LTC4245CUHF#PBF Linear Technology, LTC4245CUHF#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC4245CUHF#PBF
• Description: IC CNTRLR HOT SWAP 38-QFN
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4245CUHF#PBF

• Applications: CompactPCI™
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V, 12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 38-WFQFN, Exposed Pad
• Family Name: LTC4245
• Package Type: QFN EP
• Operating Supply Voltage (min): 2.25/4.25/10.2/-10.2V
• Operating Supply Voltage (max): 0/10/20/-20V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Product Depth (mm): 5mm
• Product Length (mm): 7mm
• Mounting: Surface Mount
• Pin Count: 38
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PACKAGE/ORDER I FOR ATIO
ABSOLUTE AXI U RATI GS
LTC4245
(Notes 1, 2)
Supply Voltages
Input Voltages
Output Voltages
Analog Voltages (n is 5V, 3V)
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
2
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
12V
5V
V
INTV
BD_SEL#, ON, PGI ................................. –0.3V to 12V
ADR0-3, CFG, SS, TIMER ...... –0.3V to INTV
PCI_RST#, SCL, SDA ............................ –0.3V to 6.5V
ALERT#, GPIO1-3, HEALTHY#,
LOCAL_PCI_RST# ................................ –0.3V to 6.5V
12V
n
GATE
EEIN
IN
IN
GATE
, 3V
CC
...................................................... –20V to 0.3V
(Note 3) ............... –0.3V to 12V
..................................................... –0.3V to 20V
.................................................. –0.3V to 6.5V
IN
................................................. –0.3V to 25V
HEALTHY#
ORDER PART NUMBER
12V
BD_SEL#
V
12V
V
ALERT#
EESENSE
12V
.............................................. –0.3V to 10V
V
EEGATE
TIMER
12V
SENSE
EEOUT
V
GATE
GND
SDA
CFG
SCL
EEIN
T
OUT
ON
SS
JMAX
IN
W
LTC4245CG
LTC4245IG
36-LEAD PLASTIC SSOP
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
= 125°C, θ
http://www.linear.com/leadfree/
G PACKAGE
TOP VIEW
JA
= 95°C/W
W W
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
5V
5V
5V
5V
ADR3
ADR2
ADR1
ADR0
INTV
GPIO1
PGI
PCI_RST#
LOCAL_PCI_RST#
PRECHARGE
3V
3V
3V
3V
U
IN
SENSE
GATE
OUT
IN
SENSE
GATE
OUT
CC
IN
W
+ 0.3V or 14V
U
CC
+ 0.3V
U
ORDER PART NUMBER
LTC4245CUHF
LTC4245IUHF
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
V
12V
n
V
12V
n
V
PRECHARGE .............................. –0.3V to 3V
LTC4245C ................................................ 0°C to 70°C
LTC4245I ............................................. –40°C to 85°C
G Package .......................................... –65°C to 150°C
UHF Package ...................................... –65°C to 125°C
G Package ......................................................... 300°C
SENSE
OUT
EEGATE
EESENSE
EEOUT
EXPOSED PAD (PIN 39) PCB GND CONNECTION OPTIONAL
SENSE
OUT
12V
BD_SEL#
V
12V
– n
ALERT#
EESENSE
12V
12V
SENSE
...........................................–0.3V to n
GATE
GND
SDA
(Note 5) ...................................... –20V to 0.3V
CFG
SCL
OUT
– 12V
– V
SS
GATE
IN
..................................... V
........... –0.3V or 12V
10
11
12
T
1
2
3
4
5
6
7
8
9
JMAX
38-LEAD (5mm × 7mm) PLASTIC QFN
EEIN
(Note 4) .............................. –5V to 0.3V
38 37 36 35 34 33 32
13 14 15 16
GATE
= 125°C, θ
(Note 4) .......................... –0.3V to 5V
UHF PACKAGE
TOP VIEW
(Note 4) ...................... –5V to 0.3V
39
JA
= 34°C/W
17 18 19
UHF PART MARKING*
31
30
29
28
27
26
25
24
23
22
21
20
IN
ADR3
ADR2
ADR1
ADR0
INTV
GPIO3
GPIO2
GPIO1
PGI
PCI_RST#
LOCAL_PCI_RST#
PRECHARGE
– 6V to 12V
CC
EEIN
4245
4245
– 0.3V to 0.3V
IN
IN
IN
+ 0.3V
+ 0.3V
+ 0.3V
4245fa