LTC1623 Linear Technology, LTC1623 Datasheet - Page 12

• Manufacturer Part Number: LTC1623
• Description: SMBus Dual High Side Switch Controller
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
LTC1623
RELATED PARTS
PART NUMBER
LTC1153/LTC1154
LTC1155/LTC1255
LTC1163
LT1304
LTC1473
LTC1479
PowerPath is a trademark of Linear Technology Corporation.
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
Single High Side Micropower MOSFET Drivers
Dual High Side Micropower MOSFET Drivers
Triple 1.8V to 6V High Side MOSFET Driver
Micropower DC/DC Converter
Dual PowerPath
PowerPath Controller for Dual Battery Systems
*1/2 Si6926DQ
5V
SMBus)
(FROM
10 F
(PROGRAMMABLE)
TM
U
LTC1623 Driving Both High Side and Low Side Switches
10 F
Switch Matrix
CLK
DATA
AD0
AD1
LTC1623
Single Slot PCMCIA 3.3V/5V Switch
GND
V
CC
CLK
DATA
AD0
AD1
GA
GB
2.7V TO 5.5V
LTC1623
GND
V
V
CC
CC
0.1 F
0.1 F
1k
1k
GB
GA
0.1 F
3.3V
1k
Q2*
Q3*
Q1
Si3442DY
(30V MAX)
LOW SIDE
LOAD
V
EXT
COMMENTS
Circuit Breaker with Auto Reset
Latch-Off Current Limit
Three MOSFET Drivers in 8-Lead SO Package
Low-Battery Detector Active in Shutdown
Current Limit with Timer
Complete Smart Battery Controller
Si6954DQ
1 F
0.1 F
1k
10k
HIGH SIDE
LOAD
TO PC CARD V
0V/3.3V/5V
Si6954DQ
1623 TA05
LINEAR TECHNOLOGY CORPORATION 1997
1623 TA02
1623f LT/TP 0598 4K • PRINTED IN USA
CC