UPSRB02

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 7

www.unisonic.com.tw

QW-R103-079.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

-0.3~30

V

VC Voltage

-0.3~7

V

BASE Voltage

-0.3~7

V

CS Input Voltage

-0.3~7

V

FB Input Voltage

-0.3~7

V

Junction Temperature

-40~150

°C

Storage Temperature

-55~150

°C

Lead Temperature (Soldering, 10 secs)

260

°C

Note: 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

Start up Current

1

3

μA

Static Current

400

500

μA

Turn-off Threshold Voltage

6.0

6.8

7.6

V

Turn-on Threshold Voltage

11.5

12.5

13.5

V

25

27

29

V

Operating Voltage

25

V

Current Sense Input Section

LEB Time

0.5

μs

Over Current Threshold

400

450

500

mV

OCP Propagation Delay

From OCP Comparator to

Base Drive

100

nS

Maximum Source Current to CS Pin

41

45

49

μA

FB Input Section

Reference Voltage for Feedback

Threshold

1.98

2.00

2.02

V

Minimum Pause

2.0

μs

Maximum Pause

780

800

820

μs

Maximum Cable Compensation

Current

27

μA

BASE Drive Section

Base Sourcing Maximum Current

20

30

40

mA

Base Sourcing Current After Pre-off

0.5

1

1.5

mA

Base Drive Low Side On Resistor

1

Ω