AS1003 converter equivalent, pwm buck converter.
Precision feedback reference voltage: 0.5V (2%) Wide supply voltage operating range: 3.6 to 20V Low current consumption: 3.0mA Internal fixed oscillator frequency: Typ. 3.
field. The AS1003 includes a high current P-MOSFET, high precision reference (0.5V) for comparing output voltage with fe.
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