16
LTC1473
1473fas, sn1473 LT/TP 0400 REV A 2K • PRINTED IN
USA
LINEAR TECHNOLOGY CORPORATION 1997
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1155 Dual High Side Micropower MOSFET Driver Internal Charge Pump Requires No External Components
LTC1161 Quad Protected High Side MOSFET Driver Rugged, Designed for Harsh Environment
LTC1473L Dual PowerPath Switch Driver Low Voltage Version of the LTC1473; Operates with 3.3V Input
LTC1479 PowerPath Controller for Dual Battery Systems Designed to Interface with a Power Management µP
LT1505 Synchronous Constant-Voltage/Constant-Current Up to 6A Charge Current; High Efficiency; Adaptive Current Limiting
Battery Charger
LT1510 Constant-Voltage/Constant-Current Battery Charger Up to 1.5A Charge Current for Lithium-Ion, NiCd and NiMH Batteries
LT1511 3A Constant-Voltage/Constant-Current Battery Charger High Efficiency, Minimal External Components to Fast Charge
Lithium, NiMH and NiCd Batteries
LTC1628 2-Phase Dual Synchronous Step-Down Controller Minimum Input Capacitors; 4.5V ≤ V
IN
≤ 36V
LTC1735 High Efficiency Synchronous Switching Regulator Constant Frequency, V
IN
≤ 36V, Fault Protection
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
TYPICAL APPLICATIONS
U
Protected Hot Swap
TM
Switchover Between Two Supplies
Hot Swap is a trademark of Linear Technology Corporation.
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
IN1
IN2
DIODE
TIMER
V
+
V
GG
SW
GND
GA1
SAB1
GB1
SENSE
+
SENSE
–
GA2
SAB2
GB2
LTC1473
L1*, 1mH
C5
1µF
C7
1µF
100k
100k
C6
4700pF
SUPPLY V2
12V
SUPPLY V1
5V
D1
MMBD2838LT1
Q1
Si4936DY
Q2
Si4936DY
R3
0.1Ω
OUT
5V
DOCKING
CONNECTOR
ON
LONG PIN
LONG PIN
SHORT PIN
*1812LS-105XKBC,
COILCRAFT
1473 • TA05
OTHER 5V
LOGIC
SUPPLY
