH Figure 22. Temperature (T ) vs. Eas Curve Figure 20. Burst Mode Peak Current Limit      Figure 21. Normal Mode Sync. Low Threshold Voltage  Figure 23. Transient Thermal Response Curve KA5Q0565RT                 9 ...

Page 10

... KA5Q0565RT Package Dimensions 10 TO-220F-5L ...

Page 11

... Package Dimensions TO-220F-5L(Forming) KA5Q0565RT 11 ...

Page 12

... KA5Q0565RT Ordering Information Product Number Package DISCLAIMER LIFE SUPPORT POLICY Operating Temp. ...

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