LTM8027EV datasheet(2/20 Pages) LINER

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LTM8027

8027f

ABSOLUTE MAXIMUM RATINGS

VIN Voltage................................................................65V

BIAS1, BIAS2 ............................................................15V

SYNC, ADJ, RT, RUN, SS Voltages..............................5V

Current Into RUN Pin (Note 2) .................................1mA

VOUT, AUX .................................................................25V

Current Out of AUX ............................................. 200mA

Internal Operating Temperature

(Note 3).................................................. –40°C to 125°C

Maximum Soldering Temperature......................... 245°C

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

(Note 1)

ORDER INFORMATION

LEAD FREE FINISH

TRAY

PART MARKING

PACKAGE DESCRIPTION

INTERNAL TEMPERATURE RANGE

LTM8027EV#PBF

LTM8027V

113-Lead (15mm

× 15mm × 4.32mm) LGA –40°C to 125°C

LTM8027IV#PBF

LTM8027V

113-Lead (15mm

× 15mm × 4.32mm) LGA –40°C to 125°C

LTM8027MPV#PBF

LTM8027V

113-Lead (15mm

× 15mm × 4.32mm) LGA –55°C to 125°C

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

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://linear.com/packaging/

PIN CONFIGURATION

LGA PACKAGE

113-LEAD (15mm

15mm

4.32mm)

TOP VIEW

B C D E

FG HJ

SYNC

ADJ

AUX

VOUT

BANK 1

GND

BANK 2

VIN

BANK 3

BIAS1

RUN

BIAS2

TJMAX = 125°C, θJA = 12.2°C/W, θJC(TOP) = 9.3°C/W,

θJC(BOTTOM) = 3.6°C/W, θJBOARD = 7.54°C/W

θ VALUES DETERMINED PER JESD 51-9

WEIGHT = 2.6 GRAMS

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input DC Voltage

(Note 5)

4.5

VOUT

Maximum Output DC Voltage

0 < IOUT ≤ 4A, VIN = 48V

IOUT

Output DC Current

VIN ≤ 60V, VOUT = 12V, (Note 4)

VIN(START)

Minimum Start Voltage

7.5

ΔVOUT/ΔVIN

Line Regulation

VOUT = 12V, 15V< VIN < 60V, ILOAD = 4A

0.2

ΔVOUT/ΔILOAD

Load Regulation

VOUT = 12V, VIN = 24V, 0A < ILOAD ≤ 4A

0.2

VUVLO(RISING)

Input Undervoltage Lockout Threshold

(Rising)

(Note 5)

4.6

VUVLO(FALLING)

Input Undervoltage Lockout Threshold

(Falling)

(Note 5)

3.7

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 20V, BIAS1 = BIAS2 = 10V, RUN = 2V, unless otherwise noted.

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