UB280 datasheet(2/9 Pages) UTC

2 / 9 page

UB280

Preliminary

CMOS IC

M ARK I N G I N FORM AT I ON

PACKAGE

VOLTAGE CODE (Note)

MARKING

SOT-26

Note: Refer to Serial Code List

SERI AL CODE LI ST

Model

Code

Overcharge

Detection

Voltage

[VDET1](V)

Overcharge

Release

Voltage

[VREL1](V)

Over discharge

Detection

Voltage

[VDET2](V)

Over discharge

Release

Voltage

[VREL2](V)

Over Current

Detection

Voltage

[VDET3](V)

4.275

4.175

3.00

3.20

0.150

4.280

4.100

2.30

2.50

0.150

4.300

4.200

2.40

3.00

0.200

4.280

4.180

2.50

3.00

0.150

4.280

4.080

2.30

2.40

0.100

4.275

4.075

2.50

2.90

0.150

4.250

4.150

2.40

3.00

0.100

4.200

4.100

2.80

2.90

0.150

4.100

3.850

2.50

2.90

0.150

UB280

4.280

4.150

2.80

3.10

0.150

PI N CON FI GU RAT I ON

PI N DESCRI PT I ON

PIN NO.

PIN NAME

DESCRIPTION

For discharge control: FET gate connection pin

For current sense and charger detection input pin

For charge control: FET gate connection pin

For reduce delay time: test pin

VDD

Positive power input

VSS

Negative power input

UNISONIC TECHNOLOGIES CO., LTD

2 of 9

www.unisonic.com.tw

QW-R128-003.a

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