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Feeling Technology - DUAL CHANNEL PWM CONTROL IC

Numéro de référence FP5451B
Description DUAL CHANNEL PWM CONTROL IC
Fabricant Feeling Technology 
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FP5451B fiche technique
Technology
FP5451B
DUAL CHANNEL PWM CONTROL IC
WITH SCP/DTC FUNCTION
GENERAL DESCRIPTION
The FP5451B, a 1-chip composed of dual open collector transistor pulse-width-modulation
control circuits with two error amplifiers and dead-time comparators (DTC), the FP5451B
contains a 2.5V precision voltage reference regulator, under-voltage lockout circuit (UVLO),
short circuit protection circuit (SCP), applied to offer space and low cost in many applications
such as the DC/DC converter and backlight inverter.
Using few external components, FP5451B, a high performance integrated IC, is designed for
a control circuit. The circuit diagram of the typical application example is as below.
FEATURES
Fixed Reference Voltage: 2.5V
Reference Voltage Precision: 1%
Output sink current up to 100mA
Low quiescent supply current
Wide operating voltage range: 4~40V
Variable dead-time control (DTC)
UVLO protection function
SCP protection function (Typ. 1.3V)
Oscillator Frequency: Max. 800KHz
Package: SOP16 / PDIP16 / SSOP16
SOP16
PDIP 16
TYPICAL APPLICATION
Dual Output Switch Regulator
Backlight Inverter
LCD Monitor
SSOP 16
Rev0.3 SEP. 12, 2005
P1/FP5451B

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