Jun. 07. 2008 / Rev. 0.1

ADT7110

3/8

* This specifications are subject to be changed without notice

http://www.ad-tech.co.kr

Pin Configuration

Pin No.

Name

I/O

Type

Description

1

RS

I

A

Current sense and provide voltage feed-forward.

2

GND

-

G

Ground

3

PWM

O

D

Switching output.

4

FB

I

A

Feedback voltage input

5

EN

I

D

Device enable pin

6

VIN

-

P

Power supply input

Pin Description

I : Input pin

O : Output pin

IO : Input/Output pin

P : Power pin

G : Ground pin

A : Analog pin

D : Digital pin

1

2

3

6

5

4

Functional Block Diagram

Internal

REG.

BIAS

REF

EN

GND

FB

VIN

RS

SW

Current

Sense

-

+

OSC

∑

-

+

PWM

Comparator

Driver

gm

+

-

Control

Logic

Set

Set

Error

Amplifier

-

+

Current

Limit