SD7933

2

ABSOLUTE MAXIMUM RATINGS

VDD Voltage

-0.3V to VDD Clamp

DRV Pin Voltage

-0.3V to 20V

COMP/CS/ DSEN Pins Voltage

-0.3V to 5V

Power Dissipation ( TA=25°C, SOT23-6)

0.6W

Lead Temperature (soldering, 10 sec.)

260°C

Storage Temperat ure

-55°C to 150°C

Recommended operating conditions

Supply voltage

7.2V to 19V

Operating Temperature

-10°C to 105°C

Thermal resistance①

170°C/W

130°C/W

Ordering information

7933

□□□

Week code

Year code

Optional Spec code

Device

Package

Type

Quantity

per reel

Device

mark

SOT23-6

3000

7933

PIN CONFIGURATIONS

PIN DESCRIPTION

Name

Pin No.

Description

COMP

1

Internal EA

’s output. Connect a capacitor to ground for frequency compensation.

GND

2

Ground.

CS

3

Current Sense Pin.

DRV

4

Gate drive output for primary MOSFE T.

VDD

5

Power Supply.

DSEN

6

The voltage feedback from auxiliary winding. Connected to a resistor divider from

auxiliary winding to sense output voltage.

SD7933

SD7933

SD7933

SD7933

SD7933

SD7933

www.shouding.net

Rev. 1.00

SD7933

Single Stage, High PFC, AC-DC LED Driver

Shouding