LTM4603 datasheet(2/24 Pages) LINER

Part #	LTM4603

Description	6A DC/DC 關Module with PLL, Output Tracking and Margining

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTM4603/LTM4603-1

2

4603f

INTVCC, DRVCC, VOUT_LCL, VOUT (VOUT ≤ 3.3V

with Remote Sense Amp) ............................ –0.3V to 6V

PLLIN, TRACK/SS, MPGM, MARG0, MARG1,

PGOOD, fSET .............................. –0.3V to INTVCC + 0.3V

RUN ............................................................. –0.3V to 5V

VFB, COMP ................................................ –0.3V to 2.7V

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

VOSNS

+, VOSNS–..................................0V to INTVCC – 1V

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

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

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

(Note 1)

The

● 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.

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN(DC)

Input DC Voltage

●

4.5

20

V

VOUT(DC)

Output Voltage

CIN = 10µF ×2, COUT = 2×, 100µF/X5R/

Ceramic

VIN = 5V, VOUT = 1.5V, IOUT = 0A

VIN = 12V, VOUT = 1.5V, IOUT = 0A

●

1.478

1.5

1.522

V

Input Speciﬁcations

VIN(UVLO)

Undervoltage Lockout Threshold

IOUT = 0A

3.2

4

V

IINRUSH(VIN)

Input Inrush Current at Startup

IOUT = 0A. VOUT = 1.5V

VIN = 5V

VIN = 12V

0.6

0.7

A

IQ(VIN,NOLOAD)

Input Supply Bias Current

VIN = 12V, VOUT = 1.5V, No Switching

VIN = 12V, VOUT = 1.5V, Switching

Continuous

VIN = 5V, VOUT = 1.5V, No Switching

VIN = 5V, VOUT = 1.5V, Switching

Continuous

Shutdown, RUN = 0, VIN = 12V

3.8

25

2.5

43

22

mA

µA

MARG1

DRVCC

VFB

PGOOD

SGND

VOSNS

+/NC2*

DIFFVOUT/NC3*

VOUT_LCL

VOSNS

–/NC1*

VIN

PGND

VOUT

fSET

MARG0

LGA PACKAGE

118-LEAD (15mm

´ 15mm ´ 2.8mm)

TOP VIEW

TJMAX = 125°C, θJA = 15°C/W, θJC = 6°C/W,

θJA DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS, WEIGHT = 1.7g

*LTM4603-1 Only

ORDER PART NUMBER

LGA PART MARKING*

LTM4603EV#PBF

LTM4603IV#PBF

LTM4603EV-1#PBF

LTM4603IV-1#PBF

LTM4603V

LTM4603V-1

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

*The temperature grade is identiﬁed by a label on the shipping container.

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