LTM4614IV datasheet(2/20 Pages) LINER

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LTM4614

4614fa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VIN1, VIN2, PGOOD1, PGOOD2 .....................–0.3V to 6V

COMP1, COMP2, RUN/SS1, RUN/SS2

FB1, FB2,TRACK1, TRACK2 ........................ –0.3V to VIN

SW1, SW2, VOUT1, VOUT2.............. –0.3V to (VIN + 0.3V)

Internal Operating Temperature Range

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

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

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

Body Temperature, Solder Reﬂow (Note 3)........... 245°C

(Note 1)

LGA PACKAGE

144-LEAD (15mm

15mm

2.8mm)

TOP VIEW

12345678

911

TJMAX = 125°C, θJC-BOT = 2-3°C/W, θJA = 15°C/W, θJC-TOP = 25°C/W, Weight = 1.61g

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN(DC)

Input DC Voltage

2.375

5.5

VOUT(DC)

Output Voltage

CIN = 22μF, COUT = 100μF, RFB = 5.76k

VIN = 2.375V to 5.5V, IOUT = 0A to 4A (Note 5)

0°C ≤ TJ ≤ 125°C

1.460

1.45

1.49

1.508

1.512

VIN(UVLO)

Undervoltage Lockout Threshold

IOUT = 0A

1.6

2.3

IINRUSH(VIN)

Input Inrush Current at Start-Up

IOUT = 0A, CIN = 22μF, COUT = 100μF, VOUT = 1.5V

VIN = 5.5V

0.35

IQ(VIN)

Input Supply Bias Current

VIN = 2.375V, VOUT = 1.5V, Switching Continuous

VIN = 5.5V, VOUT = 1.5V, Switching Continuous

Shutdown, RUN = 0, VIN = 5V

712

μA

IS(VIN)

Input Supply Current

VIN = 2.375V, VOUT = 1.5V, IOUT = 4A

VIN = 5.5V, VOUT = 1.5V, IOUT = 4A

3.15

1.35

The

l denotes the speciﬁcations which apply over the full internal

operating temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 5V unless otherwise noted. Refer to Figure 1.

Speciﬁed as each channel (Note 6).

LEAD FREE FINISH

TRAY

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4614EV#PBF

LTM4614V

144-Lead (15mm

× 15mm × 2.8mm) LGA

–40°C to 125°C

LTM4614IV#PBF

LTM4614V

144-Lead (15mm

× 15mm × 2.8mm) 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.

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/

ORDER INFORMATION

(See Pin Functions, Pin Conﬁguration Table)

LTM4614IV Datasheet(PDF) 2 Page - Linear Technology

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