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5Q1565 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer 5Q1565
Beschreibung KA5Q1565
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 16 Seiten
5Q1565 Datasheet, Funktion
www.DataSheet.co.kr
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
Datasheet pdf - http://www.DataSheet4U.net/






5Q1565 Datasheet, Funktion
www.DataSheet.co.kr
KA5Q-SERIES
Electrical Characteristics (Control Part)
(Ta=25°C unless otherwise specified)
Parameter
Symbol
UVLO SECTION
Start Threshold Voltage
VSTART
Stop Threshold Voltage
VSTOP
OSCILLATOR SECTION
Initial Frequency
FOSC
Voltage Stability
FSTABLE
Temperature Stability (Note2)
FOSC
Maximum Duty Cycle
DMAX
Minimum Duty Cycle
DMIN
FEEDBACK SECTION
Feedback Source Current
IFB
Shutdown Feedback Voltage
VSD
Shutdown Delay Current
IDELAY
SYNC. SECTION
Normal Sync High Threshold Voltage
VNSH
Normal Sync Low Threshold Voltage
VNSL
Burst Sync High Threshold Voltage
VBSH
Burst Sync Low Threshold Voltage
VBSL
BURST MODE SECTION
Burst Mode Low Threshold Voltage
VBURL
Burst Mode High Threshold Voltage
VBURH
Burst Mode Enable Feedback Voltage
VBEN
Burst Mode Peak Current Limit(Note4)
IBURPK
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit (Note4)
IOVER
PROTECTION SECTION
Over Voltage Protection
Over Current Latch voltage(Note3)
Thermal Shutdown Tempature(Note2)
VOVP
VOCL
TSD
Conditions
VFB=GND
VFB=GND
-
12V VCC 23V
-25°C ≤ Τa85°C
-
-
VFB=GND
VFB 6.9V
VFB=5V
VCC=16V, Vfb=5V
VCC=16V, Vfb=5V
VCC=10.5V, Vfb=0V
VCC=10.5V, Vfb=0V
VFB=0V
VFB=0V
VCC=10.5V
VCC=10.5V , VFB=0V
KA5Q0765RT
KA5Q12656RT
KA5Q1265RF
KA5Q1565RF
VSYNC 11V
-
-
Min. Typ. Max. Unit
14 15 16 V
8 9 10 V
18 20 22 kHz
0 1 3%
0 ±5 ±10 %
92 95 98 %
- - 0%
0.7 0.9 1.1 mA
6.9 7.5 8.1 V
4 5 6 µA
4.0 4.6 5.2
2.3 2.6 2.9
3.2 3.6 4.0
1.1 1.3 1.5
V
V
V
V
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
4.40 5.00 5.60
5.28 6.00 6.72
7.04 8.00 8.96
10.12 11.50 12.88
A
11 12 13 V
0.9 1.0 1.1 V
140 160 - °C
6
Datasheet pdf - http://www.DataSheet4U.net/

6 Page









5Q1565 pdf, datenblatt
www.DataSheet.co.kr
KA5Q-SERIES
Package Dimensions
TO-220F-5L
12
Datasheet pdf - http://www.DataSheet4U.net/

12 Page





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