LTC4245
34
4245fa
G36 SSOP 0204
0.09 – 0.25
(.0035 – .010)
0° – 8°
0.55 – 0.95
(.022 – .037)
5.00 – 5.60**
(.197 – .221)
7.40 – 8.20
(.291 – .323)
1234
5
6
7
8 9 10 11 12 14 15 16 17 1813
12.50 – 13.10*
(.492 – .516)
2526 22 21 20 19232427282930313233343536
2.0
(.079)
MAX
0.05
(.002)
MIN
0.65
(.0256)
BSC
0.22 – 0.38
(.009 – .015)
TYP
MILLIMETERS
(INCHES)
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
*
**
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
0.42 ±0.03 0.65 BSC
5.3 – 5.7
7.8 – 8.2
RECOMMENDED SOLDER PAD LAYOUT
1.25 ±0.12
PACKAGE DESCRIPTIO
U
G Package
36-Lead Plastic SSOP (5.3mm)
(Reference LTC DWG # 05-08-1640)
LTC4245
35
4245fa
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
PACKAGE DESCRIPTIO
U
5.00 ± 0.10
(2 SIDES)
NOTE:
1. DRAWING CONFORMS TO JEDEC PACKAGE
OUTLINE M0-220 VARIATION WHKD
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
PIN 1
TOP MARK
(SEE NOTE 6)
0.40 ± 0.10
37
1
2
38
BOTTOM VIEW—EXPOSED PAD
5.15 ± 0.10
(2 SIDES)
7.00 ± 0.10
(2 SIDES)
0.75 ± 0.05
R = 0.115
TYP
0.25 ± 0.05
(UH) QFN 0205
0.50 BSC
0.200 REF
0.200 REF
0.00 – 0.05
RECOMMENDED SOLDER PAD LAYOUT
3.15 ± 0.10
(2 SIDES)
0.40 ±0.10
0.00 – 0.05
0.75 ± 0.05
0.70 ± 0.05
0.50 BSC
5.15 ± 0.05 (2 SIDES)
3.15 ± 0.05
(2 SIDES)
4.10 ± 0.05
(2 SIDES)
5.50 ± 0.05
(2 SIDES)
6.10 ± 0.05 (2 SIDES)
7.50 ± 0.05 (2 SIDES)
0.25 ± 0.05
PACKAGE
OUTLINE
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1 NOTCH
R = 0.30 TYP OR
0.35 × 45° CHAMFER
UHF Package
38-Lead Plastic QFN (5mm × 7mm)
(Reference LTC DWG # 05-08-1701)
LTC4245
36
4245fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0406 REV A • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LTC1421 Hot Swap Controller Dual Supplies from 3V to 12V, Additional –12V
LT
®
1641-1/LT1641-2 Positive High Voltage Hot Swap Controllers 9V to 80V, Latch Off/Autoretry, SO-8
LTC1642A Fault Protected Hot Swap Controller 3V to 16.5V, Overvoltage Protection Up to 33V
LTC1643AL/LTC1643AL-1,
LTC1643AH
PCI Bus Hot Swap Controllers 3.3V, 5V, ±12V Supplies for PCI Bus
LTC1645 Dual-Channel Hot Swap Controller/Power Sequencer Operates from 1.2V to 12V, SO-8
LTC1646 CompactPCI Dual Hot Swap Controller 3.3V, 5V Supplies Only
LTC1647 Dual Hot Swap Controller Dual ON Pins, 2.7V to 16.5V
LTC4211 Hot Swap Controller with Multifunction Current Control Single Supply, 2.5V to 16.5V, MSOP
LTC4240 CompactPCI Hot Swap Controller with I
2
C I/O 3.3V, 5V, ±12V Supplies, Control and Status over I
2
C
LTC4241 PCI-Bus with 3.3V Auxiliary Hot Swap Controller 3.3V, 5V, ±12V and 3.3VAux Supplies for PCI Bus
LTC4244/LTC4244-1 Rugged CompactPCI Bus Hot Swap Controllers 3.3V, 5V, ±12V, Local Reset Logic and Precharge
LTC4252A –48V Hot Swap Controller in MSOP Fast Active Current Limiting with Drain Accelerated Response,
Supply from –15V
LTC4260 Positive High Voltage Hot Swap Controller with I
2
C, ADC I
2
C Interface and 8-bit ADC for Board Power Monitoring, 8.5V to 80V
LTC4302-1/LTC4302-2 Addressable 2-Wire Bus Buffers Provides Capacitive Buffering, SDA and SCL Precharge and Level
Shifting, Enabled by 2-Wire Bus Commands
RELATED PARTS
TYPICAL APPLICATIO
U
CARD
CONNECTOR
BACKPLANE
CONNECTOR
PWREN
PWREN
PWRGD
PWRGD
LTC4245
12V
IN
V
IN
12V
V
IN
3.3V
V
AUX
3.3V
12V
SENSE
12V
GATE
12V
OUT
3V
OUT
3V
IN
3V
SENSE
3V
GATE
5V
OUT
V
EEIN
V
EESENSE
V
EEGATE
V
EEOUT
BD_SEL#
ON
HEALTHY#
SDA
N/C
0.1µF
10
10
10
60m
7m
Si7880DP
Si7880DP
8m
2.2µF
10nF
PRST#1
IRF7413
PRST#2
AUX
OUTPUT
3.3V 375mA
V
OUT
12V 5.5A
V
OUT
3.3V 3A
PRECHARGEGNDCFGINTV
CC
PCI_RESET#PGIADR3ADR2ADR1ADR0TIMERSSSCL
5V
IN
5V
SENSE
5V
GATE
N/C
GPI01
A/D INPUT
GPI02
GPI03
PWRFLT
LOCAL_PCI_RESET#
ALERT#
PCI EXPRESS
HOT-PLUG
CONTROLLER
SYSTEM
MANAGEMENT
BUS CONTROLLER
4245 TA02
PCI Express Backplane Resident Application

LTC4245IG#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Hot Swap Voltage Controllers Quad Hot Swap Contr. w/ADC and I2C
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union