LTC4242

2

4242f

Supply Voltages

AUXINn.................................................. –0.3V to 10V

Input Voltages

ONn, AUXONn, FONn ............................... –0.3V to 7V

ENn.......................................................... –0.3V to 7V

Output Voltages

FAULTn, PGOODn, AUXFAULTn,

AUXPGOODn ........................................... –0.3V to 7V

Analog Voltages

(Note 1)

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

TOP VIEW

G PACKAGE

36-LEAD PLASTIC SSOP

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

EN1

FON1

ON1

AUXON1

AUXIN1

AUXIN2

AUXON2

ON2

FON2

FAULT1

AUXFAULT1

PGOOD1

AUXOUT1

GND

AUXOUT2

PGOOD2

AUXFAULT2

FAULT2

EN2

13 14 15 16

TOP VIEW

39

UHF PACKAGE

38-LEAD (5mm

× 7mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

24

25

26

27

28

29

30

31

8

7

6

5

4

3

2

1

AUXON1

AUXIN1

AUXIN2

3VIN2

AUXOUT1

GND

AUXOUT2

AUXPGOOD2

23

22

21

20

9

10

11

12

EXPOSED PAD (PIN 39) IS GND, PCB ELECTRICAL CONNECTION OPTIONAL

ORDER PART NUMBER

ORDER PART NUMBER

UHF PART MARKING*

LTC4242CG

LTC4242IG

LTC4242CUHF

LTC4242IUHF

4242

4242

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

*The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges.

Operating Temperature Range

LTC4242C ................................................ 0°C to 70°C

LTC4242I ............................................. –40°C to 85°C

Storage Temperature Range

SSOP ................................................. –65°C to 150°C

QFN.................................................... –65°C to 125°C

Lead Temperature (Soldering, 10 sec)

SSOP ................................................................ 300°C