UCL2300

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R125-034.a



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Startup Voltage

16

17

18

V

2

V

ST Startup Current

20

35

μA

ST Operating Current

35

60

μA

Supply Voltage Section

10

11

12

V

5.2

5.8

6.5

V

7

7.5

8

V

40

70

μA

320

600

μA

300

μA

21

V

FB Feedback

FB Falling Edge Threshold Voltage

FB Falling

0.4

V

FB Hysteresis Voltage

FB Rising

0.6

V

FB Over Voltage Protection Threshold

5.5

V

Minimum Off Time

4.0

μs

Maximum Off Time

90

μs

Current Sense Section

Leading Edge Blanking Time for Current Sense

350

ns

Switch off Delay Time

180

ns

Loop Compensation

Internal Reference Voltage

0.294

0.300

0.306

V

COMP Low Clamp Voltage

1.5

V

COMP Linear Operating Voltage Range

1.5

3.5

V

COMP Protection Threshold

4.5

V

Linear Voltage Sampling

LN Linear Working Range

0

2.5

V

Driver Stage

Internal Tube Driven MOS Resistance

1200

mΩ

Notes: 1. Production testing of the chip is performed at 25°C.

2. The maximum and minimum parameters specified are guaranteed by test, the typical value are guaranteed

by design, characterization and statistical analysis