The FP103, a 1-chip composed of one independent op-amp (OPA2) and another op-amp (OPA1) with a 2.5V precision voltage reference on non-inverting input, applied to offer space and low cost in many applications such as the secondary feedback control of power supply, DC/DC converter or adaptor.
Using few external components, FP103, a high performance integrated IC, is designed for a feedback circuit. The circuit diagram of the typical application example is as below.
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