Feeling Technology 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. The circuit diagram of the typical application example is as below.
| Part No. |
FP3843 |
| Datasheet |
FP3843
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| Manufacturer |
 Feeling Technology |
| Description |
OFF-LINE CURRENT MODE PWM CONTROL IC |
| Buy |
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GENERAL DESCRIPTION
Using few external components, FP3843, a high performance integrated IC, is designed for a control circuit. FEATURES
Precision Reference Voltage: 5.0V (±1%) Low start-up current: typ. 60uA High current totem pole output Low quiescent supply current Internal temperature compensated oscillator Double pulse suppression UVLO with Hysteresis function Oscillator Frequency: Max. 500KHz Package: PDIP8 / SOP8 TYPICAL APPLICATION DC-DC Converter SMPS AC-DC Adaptor PDIP8 SO
