LTC3672B-1

2

3672B1f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

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

Operating Temperature Range...................... –40 to 85°C

Storage Temperature Range....................... –65 to 125°C

(Notes 1, 2, 3)

TOP VIEW

SW

GND

ENALL

BUCKOUT

LDO2

LDO1

DC PACKAGE

8-LEAD (2mm 2mm) PLASTIC DFN

9

4

1

2

3

6

5

7

8

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3672BEDC-1#PBF

LTC3672BEDC-1#TRPBF

LCWH

8-Lead (2mm

× 2mm) Plastic DFN

–40°C to 85°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/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

●

2.9

5.5

V

1.7

2

V

Undervoltage Lockout Hysteresis

12

100

mV

All Outputs Enabled, No Load

Shutdown

(Note 4)

260

400

1

μA

μA

All Outputs Enabled, No Load

Shutdown

2.3

5

1

μA

μA

ENALL Pin Logic Low Voltage

●

0.4

V

ENALL Pin Logic High Voltage

●

1.2

V

ENALL Pin Pulldown Resistance

5.5

M

Ω

Synchronous Buck Regulator

Oscillator Frequency

1.8

2.25

2.7

MHz

Regulated Output Voltage

●

1.755

1.8

1.845

V

PMOS Switch Maximum Peak Current (Note 5)

550

800

1100

mA

Available Output Current

400

mA

PMOS Switch On-Resistance

0.6

Ω

NMOS Switch On-Resistance

0.7

Ω