LTM4614(RevA) Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LTM4614
(Rev.:RevA)

Dual 4A per Channel Low VIN DC/DC µModule Regulator

Linear Technology 

SIMPLIFIED BLOCK DIAGRAM

LTM4614

PGOOD

TRACK 4.99k

SUPPLY

RUN/SS

CSSEXT

TRACK

5.76k

COMP

RSS

1M

CSS

1000pF

INTERNAL

COMP

CONTROL, DRIVE

POWER FETS

4.7μF

6.3V

M1

L

C2

M2 470pF

VIN

R1

4.99k

VOUT

4.7μF

6.3V

GND

VIN

22μF 2.375V TO 5.5V

6.3V

VOUT

1.5V

4A

100μF

X5R

FB

SW

RFB

5.76k

4614 F01

Figure 1. Simplified LTM4614 Block Diagram of Each Switching Regulator Channel

DECOUPLING REQUIREMENTS TA = 25°C. Use Figure 1 configuration for each channel.

SYMBOL

CIN

COUT

PARAMETER

External Input Capacitor Requirement

(VIN = 2.375V to 5.5V, VOUT = 1.5V)

External Output Capacitor Requirement

(VIN = 2.375V to 5.5V, VOUT = 1.5V)

CONDITIONS

IOUT = 4A

IOUT = 4A

MIN TYP MAX UNITS

22

μF

66

100

μF

4614fa

7

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