UPSL103

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R125-035.a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

30

V

DIM, COMP, CS

-0.3~7

V

OUT

15

V

Power Dissipation (at Ambient Temperature =85°C)

250

mW

ESD Voltage Protection, Human Body Model

2

KV

ESD Voltage Protection, Machine Model

200

V

Junction Temperature

150

°C

Operating Ambient Temperature

-20~85

°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.



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Startup Current

4

15

μA

Operating Current

with 1nF load on OUT pin,

2

3

mA

Operating Current

with 1nF load on OUT pin,

Protection Tripped (OCP, OVP,

SCP, OTP)

1.2

1.5

mA

UVLO(off)

7

8

9

V

UVLO(on)

14

15

16

V

OVP Level on VCC Pin

26.5

28

29.5

V

OVP De-Bounce Time

40

μs

Feedback Reference Voltage

0.196

0.200

0.204

V

Tran-Conductance

120

μS

Output Sink Current

12

μA

Output Source Current

12

μA

Input Over Voltage Protection

0.7

0.80

0.9

V

Open Loop Voltage, CS Pin Open

5

V

Leading-Edge Blanking Time

410

nS

Delay to Output

100

220

nS

Switching Frequency

42

45

48

KHz

Maximum Duty

90

%

Frequency Jitter Range

+/-4

%

Temp. Stability

-40°C~ 125°C

6

%

Voltage Stability

1

%

Rising Time

Load Capacitance=1000pF

160

320

nS

Falling Time

Load Capacitance=1000pF

80

160

nS

VGATE-Clamp

13.5

15

V

Saturation Threshold Voltage

3.0

V

Linear Dimming Range

0.3

3.0

V

LED Current off Threshold Voltage

0.5

V

Current Source

270

300

330

μA

OTP Trip Point

150

°C

OTP Release Point

130

°C

OTP Threshold Level

△

T

20

°C

OTP De-Bounce Time

80

μS