LTM4615EV datasheet(2/24 Pages) LINER

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LTM4615

4615f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Switching Regulators

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

COMP1, COMP2, RUN/SS1, RUN/SS2

VFB1, VFB2,TRACK1, TRACK2 .......................–0.3V to VIN

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

Very Low Dropout Regulator

LDO_IN, PGOOD3 ........................................ –0.3V to 6V

LDO_OUT........................................................–0.3 to 4V

(EN3, FB3) to GND3 ............... –0.3V to (LDO_IN + 0.3V)

LDO_OUT Short-Circuit.................................... Indeﬁnite

Internal Operating Temperature Range

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

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

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

(Note 1)

LGA PACKAGE

144-LEAD (15mm

15mm

2.8mm)

TOP VIEW

12345678

911

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

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Switching Regulator Section: per Channel

VIN(DC)

Input DC Voltage Range

2.375

5.5

VOUT(DC)

Output DC Voltage Range

0.8

5.0

VOUT(DC)

Output Voltage

CIN = 22μF, COUT = 100μF, RFB = 5.76k,

VIN = 2.375V to 5.5V, IOUT = 0A to 4A (Note 6)

0°C ≤ TJ ≤ 125°C

1.460

1.45

1.49

1.12

1.512

VIN(UVLO)

Undervoltage Lockout Threshold

IOUT = 0A

1.6

2.3

The

l denotes the speciﬁcations which apply over the full internal

operating temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 5V, LDO_IN = 1.2V unless otherwise noted.

Per Typical Application Figure 12.

LEAD FREE FINISH

TRAY

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4615EV#PBF

LTM4615V

144-Lead (15mm

× 15mm × 2.8mm) LGA

–40°C to 125°C

LTM4615IV#PBF

LTM4615V

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)

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