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What is 5Q1265RF?

This electronic component, produced by the manufacturer "Fairchild", performs the same function as "KA5Q1265RF".


5Q1265RF Datasheet PDF - Fairchild

Part Number 5Q1265RF
Description KA5Q1265RF
Manufacturers Fairchild 
Logo Fairchild Logo 


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www.DataSheet4U.com
www.fairchildsemi.com
KA5Q-SERIES
KA5Q0765RT/KA5Q12656RT/KA5Q1265RF/
KA5Q1565RF
Fairchild Power Switch(FPS)
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 (Vsync: Min. 11V)
• Internal Thermal Shutdown Function
• Under Voltage Lockout
• Internal High Voltage Sense FET
• Auto-Restart Mode
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) consist of high
voltage power SenseFET and current mode PWM controller IC.
PWM controller features integrated fixed oscillator, under
voltage lock out, leading edge blanking, optimized gate turn-on/
turn-off driver, thermal shut down protection, over voltage
protection, temperature compensated precision current sources
for loop compensation and fault protection circuit. compared to
discrete MOSFET and controller or RCC switching converter
solution, a Fairchild Power Switch(FPS) can reduce 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 cost-effective design in quasi
resonant converter as C-TV power supply.
TO-220F-5L TO-3PF-5L
Internal Block Diagram
11
1. Drain 2. GND 3. VCC 4. FB 5. Sync
VCC DRAIN
31
SYNC 5
FEEDBACK 4
Burst Mode
3.5V/1.25V
Normal Mode
4.6V/2.6V
VREF
Ifb
+
- 32V +-1%
11V on
12V off
-
+
-
+
+ OSC
-
2.5R
R
-
+
Internal
BIAS
VREF
S QB
R
LEB
450ns
+
-
UVLO
15V/9V
RnRoon
Rof
fRoff
7.5V
Sync
12V
Idelay 1V
+
- OLP
+
- OVP
+
-
Power
on
Reset
SQ
R
Offset
Delay
80ns
+
-
OCL
Rsense
1V
QS
R Power on Reset
(VCC=6.5V)
Thermal
Shut Down
2 SOURCE
©2003 Fairchild Semiconductor Corporation
Rev.1.0.3

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5Q1265RF equivalent
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KA5Q-SERIES
Absolute Maximum Ratings (SFET Part)
(Ta=25°C, unless otherwise specified)
Characteristic
KA5Q1565RF
Drain-Source Breakdown Voltage
Symbol
BVDSS
Zero Gate Voltage Drain Current
IDSS
Static Drain-Source on Resistance (Note)
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Turn on Delay Time
Rise Time
Turn Off Delay Time
RDS(ON)
Ciss
Coss
Crss
td(on)
tr
td(off)
Fall Time
tf
Total Gate Charge
(Gate-Source+Gate-Drain)
Gate-Source Charge
Qg
Qgs
Gate-Drain (Miller) Charge
Qgd
Test condition
VGS=0V, ID=50µA
VDS=Max., Rating,
VGS=0V
VDS=0.8Max., Rating,
VGS=0V, TC=85°C
VGS=10V, ID=7.3A
VGS=0V, VDS=25V,
f=1MHz
VDD=0.5BVDSS, ID=14.6A
(MOSFET switching
time are essentially
independent of
operating temperature)
VGS=10V, ID=14.6A,
VDS=0.8BVDSS (MOSFET
switching time are
essentially independent of
operating temperature)
Min. Typ. Max. Unit
650 -
-V
- - 200 µA
- - 300 µA
- 0.5 0.65 W
- 2580 -
- 270 -
pF
- 50 -
- 50 -
- 155 -
- 270 -
nS
- 125 -
- 90 117
- 15 - nC
- 45 -
Note:
1. Pulse test: Pulse width 300µS, duty cycle 2%
5


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1. Fairchild Power Switch(FPS) - KA5Q1265RF

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Featured Datasheets

Part NumberDescriptionMFRS
5Q1265RFThe function is KA5Q1265RF. FairchildFairchild
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