LTC4418

2

Rev A

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltages

V1, V2 ..................................................... –42V to 60V

VS1, VS2................................................ –0.3V to 60V

Voltage from VS1, VS2 to G1, G2...............–0.3V to 7.5V

Input Voltages

EN, SHDN .............................................. –0.3V to 60V

OV1, OV2, UV1, UV2, TMR....................... –0.3V to 6V

HYS ......................................................... –0.3V to 1V

Output Voltages

VALID1, VALID2...................................... –0.3V to 60V

CAS.......................................................... –0.3V to 6V

Input Currents

OV1, OV2, UV1, UV2, HYS, TMR,

Output Currents

VALID1, VALID2, CAS..............................–2mA/+5mA

Operating Ambient Temperature Range

LTC4418C ................................................ 0°C to 70°C

LTC4418I .............................................–40°C to 85°C

Storage Temperature Range .................. –65°C to 150°C

(Notes 1, 2)

20 19 18 17 16

6

7

8

TOP VIEW

GND

21

UF PACKAGE

20-LEAD (4mm × 4mm) PLASTIC QFN

EXPOSED PAD (PIN 21), PCB GND CONNECTION OPTIONAL

9 10

5

4

3

2

1

11

12

13

14

15

TMR

UV1

OV1

UV2

OV2

VS1

G1

VS2

G2

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4418CUF#PBF

LTC4418CUF#TRPBF

4418

20-Lead (4mm × 4mm) Plastic QFN

0°C to 70°C

LTC4418IUF#PBF

LTC4418IUF#TRPBF

4418

20-Lead (4mm × 4mm) Plastic QFN

–40°C to 85°C

Consult ADI 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/

designated sales channels with #TRMPBF suffix.

http://www.linear.com/product/LTC4418#orderinfo