LTC4242IUHF#PBF Linear Technology, LTC4242IUHF#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC4242IUHF#PBF
• Description: IC CTRLR HOTSWAP DUAL-SLOT 38QFN
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4242IUHF#PBF

• Applications: General Purpose, PCI Express
• Internal Switch(s): No
• Voltage - Supply: 2.7 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-WFQFN, Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
LTC4242
Supply Voltages
Input Voltages
Output Voltages
Analog Voltages
*The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
2
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
V
12V
3V
AUXINn .................................................. –0.3V to 10V
ONn, AUXONn, FONn ............................... –0.3V to 7V
ENn .......................................................... –0.3V to 7V
FAULTn, PGOODn, AUXFAULTn,
AUXPGOODn ........................................... –0.3V to 7V
12V
CC
INn
........................................................... –0.3V to 7V
INn
SENSEn
...................................................... –0.3V to 10V
.................................................... –0.3V to 20V
.............................................. –0.3V to 20V
3V
3V
AUXON1
AUXON2
3V
3V
AUXIN1
AUXIN2
3V
3V
SENSE1
SENSE2
ORDER PART NUMBER
GATE1
GATE2
FON1
3V
3V
FON2
W
OUT1
OUT2
ON1
ON2
EN1
V
IN1
IN2
http://www.linear.com/leadfree/
CC
T
JMAX
36-LEAD PLASTIC SSOP
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
LTC4242CG
LTC4242IG
= 125°C, θ
G PACKAGE
TOP VIEW
W W
JA
U
= 95°C/W
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
FAULT1
AUXFAULT1
PGOOD1
12V
12V
12V
12V
AUXOUT1
GND
AUXOUT2
12V
12V
12V
12V
PGOOD2
AUXFAULT2
FAULT2
EN2
IN1
SENSE1
GATE1
OUT1
OUT2
GATE2
SENSE2
IN2
W
U
U
(Note 1)
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
ORDER PART NUMBER
12V
12V
AUXOUTn, 3V
3V
3V
LTC4242C ................................................ 0°C to 70°C
LTC4242I ............................................. –40°C to 85°C
SSOP ................................................. –65°C to 150°C
QFN .................................................... –65°C to 125°C
SSOP ................................................................ 300°C
EXPOSED PAD (PIN 39) IS GND, PCB ELECTRICAL CONNECTION OPTIONAL
GATEn
OUTn
LTC4242CUHF
LTC4242IUHF
GATEn
OUTn
3V
3V
AUXON1
3V
3V
AUXIN1
AUXIN2
3V
3V
SENSE1
SENSE2
3V IN2
GATE1
3V
GATE2
(Note 3) ....... 3V
OUT1
OUT2
.................................................. –0.3V to 14V
V
(Note 3) .. 12V
IN1
................................................ –0.3V to 25V
CC
10
11
12
1
2
3
4
5
6
7
8
9
38-LEAD (5mm × 7mm) PLASTIC QFN
SENSEn
38 37 36 35 34 33 32
13 14 15 16
T
JMAX
UHF PACKAGE
= 125°C, θ
TOP VIEW
.............................. –0.3V to 10V
39
GATEn
GATEn
17 18 19
JA
= 34°C/W
UHF PART MARKING*
– 5V to 12V
– 5V to 3V
31
30
29
28
27
26
25
24
23
22
21
20
12V
12V
12V
12V
AUXOUT1
GND
AUXOUT2
12V
12V
12V
12V
AUXPGOOD2
4242
4242
IN1
SENSE1
GATE1
OUT1
OUT2
GATE2
SENSE2
IN2
GATEn
GATEn
+ 0.3V
+ 0.3V
4242f