LTC4245
2
4245fa
Supply Voltages
12V
IN
..................................................... –0.3V to 20V
5V
IN
, 3V
IN
.............................................. –0.3V to 10V
V
EEIN
...................................................... –20V to 0.3V
INTV
CC
.................................................. –0.3V to 6.5V
Input Voltages
BD_SEL#, ON, PGI ................................. –0.3V to 12V
ADR0-3, CFG, SS, TIMER ...... –0.3V to INTV
CC
+ 0.3V
PCI_RST#, SCL, SDA ............................ –0.3V to 6.5V
Output Voltages
ALERT#, GPIO1-3, HEALTHY#,
LOCAL_PCI_RST# ................................ –0.3V to 6.5V
Analog Voltages (n is 5V, 3V)
12V
GATE
................................................. –0.3V to 25V
n
GATE
(Note 3) ............... –0.3V to 12V
IN
+ 0.3V or 14V
(Notes 1, 2)
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
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
HEALTHY#
TIMER
ON
SS
12V
IN
12V
SENSE
12V
GATE
12V
OUT
GND
BD_SEL#
CFG
SDA
SCL
ALERT#
V
EESENSE
V
EEIN
V
EEGATE
V
EEOUT
5V
IN
5V
SENSE
5V
GATE
5V
OUT
ADR3
ADR2
ADR1
ADR0
INTV
CC
GPIO1
PGI
PCI_RST#
LOCAL_PCI_RST#
PRECHARGE
3V
IN
3V
SENSE
3V
GATE
3V
OUT
T
JMAX
= 125°C, θ
JA
= 95°C/W
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
1SS
12V
IN
12V
SENSE
12V
GATE
12V
OUT
GND
BD_SEL#
CFG
SDA
SCL
ALERT#
V
EESENSE
ADR3
ADR2
ADR1
ADR0
INTV
CC
GPIO3
GPIO2
GPIO1
PGI
PCI_RST#
LOCAL_PCI_RST#
PRECHARGE
ON
TIMER
HEALTHY#
5V
IN
5V
SENSE
5V
GATE
5V
OUT
V
EEIN
V
EEGATE
V
EEOUT
3V
OUT
3V
GATE
3V
SENSE
3V
IN
23
22
21
20
9
10
11
12
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 39) PCB GND CONNECTION OPTIONAL
ORDER PART NUMBER ORDER PART NUMBER UHF PART MARKING*
LTC4245CG
LTC4245IG
LTC4245CUHF
LTC4245IUHF
4245
4245
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/
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.
V
EEGATE
– V
EEIN
(Note 4) .......................... –0.3V to 5V
12V
SENSE
........... –0.3V or 12V
IN
– 6V to 12V
IN
+ 0.3V
n
SENSE
...........................................–0.3V to n
IN
+ 0.3V
V
EESENSE
..................................... V
EEIN
– 0.3V to 0.3V
12V
OUT
– 12V
GATE
(Note 4) ...................... –5V to 0.3V
n
OUT
– n
GATE
(Note 4) .............................. –5V to 0.3V
V
EEOUT
(Note 5) ...................................... –20V to 0.3V
PRECHARGE .............................. –0.3V to 3V
IN
+ 0.3V
Operating Temperature Range
LTC4245C ................................................ 0°C to 70°C
LTC4245I ............................................. –40°C to 85°C
Storage Temperature Range
G Package .......................................... –65°C to 150°C
UHF Package ...................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
G Package ......................................................... 300°C