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Feeling Technology
Feeling Technology

FP5352 Datasheet Preview

FP5352 Datasheet

PHASE SHIFT DUAL PWM IC

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FP5352 pdf
Technology
FP5352
PHASE SHIFT DUAL PWM IC
WITH SCP/OVP FUNCTION
GENERAL DESCRIPTION
The FP5352, an 1-chip composed of dual channel phase shift 180 totem-pole output stage
pulse-width-modulation control circuits with two independent error amplifiers for step-down
converter application, the inverting input of amplifier connects to a 1.0V precision reference
regulator, power down under-voltage lockout circuit (UVLO), short circuit and over voltage
shutdown and auto-restart protection circuit (SCP/OVP) and dead-time control circuit (DTC),
applied to offer the space and low cost in many applications of PC peripherals .
FEATURES
Internal EA Bias Reference Voltage: 1.0V
Reference Voltage Precision: 2%
Totem-pole Output for MOS Driving
Dual PWM Output Phase Shift 180
Wide operating voltage range: 3.6~25V
Variable Dead-time Control (DTC)
Power Down Under-voltage Lock-out (UVLO)
SC/OV Protection (SCP/OVP)
Protection Shutdown and Auto-restart
Shutdown Mode (ON/OFF)
Programming Oscillation Frequency
Package: SOP16/SSOP16
SOP16
SSOP 16
TYPICAL APPLICATION
PC Peripherals
Networking products
Royer CCFL Inverter
Portable products
Website: http://www.feeling-tech.com.tw
Rev0.1 July. 20, 2006
P1/FP5352



Feeling Technology
Feeling Technology

FP5352 Datasheet Preview

FP5352 Datasheet

PHASE SHIFT DUAL PWM IC

No Preview Available !

FP5352 pdf
Technology
FUNCTIONAL BLOCK DIAGRAM
16
6
1
FP5352
9
4
3
1.0V
2
14
1.0V
13
11
1/2 Vref
Phase Shift
Oscillator
Reference
Regulator
Comparator
Timing Control logic
Shutdown Control
Logic
PWM
COMP
1.2V
5 12
15
PWM
COMP
7
10
8
MARK VIEW
PIN DESCRIPTION
NAME NO. STATUS
DESCRIPTION
1
16
RT 1
I Connect a Resistor for Oscillator
CP 2
I Shutdown re-start control timer
2
15
FB1 3
I Error Amplifier 1 Non-inverting Input
COMP1 4
O Error Amplifier 1 Feedback Output
3
14
OVP1 5
I CH1 Over-voltage Detection Input
4
13
DTC1 6
I CH1 Dead-Time Control Input
OUT1 7
O CH1 Totem-pole Output
5
12
GND 8
P IC Ground/Power Ground
6
11
PVCC 9
P IC Totem-pole Power Supply
OUT2 10
O CH2 Totem-pole Output
7
10
DTC2 11
I CH2 Dead-Time Control Input
OVP2 12
I CH2 Over-voltage Detection Input
8
9
COMP2 13
O Error Amplifier 2 Feedback Output
FB2 14
I Error Amplifier 2 Non-inverting Input
ENB 15
I ON/OFF Control Input
VCC 16
P IC Power Supply
Website: http://www.feeling-tech.com.tw
Rev0.1 July. 20, 2006
P2/FP5352


Part Number FP5352
Description PHASE SHIFT DUAL PWM IC
Maker Feeling Technology
Total Page 18 Pages
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