Product Specification

Low Cost Green-Mode PWM Controller for Flyback Converters

SG5701

© System General Corp.

- 4 -

www.sg.com.tw

Version 1.0(IAO33.0025.B1)

Mar. 28, 2006

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

DC Supply Voltage *

30

V

Input Voltage to FB Pin

-0.3 to 6 V

V

Input Voltage to Sense Pin

-0.3 to 6V

V

Operating Junction Temperature

150

℃

SOT-26

247

DIP-8

478

mW

SOT-26

263

Thermal Resistance (Junction to Air)**

DIP-8

136

°C/W

Storage Temperature Range

-55 to +150

℃

Pb free

260(+5/-0)

Peak Reflow Temperature

Pb

230(+5/-0)

°C

ESD Capability, HBM Model

3.0

kV

* All voltage values, except differential voltages, are given with respect to the network ground terminal.

**Thermal JA test board size: SOT 18×12×1.6mm/FR4; DIP 40×35×1.6mm/FR4

Stress beyond those listed under “ absolute maximum ratings” may cause permanent damage to the device.

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

DC Supply Voltage

≦

24

V

Operating Ambient Temperature

-30 to +105

℃

VDD Section

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Continuously Operation Voltage

24

V

Start Threshold Voltage

15.3

16.3

17.3

V

Min. Operating Voltage

10.9

11.7

12.5

V

Startup Current

10

30

uA

Operating Supply Current

2

5

mA

VDD Clamp Voltage

24.5

25

26.5

V

Feedback Input Section

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Zero Duty Cycle Input Current

1.3

2.0

mA

Open Loop Voltage

4.2

V