RT7306

Copyright © 2015 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS7306-00

July

2015

2

Ordering Information

RT7306

Package Type

S : SOP-8

Lead Plating System

G : Green (Halogen Free and Pb Free)

Note :

Richtek products are :



RoHS compliant and compatible with the current

requirements of IPC/JEDEC J-STD-020.



Suitable for use in SnPb or Pb-free soldering processes.

Marking Information

RT7306

GSYMDNN

RT7306GS : Product Number

YMDNN : Date Code

Pin Configurations

(TOP VIEW)

HV

GND

COMP

DIM

VDD

GD

ZCD

CS

2

3

4

5

6

7

8

SOP-8

Functional Pin Description

Pin No.

Pin Name

Pin Function

1

HV

High Voltage Input for Startup.

2

GND

Ground of the Controller.

3

COMP

Compensation Node. Output of the internal trans-conductance amplifier.

4

DIM

Analog Dimming Signal Input. LED driving current can be adjusted by an analog

voltage.

5

ZCD

Zero Current Detection Input. This pin is used to sense the voltage at auxiliary winding

of the transformer.

6

CS

Current Sense Input. Connect this pin to the current sense resistor.

7

GD

Gate Driver Output for External Power MOSFET.

8

VDD