AT1395

Preliminary Product Information

5-Channel DC-DC Converter for DSC

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

13

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Under-voltage lockout protection

The under-voltage lockout protection is to disable the IC while the supply voltage

transient or momentary decrease, which may cause the IC to malfunction.

To

prevent such malfunctions, the under-voltage lockout protection circuit detects a

decrease in internal reference voltage with respect to the power supply voltage,

turns off the output transistor, and holding the CSCP pin at the “L” level.

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Battery Low Detect Function

The Battery low comparator open-drain output LBO sinks up to 1mA if the LBI

input is below its threshold voltage. Connect LBO to power source with a

100K

Ω~1MΩ pull-up resistor.