LTM4604A datasheet(2/20 Pages) LINER

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LTM4604A

4604af

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

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

COMP, RUN/SS, FB, TRACK..........................–0.3V to VIN

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

Internal Operating Temperature Range

(Note 2) ............................................. –40°C to 125°C

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

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN(DC)

Input DC Voltage

●

2.375

5.5

VOUT(DC)

Output Voltage, Total

Variation with Line and Load

RFB = 5.69k

VIN = 2.375V to 5.5V, IOUT = 0A to 4A (Note 3)

●

1.482

1.474

1.5

1.518

1.522

Input Speciﬁcations

VIN(UVLO)

Undervoltage Lockout

Threshold

IOUT = 0A

1.75

2.3

IINRUSH(VIN)

Peak Input Inrush Current at

Start-Up

IOUT = 0A, CIN = 10μF, COUT = 22μF ×3,

RUN/SS = 0.01μF, VOUT = 1.5V

VIN = 3.3V

VIN = 5V

0.7

IQ(VIN NOLOAD)

Input Supply Bias Current

VIN = 3.3V, No Switching

VIN = 3.3V, VOUT = 1.5V, Switching Continuous

VIN = 5V, No Switching

VIN = 5V, VOUT = 1.5V, Switching Continuous

Shutdown, RUN = 0, VIN = 5V

100

μA

The ● denotes the speciﬁcations which apply over the full internal

operating temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 5V unless otherwise noted. See Figure 15.

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TRAY

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE (NOTE 2)

LTM4604AEV#PBF

LTM4604AV

66-Lead (15mm × 9mm × 2.3mm) LGA

–40°C to 125°C

LTM4604AIV#PBF

LTM4604AV

66-Lead (15mm × 9mm × 2.3mm) LGA

–40°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.Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

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/

GND

RUN/

TRACK

TOP VIEW

LGA PACKAGE

66-PIN (15mm × 9mm × 2.3mm) 0.630mm PAD

PGOOD

COMP

VOUT

VIN

TJMAX = 125°C, θJA = 25°C/W, θJP = 7°C/W, θJC = 50°C/W, WEIGHT = 1.0g

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