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LTM4608AMPV-PBF

Low VIN, 8A DC/DC µModule Regulator with Tracking, Margining, and Frequency Synchronization

Linear Technology 

LTM4608A

ABSOLUTE MAXIMUM RATINGS

(Note 1)

VIN, SVIN....................................................... –0.3V to 6V

CLKOUT........................................................ –0.3V to 2V

PGOOD, PLLLPF, CLKIN, PHMODE, MODE.. –0.3V to VIN

ITH, ITHM, RUN, FB, TRACK,MGN, BSEL....... –0.3V to VIN

VOUT, SW....................................... –0.3V to (VIN + 0.3V)

Internal Operating Temperature Range

(Note 2)................................................... –55°C to 125°C

Storage Temperature Range................... –55°C to 125°C

PIN CONFIGURATION

AB

GND

1

TOP VIEW

CDE

VIN

2

3

CLKIN

4

PHMODE

5

MODE

PGOOD 6

BSEL 7

MGN

8

SW

FB

FG

GND

RUN

SGND

CLKOUT

PLLLPF

SVIN

ITHM

TRACK

ITH

9

10

11

GND

VOUT

LGA PACKAGE

68-LEAD (15mm × 9mm × 2.8mm)

TJMAX = 125°C, θJA = 25°C/W, θJCbottom = 7°C/W, θJCtop = 50°C/W, WEIGHT = 1.0g

ORDER INFORMATION

LEAD FREE FINISH TRAY

PART MARKING* PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4608AEV#PBF LTM4608AEV#PBF LTM4608AV

68-Lead (15mm × 9mm × 2.8mm) LGA –40°C to 125°C

LTM4608AIV#PBF LTM4608AIV#PBF LTM4608AV

68-Lead (15mm × 9mm × 2.8mm) LGA –40°C to 125°C

LTM4608AMPV#PBF LTM4608AMPV#PBF LTM4608AMPV 68-Lead (15mm × 9mm × 2.8mm) LGA –55°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

This product is only offered in trays. For more information go to: http://www.linear.com/packaging/

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full internal

operating temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 5V unless otherwise noted. See Figure 1.

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

VIN(DC)

Input DC Voltage

l 2.7

5.5

V

VOUT(DC)

Output Voltage, Total Variation CIN = 10µF × 1, COUT = 100µF Ceramic,

with Line and Load

100µF POSCAP, RFB = 6.65k, MODE = 0V

VIN = 2.7V to 5.5V, IOUT = IOUT(DC)MIN to

1.472 1.49 1.508

V

IOUT(DC)MAX (Note 3)

l 1.464 1.49 1.516

V

Input Specifications

VIN(UVLO)

Undervoltage Lockout Threshold SVIN Rising

SVIN Falling

2.05

2.2

2.35

V

1.85

2.0

2.15

V

4608afc

2

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