LTM4605 查看數據表（PDF） - Linear Technology

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LTM4605

High Efficiency Buck-Boost DC/DC uModule

Linear Technology 

LTM4605

ABSOLUTE MAXIMUM RATINGS

VIN ............................................................. –0.3V to 20V

VOUT............................................................. 0.8V to 16V

INTVCC, EXTVCC, RUN, SS, PGOOD.............. –0.3V to 7V

SW1, SW2 .................................................... –5V to 20V

VFB, COMP ................................................ –0.3V to 2.4V

FCB, STBYMD ....................................... –0.3V to INTVCC

PLLIN........................................................ –0.3V to 5.5V

PLLFLTR.................................................... –0.3V to 2.7V

Operating Temperature Range

(Note 2) ...............................................–40°C to 85°C

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

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

PIN CONFIGURATION

(See Table 6. Pin Assignment)

TOP VIEW

BANK 2

M

L

BANK 4

K

BANK 1

J

H

G

BANK 5

F

BANK 3

E

D

C

BANK 6

B

A

1 2 3 4 5 6 7 8 9 10 11 12

LGA PACKAGE

141-LEAD (15mm s 15mm s 2.8mm)

TJMAX = 125°C, θJP = 4°C/W

WEIGHT = 1.5g

ORDER INFORMATION

LEAD FREE FINISH

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4605EV#PBF

LTM4605V

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

LTM4605IV#PBF

LTM4605V

141-Lead (15mm × 15mm × 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 –40°C to 85°C

temperature range, otherwise specifications are at TA = 25°C, VIN = 12V. Per typical application (front page) configuration.

SYMBOL

PARAMETER

CONDITIONS

MIN TYP

MAX UNITS

Input Specifications

VIN(DC)

Input DC Voltage

l 4.5

20

V

VIN(UVLO)

Undervoltage Lockout Threshold VIN Falling

l

3.4

4

V

IQ(VIN)

Input Supply Bias Current

Normal

Standby

Shutdown Supply Current

VRUN = 0V, VSTBYMD > 2V

VRUN = 0V, VSTBYMD = Open

2.8

mA

1.6

mA

35

60

μA

4605fa

2

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