UB2012

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 17

www.unisonic.com.tw

QW-R121-018 .b

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

V

Input Voltage, SNS, BAT,TS, COMP

(all with respect to GND)

V

Sink Current (Note 2)

STAT pin

20

mA

Source Current (Note 2)

STAT pin

10

mA

Output Current (Note 2)

CC pin

40

mA

Power Dissipation (Ta=25°C)

300

mW

Operating Temperature

°C

Storage Temperature

°C

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.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

Supply Voltage

4.5

12

V

Operating Free-Air Temperature Range

-20

70

°C

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

2

5

mA

UB2012A

UB2012B

3

6

μA

UB2012C

UB2012D

10

μA

BAT Pin

1

μA

SNS Pin

5

μA

TS Pin

5

μA

Input Bias Current

COMP Pin

5

μA

BATTERY VOLTAGE REGULATION

UB2012A

4.050

4.10

4.150

V

UB2012B

4.150

4.20

4.250

V

UB2012C

8.100

8.20

8.300

V

Output Voltage

UB2012D

8.300

8.40

8.500

V

CURRENT REGULATION

UB2012A

UB2012B

80

100

120

mV

UB2012C

Current Regulation Threshold

current sensing

configuration

UB2012D

105

125

145

mV

CHARGE TERMINATION DETECTION

Charge Termination Current

Detect Threshold

Voltage at pin SNS, 0°C≤Ta≤50°C

-24

-14

-4

mV