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PDF ( 数据手册 , 数据表 ) 5Q1565

零件编号 5Q1565
描述 KA5Q1565
制造商 Fairchild Semiconductor
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5Q1565 数据手册, 描述, 功能
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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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5Q1565 pdf, 数据表
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KA5Q-SERIES
Typical Performance Characteristics
1.10
1.05
1.00
0.95
0.90
0.85
-250255075100125150
VSTART
Tem p.(ºC)
Figure 1. Start Threshold Voltage
1.08
1.01
0.94
0.87
0.80
-250255075100125150
Tem p.(ºC)
Figure 3. Start Up Current
1.10
1.05
1.00
0.95
0.90
0.85
-25
0255075100125150
Tem p.(ºC)
Figure 5. Initial Freqency
1.10
1.06
1.02
0.98
0.94
0.90
-250255075100125150
VJTOP
Tem p.(ºC)
Figure 2. Stop Threshold Voltage
1.10
1.05
1.00
0.95
0.90
0.85
-250255075100125150
IOP Temp.(ºC)
Figure 4. Operting Supply Current
1.10
1.06
1.02
0.98
0.94
0.90
-250255075100125150
Tem p.(ºC)
Figure 6. Maximum Duty
8
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5Q1565 equivalent, schematic
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KA5Q-SERIES
Ordering Information
Product Number
KA5Q0765RTTU
KA5Q0765RTYDTU
KA5Q12656RTTU
KA5Q12656RTYDTU
KA5Q1265RFTU
KA5Q1265RFYDTU
KA5Q1565RFTU
KA5Q1565RFYDTU
TU : Non Forming Type
YDTU : Forming Type
Package
TO-220F-5L
TO-220F-5L (Forming)
TO-220F-5L
TO-220F-5L (Forming)
TO-3PF-5L
TO-3PF-5L (Forming)
TO-3PF-5L
TO-3PF-5L (Forming)
Rating
650V, 7A
650V,12A
650V,12A
650V,15A
IOVER
5A
6A
8A
11.5A
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; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
8/25/03 0.0m 001
Stock#DSxxxxxxxx
2003 Fairchild Semiconductor Corporation
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