UC1100

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R129-007.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

-0.3~36

V

Voltage at CS, OUT to GND

-0.3~7

V

FB Input

-40~10

V

Output Current at OUT

Internally limited

A

ESD (Machine Model)

200

V

ESD (Human Body Model)

1

000

V

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 RESISTANCES CHARACTERISTICS

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

250

°C/W



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

UVLO SECTION

Start-Up Threshold

16

18.5

21

V

Minimal Operating Voltage

7.2

9

10.2

V

STANDBY

CURRENT SECTION

Start-Up Current

3

µA

Operating Current

350

400

µA

DRIVE OUTPUT SECTION

Sink

50

mA

OUT Maximum Current

Source

40

60

80

mA

CURRENT SENSE SECTION

Current Sense Threshold

455

510

545

mV

Equivalent Current Sense Voltage

Accuracy

eq

,

V

eq

,

V

∆

CS

CS

Note 1

3

%

Pre-Current Sense

365

410

455

mV

Leading Edge Blanking

500

ns

FEEDBACK INPUT SECTION

Feedback Pin Input Leakage Current

2.0

2.5

3.1

µA

Feedback Threshold

3.59

3.83

4.07

V

Note: The output current is given by

S

P

CS

CS

OUT

N

N

×

R

eq

,

V

=

I