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LTM8021

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ABSOLUTE MAXIMUM RATINGS

VIN, RUN/SS Voltage.................................................40V

RUN/SS Above VIN......................................................3V

ADJ Voltage ................................................................5V

BIAS Voltage ...............................................................7V

VOUT Voltage .............................................................10V

Internal Operating Temperature

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

Maximum Solder Temperature.............................. 260°C

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

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input DC Voltage

VRUN/SS = 5V, RADJ = Open

VOUT

Output DC Voltage

0 < IOUT < 500mA; RADJ Open

0 < IOUT < 500mA; RADJ = 19.1k, 0.1%

0.8

RADJ(MIN)

Minimum Allowable RADJ

Note 3

ILK

Leakage from IN to OUT

RUN/SS = VBIAS = 0V, RADJ Open

2.7

μA

IOUT

Continuous Output DC Current

5V ≤ VIN ≤ 36V, VBIAS = VOUT

500

IQVIN

Quiescent Current into VIN

RUN/SS = 0.2V, VBIAS, RADJ Open

Not Switching

0.1

1.5

2.5

μA

IQBIAS

Quiescent Current into BIAS

Not Switching

0.15

μA

ΔVOUT/VOUT

Line Regulation

5V ≤ VIN ≤ 36V, IOUT = 500mA

RADJ = Open

0.5

ΔVOUT/VOUT

Load Regulation

VIN = 24V, 0 ≤ IOUT ≤ 500mA, VBIAS = VOUT

0.35

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating temp-

erature range, otherwise speciﬁcations are at TA = 25°C, VIN = 10V, VRUN/SS = 10V, VBIAS = 3V, RADJ = 31.6k.

ORDER INFORMATION

LEAD FREE FINISH

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE (NOTE 2)

LTM8021EV#PBF

LTM8021V

35-Lead (11.25mm

× 6.25mm × 2.82mm)

–40°C to 125°C

LTM8021IV#PBF

LTM8021V

35-Lead (11.25mm

× 6.25mm × 2.82mm)

–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/

PIN CONFIGURATION

VIN

BANK 1

VOUT

BANK 2

GND

BANK 3

ADJ

BIAS

RUN/SS

LGA PACKAGE

35-LEAD (11.25mm

6.25mm

2.82mm)

TOP VIEW

TJMAX = 125°C, θJA = 24.9°C/W, WEIGHT = 0.49g

θJA DERIVED FROM 6.35cm × 6.35cm; 4-LAYER PCB

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