UPSR100

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R502-946.c

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

-0.3~30

V

-0.3~7

V

FB Input (Pin 5)

-40~10

V

ESD (Machine Model)

200

V

Output Current at OUT

Internally limited

A

0.657

W

Operating Junction Temperature

150

°C

Storage Temperature

-65~150

°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.

THERMAL DATA

DESCRIPTION

SYMBOL

RATINGS

UNIT

Junction to Ambient

190

°C/W

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX

UNIT

UVLO SECTION

Turn-on Threshold Voltage

17.5

19

20.5

V

Turn-off Threshold Voltage

6.5

7.5

8.5

V

REFERENCE VOLTAGE SECTION

BIAS Pin Voltage

1.15

1.20

1.25

V

VDD Pin Voltage

4.75

5.0

5.25

V

STANDBY

CURRENT SECTION

Start-up Current

90

110

µA

Operating Current

500

700

µA

DRIVE OUTPUT SECTION

50

mA

OUT Maximum Current

30

40

mA

CURRENT SENSE SECTION

Current Sense Threshold

505

520

545

mV

Pre-Current Sense

455

480

505

mV

Leading Edge Blanking

460

ns

FEEDBACK INPUT SECTION

Feedback Pin Input Leakage Current

11.0

13.5

15.0

µA

Feedback Threshold

3.90

4.00

4.10

V

Enable Turn-on Voltage

-1.2

-1.0

-0.9

V

COMP THRESHOLD VOLTAGE SECTION

Turn-on Threshold Voltage

3.28

3.4

3.58

V

PROTECTION SECTION

Over Voltage Protection

7

8

9

V