UB261

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 10

www.unisonic.com.tw

QW-R502-A27.a



PARAMETER

SYMBOL

RATINGS

UNIT

V

CO Output Pin Voltage

V

DO Output Pin Voltage

V

V

Ambient Operating Temperature

-40 ~ +85

°С

Storage Temperature

-55 ~ +125

°С

Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CURRENT CONSOMPTION

Supply Current

3.0

8.0

μA

Power-Down Current

0.2

0.5

μA

OPERATING VOLTAGE

1.5

8

V

1.5

10

V

DETECTION VOLTAGE

Overcharge Detection Voltage

V

Overcharge Release Voltage

V

Overdischarge Detection Voltage

V

Overdischarge Release Voltage

V

Over Current 1 Detection Voltage

V

Over Current 2 Detection Voltage

0.35

0.50

0.65

V

Load Short Circuit Detection Voltage

0.5

1.2

1.7

V

Charger Detection Voltage

-1.6

-0.7

-0.2

V

0V BATTERY CHARGE VOLTAGE

0V Battery Charge Inhibition Battery

Voltage

0.9

1.8

V

INTERNAL RESISTANCE

Resistance between VM-pin and

100

300

900

kΩ

Resistance between VM-pin and

10

30

70

kΩ

OUTPUT RESISTANCE

CO-pin Resistance “H”

5

10

kΩ

CO-pin Resistance “L”

5

10

kΩ

DO-pin Resistance “H”

5

10

kΩ

DO-pin Resistance “L”

5

10

kΩ

DELAY TIME

Overcharge Detection Delay Time

0.9

1.2

1.5

s

Overdischarge Detection Delay Time

110

150

190

ms

Over Current 1 Detection Delay Time

6

9

12

ms

Over Current 2 Detection Delay Time

1

2.2

3.2

ms

Short Circuit Detection Delay Time

120

300

380

µs