CM3708AGIS Просмотр технического описания (PDF) - Champion Microelectronic

Номер в каталоге

Компоненты Описание

производитель

CM3708AGIS

3A LOW-NOISE PWM STEP-DOWN REGULATOR

Champion Microelectronic 

CM3708A

3A LOW-NOISE PWM STEP-DOWN REGULATOR

PIN DESCRIPTION

Pin No.

Symbol

1,16 VIN1, VIN2

2,15 PVIN1, PVIN2

3,14 LX1, LX2

4,13

5,9,12

8

6

PGND1, PGND2

AGND

AGSEN

SD

7

VREF

10 NC

11 VFB

Description

Min.

Voltage supply for internal circuits

2

Voltage supply for output power transistors

2

Inductor connection to the Drains of the internal

power MOSFETs

Ground for output power transistors

Ground for internal reference voltage divider

Ground for remote sensing

Shutdown active high. CMOS input level

0.75 x

VIN

VOUT Set Voltage

0

No Connection

Feedback node for the VOUT

Operating Rating

Typ.

Max.

Unit

2.5

5.5

V

2.5

5.5

V

5

V

VIN +

V

0.3V

VIN

V

5

V

BLOCK DIAGRAM

NC

VIN1

VIN2

SD

10

1

16

6

PVIN1 PVIN2

2

15

AGND

5

AGND

9

AGND 12

VREF

7

Oscillator Ramp Generator

PWM Controller

Error Amp

Thermal

Protection

MOS

3 LX1

14 LX2

8

AGSEN

11

VFB

4

PGND1

13

PGND2

2007/02/13 Rev1.3

Champion Microelectronic Corporation

Page 2

Share Link: