LTM4608V 查看數據表（PDF） - Linear Technology

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LTM4608V

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

Linear Technology 

LTM4608

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, VSW...................................... –0.3V to (VIN + 0.3V)

Operating Temperature Range (Note 2)....–40°C to 85°C

Junction Temperature............................................ 125°C

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

For easier board layout and PCB assembly due to in-

creased spacing between land grid pads, please refer

to the LTM4608A.

PIN CONFIGURATION

TOP VIEW

ABCDE FG

GND

1

VIN CNTRL GND

2

SW

3

4

5

6

CNTRL

7

8

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

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4608EV#PBF

LTM4608V

68-Lead (15mm × 9mm × 2.8mm) LGA –40°C to 85°C

LTM4608IV#PBF

LTM4608V

68-Lead (15mm × 9mm × 2.8mm) LGA –40°C to 85°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 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

CIN = 10µF × 1, COUT = 100µF Ceramic,

100µF POSCAP, RFB = 6.65k, MODE = 0V

VIN = 2.7V to 5.5V, VOUT = 1.5V, IOUT = 0A

1.475 1.49 1.505

V

l 1.468 1.49 1.512

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

4608fc

2

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