ST619LB SERIES DC-DC CONVERTER REGULATED 5V CHARGE PUMP s s s s s s s REGULATED 5V ±4% CHARGE PUMP OUTPUT CURRENT GUARANTEED OVER TEMPERATURE : 20mA (VI ≥ 2V ), 30mA (VI ≥ 3V ) NO INDUCTORS; VERY LOW EMI NOISE USES SMALL, INEXPENSIVE CAPACITORS LOGIC CONTROLLED 1µA MAX SHUT-DOWN SUPPLY CURRENT SHUT DOWN DISCONNECTS LOAD FROM INPUT AVAILABLE IN SO-8 AND DIP-8 PACKAGES DIP-8 SO-8 DESCRIPTION The ST619LB is a step-up charge pump DC-DC converter which delivers a regulated 5V ±4% output at 30mA and over temperature.
The input voltage range is 2V to 3.
6V (two battery cells).
It requires only four external capacitor: two 0.
22µF flying capacitors, and 10µF capacitors at the input and output.
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