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FP5451A Datasheet PDF

Feeling Technology FP5451A

The FP5451A, a 1-chip composed of dual open collector transistor pulse-width-modulation control circuits with two error amplifiers and dead-time comparators (DTC), the FP5451A 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. The circuit diagram of the typical application example is as below.
Part No. FP5451A
Datasheet FP5451A Download
Manufacturer
Feeling Technology
Description DUAL CHANNEL PWM CONTROL IC
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FP5451A datasheet page 1 preview

GENERAL DESCRIPTION

Using few external components, FP5451A, a high performance integrated IC, is designed for a control circuit.

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. 500KHz Package: SOP16 / PDIP16 /SSOP16 PDIP 16 SOP16 TYPICAL APPLICATION £» £» £» Dual Output Switch Regulator Backlight Inverter LCD Monitor SSO P 16 Rev0.4 May. 11, 2005 P1/FP5451A Technology FUNCTIONAL BLOCK DIAGRAM 9 11 2 1 FP5451A 12 10 14 13 Oscillator 1/2 Vref Reference Voltage P WM COMP 16 15 R Iscp 3 S UVLO R 7 4 P WM COMP 5 6 8 MARK VIEW PIN

DESCRIPTION

NAME NO. STATUS

DESCRIPTION

Connect a Capacitor for Oscillator Connect a Resistor for Oscillator Error Amplifier 1 Non-inverting Input Error Amplifier 1 Inverting Input Error Amplifier 1...
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