BA3170 View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

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BA3170

Trickle-charge IC for two-cell, lithium-ion batteries

ROHM Semiconductor 

Regulator ICs

BA3170

FOperation notes

(1) Do not use values other than CT = 0.022µF for the timing capacitor, and C1 = 10µF for the output capacitor.

(2) For the output capacitor C1, use a tantalum capacitor with low capacitance variation with temperature, and a static

capacitance tolerance of ±10% or less.

(3) For the timing capacitor CT, use a film capacitor with low capacitance variation with temperature, a static capaci-

tance tolerance of ±10% or less, and a temperature variation rate of ±2% or less.

FMeasurement circuit

Fig.1

398

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