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LTC4245_15 Datasheet, PDF (2/36 Pages) Linear Technology – Multiple Supply Hot Swap Controller with I2C Compatible Monitoring
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LTC4245
ABSOLUTE AXI U RATI GS
(Notes 1, 2)
Supply Voltages
12VIN ..................................................... –0.3V to 20V
5VIN, 3VIN .............................................. –0.3V to 10V
VEEIN ...................................................... –20V to 0.3V
INTVCC .................................................. –0.3V to 6.5V
Input Voltages
BD_SEL#, ON, PGI................................. –0.3V to 12V
ADR0-3, CFG, SS, TIMER ...... –0.3V to INTVCC + 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)
12VGATE ................................................. –0.3V to 25V
nGATE (Note 3)............... –0.3V to 12VIN + 0.3V or 14V
UW U
PACKAGE/ORDER I FOR ATIO
VEEGATE – VEEIN (Note 4) .......................... –0.3V to 5V
12VSENSE ........... –0.3V or 12VIN – 6V to 12VIN + 0.3V
nSENSE...........................................–0.3V to nIN + 0.3V
VEESENSE ..................................... VEEIN – 0.3V to 0.3V
12VOUT – 12VGATE (Note 4)...................... –5V to 0.3V
nOUT – nGATE (Note 4) .............................. –5V to 0.3V
VEEOUT (Note 5)...................................... –20V to 0.3V
PRECHARGE.............................. –0.3V to 3VIN + 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
TOP VIEW
HEALTHY# 1
TIMER 2
ON 3
SS 4
12VIN 5
12VSENSE 6
12VGATE 7
12VOUT 8
GND 9
BD_SEL# 10
CFG 11
SDA 12
SCL 13
ALERT# 14
VEESENSE 15
VEEIN 16
VEEGATE 17
VEEOUT 18
36 5VIN
35 5VSENSE
34 5VGATE
33 5VOUT
32 ADR3
31 ADR2
30 ADR1
29 ADR0
28 INTVCC
27 GPIO1
26 PGI
25 PCI_RST#
24 LOCAL_PCI_RST#
23 PRECHARGE
22 3VIN
21 3VSENSE
20 3VGATE
19 3VOUT
G PACKAGE
36-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 95°C/W
TOP VIEW
SS 1
12VIN 2
12VSENSE 3
12VGATE 4
12VOUT 5
GND 6
BD_SEL# 7
CFG 8
SDA 9
SCL 10
ALERT# 11
VEESENSE 12
38 37 36 35 34 33 32
39
13 14 15 16 17 18 19
31 ADR3
30 ADR2
29 ADR1
28 ADR0
27 INTVCC
26 GPIO3
25 GPIO2
24 GPIO1
23 PGI
22 PCI_RST#
21 LOCAL_PCI_RST#
20 PRECHARGE
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 39) PCB GND CONNECTION OPTIONAL
ORDER PART NUMBER
ORDER PART NUMBER
UHF PART MARKING*
LTC4245CG
LTC4245IG
LTC4245CUHF
4245
LTC4245IUHF
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 specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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