PAM2306VIN2YPAG Ver la hoja de datos (PDF) - Power Analog Micoelectronics

Número de pieza

componentes Descripción

Fabricante

PAM2306VIN2YPAG

Dual High-Efficiency PWM Step-Down DC-DC Coverter

Power Analog Micoelectronics 

PAM2306

Dual High-Efficiency PWM Step-Down DC-DC Coverter

Typical Application

VIN2

CIN2

4.7μF

L2

PAM2306

1 VIN2

EN2 12

2 LX2

NC2 11

3 GND

FB2 10

4 FB1

GND 9

5 NC1

8

LX1

6 EN1

VIN1 7

VOUT2

COUT2

10μF

CIN1

4.7μF

VIN1

VOUT1

L1

COUT1

10μF

VOUTx = 1.2V,1.5V,1.8V,2.5V, 2.8V or 3.3V

Figure 2. Fixed Voltage Regulator

Block Diagram

1.5M

OSC

SLOPE

COMP

OSC

FBx

R1

R2

ENx

FREQ

SHIFT

-

EA

+

COMP

VIN

0.6VREF

SHUTDOWN

PWM

COMP

+

IAMP

-

VINx

SQ

RQ

SWITCHING

LOGIC

RS LATCH

AND

BLANKING

CIRCUIT

ANTI-

SHOOT-

THRU

+

IRCMP

-

MAIN

SWITCH(PCH)

LXx

SYNCHRONOUS

RECTIFIER(NCH)

GND

Power Analog Microelectronics,Inc

www.poweranalog.com

2

07/2008 Rev 1.0

Share Link: