SC6105

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.4

2008.04.17

Http://www.silan.com.cn

Page 4 of 9

(Continued)

Characteristics

Symbol

Test condition

Min.

Typ.

Max.

Unit

Reference Voltage

V2.5

-

2.45

2.5

2.55

V

Input Bias Current

-

-

-

0.1

A

Open-Loop Voltage Gain

-

50

60

-

dB

Unity Gain Bandwidth

BW

-

0.3

1

-

MHz

Error

Amplifier

Power Supply Rejection

Ratio

PSRR

50

-

-

dB

Oscillator

PWM Frequency

Ω

60

65

70

kHz

Charge Current

Ω

4.0

5.7

7.0

A

Soft-Start

Duty Cycle

DC

-

85

-

93

%

Output Voltage Low

Io = 5mA

-

-

0.5

V

Output Voltage High

V12 = 12V

4

-

-

V

PWM

Output

Output Impedance of

RO

-

1.5

-

3.3

k

Ω

PIN CONFIGURATIONS

PIN DESCRIPTIONS

Pin No.

Pin Name

Description

1

PSON

Remote On/Off logic input for CPU or controller. Turn on/off the PWM Output.

2

V33

3.3V over-voltage/under-voltage control sense input.

3

V5

5V over-voltage/under-voltage control sense input.

4

OPP

Over-power sense input.

5

UVAC

AC fail detection.

6

NVP

The protection input for negative output.

7

V12

12V over-voltage/under-voltage control sense input.

(To be continued)