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.
Features
˙Fixed Reference Voltage: 2.5V
˙Reference Voltage Precision: 1%
˙Output sink current up to 100mA
˙Low quiescent supply current
˙Wide operating voltage range: 3~32V(+/-16V)
˙Low input offset voltage
˙Unit gain bandwidth: 0.9MHz
˙Package: PDIP8/SOP8
