FP3843

The FP3843, a 1-chip composed of high-current totem pole output circuits with a PWM latch, current sense comparator and an error amplifier, the FP3843 contains a 5V precision voltage reference regulator, under-voltage lockout circuit (UVLO), oscillator circuit, applied to offer space and low cost in many applications such as the DC/DC converter and off-line switching power supply. Using few external components, FP3843, a high performance integrated IC, is designed for a control circuit. The circuit diagram of the typical application example is as below.

(1) Brigen format which includes die layout database & annotated circuit extraction and hieratical circuit analysis schematics,

(2) PDF format of circuit analysis

(3) EDIF format data (only use for reference)

Partial Analog Circuit Analysis

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