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Número de pieza | 5Q0565RT | |
Descripción | KA5Q0565RT | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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Fairchild Power Switch(FPS)
www.fairchildsemi.com
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
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.
TO-220F-5L
Internal Block Diagram
1. Drain 2. GND 3. VCC
4. Feedback 5. Sync
VCC DRAIN
31
SYNC 5
FEEDBACK 4
Burst Mode
3.5V/1.25V
Normal Mode
4.6V/2.6V
VREF
Ifb
11V on
12V off
-
+
-
+
+ OSC
-
2.5R
R
-
+
7.5V
VCC
30V
Idelay 1V
+
- OLP
+
- OVP
+
-
Power
on
Reset
SQ
R
Internal
BIAS
VREF
S QB
R
LEB
450ns
+
-
UVLO
15V/9V
RnRoon
RfRoof ff
Offset
QS
R
Power
Reset
Delay
80ns
+
-
OCL
Rsense
1V
Thermal
Shut Down
2 SOURCE
©2004 Fairchild Semiconductor Corporation
Rev.1.0.4
www.DataSheet.in
1 page KA5Q0565RT
Electrical Characteristics (Continued)
(Ta=25°C unless otherwise specified)
Parameter
Symbol
BURST MODE SECTION
Burst Mode Low Threshold Voltage
Burst Mode High Threshold Voltage
Burst Mode Enable Feedback Voltage
Burst Mode Peak Current Limit
VBURL
VBURH
VBEN
IBU_PK
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit(Note3)
IPK
TOTAL DEVICE SECTION
Start Up Current
Operating Supply Current (Note1)
ISTART
IOP
IOP(MIN)
IOP(MAX)
Condition
Vfb = 0V
Vfb = 0V
Vcc = 10.5V
Vcc = 10.5V
-
Vfb = GND, VCC = 14V
Vfb = GND, VCC = 16V
Vfb = GND, VCC = 10V
Vfb = GND, VCC = 28V
Min. Typ. Max. Unit
10.4 11.0 11.6
11.4 12.0 12.6
0.7 1.0 1.3
0.65 0.85 1.1
V
V
V
A
3.08 3.5 3.92 A
- 0.1 0.2 mA
- 10 18 mA
Note:
1. These parameters is the current flowing in the Control IC.
2. These parameters, although guaranteed, are tested in EDS(wafer test) process.
3. These parameters indicate Inductor Current.
www.DataSheet.in
5
5 Page Package Dimensions (Continued)
TO-220F-5L(Forming)
KA5Q0565RT
www.DataSheet.in
11
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet 5Q0565RT.PDF ] |
Número de pieza | Descripción | Fabricantes |
5Q0565RT | KA5Q0565RT | Fairchild Semiconductor |
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