LTC4245IUHF Linear Technology, LTC4245IUHF Datasheet - Page 36

• Manufacturer Part Number: LTC4245IUHF
• Description: IC,Power Control/Management,CMOS,LLCC,38PIN,PLASTIC
• Manufacturer: Linear Technology

Specifications of LTC4245IUHF

• 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): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 5mm
• Product Length (mm): 7mm
• Mounting: Surface Mount
• Pin Count: 38
• Lead Free Status / Rohs Status: Not Compliant

RELATED PARTS
TYPICAL APPLICATIO
LTC4245
PART NUMBER
LTC1421
LT
LTC1642A
LTC1643AL/LTC1643AL-1,
LTC1643AH
LTC1645
LTC1646
LTC1647
LTC4211
LTC4240
LTC4241
LTC4244/LTC4244-1
LTC4252A
LTC4260
LTC4302-1/LTC4302-2
36
®
1641-1/LT1641-2
BUS CONTROLLER
MANAGEMENT
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
CONTROLLER
PCI EXPRESS
HOT-PLUG
SYSTEM
PWRFLT
PWRGD
PWRGD
PWREN
PWREN
V
3.3V
3.3V
12V
AUX
V
V
IN
IN
●
DESCRIPTION
Hot Swap Controller
Positive High Voltage Hot Swap Controllers
Fault Protected Hot Swap Controller
PCI Bus Hot Swap Controllers
Dual-Channel Hot Swap Controller/Power Sequencer
CompactPCI Dual Hot Swap Controller
Dual Hot Swap Controller
Hot Swap Controller with Multifunction Current Control
CompactPCI Hot Swap Controller with I
PCI-Bus with 3.3V Auxiliary Hot Swap Controller
Rugged CompactPCI Bus Hot Swap Controllers
–48V Hot Swap Controller in MSOP
Positive High Voltage Hot Swap Controller with I
Addressable 2-Wire Bus Buffers
FAX: [phone]
12V
BD_SEL#
ON
HEALTHY#
LOCAL_PCI_RESET#
ALERT#
SDA
SCL
10nF
IN
8mΩ
SS
12V
TIMER
SENSE
U
2.2µF
ADR0
Si7880DP
●
12V
www.linear.com
PCI Express Backplane Resident Application
GATE
10Ω
ADR1
N/C
12V
ADR2
OUT
3V
ADR3
IN
7mΩ
LTC4245
2
3V
C I/O
PGI
SENSE
PCI_RESET#
Si7880DP
3V
2
GATE
C, ADC I
10Ω
INTV
3V
OUT
0.1µF
CC
COMMENTS
Dual Supplies from 3V to 12V, Additional –12V
9V to 80V, Latch Off/Autoretry, SO-8
3V to 16.5V, Overvoltage Protection Up to 33V
3.3V, 5V, ±12V Supplies for PCI Bus
Operates from 1.2V to 12V, SO-8
3.3V, 5V Supplies Only
Dual ON Pins, 2.7V to 16.5V
Single Supply, 2.5V to 16.5V, MSOP
3.3V, 5V, ±12V Supplies, Control and Status over I
3.3V, 5V, ±12V and 3.3VAux Supplies for PCI Bus
3.3V, 5V, ±12V, Local Reset Logic and Precharge
Fast Active Current Limiting with Drain Accelerated Response,
Supply from –15V
Provides Capacitive Buffering, SDA and SCL Precharge and Level
Shifting, Enabled by 2-Wire Bus Commands
2
CFG
5V
C Interface and 8-bit ADC for Board Power Monitoring, 8.5V to 80V
IN
60mΩ
GND
5V
SENSE
PRECHARGE
V
V
IRF7413
EESENSE
N/C
V
5V
EEGATE
5V
GPI01
GPI02
GPI03
EEOUT
V
GATE
EEIN
OUT
10Ω
PRST#2
A/D INPUT
PRST#1
CONNECTOR
BACKPLANE
© LINEAR TECHNOLOGY CORPORATION 2006
CARD
CONNECTOR
LT 0406 REV A • PRINTED IN USA
2
V
12V 5.5A
V
3.3V 3A
AUX
OUTPUT
3.3V 375mA
C
OUT
OUT
4245 TA02
4245fa