LTC1473IGN Linear Technology, LTC1473IGN Datasheet - Page 16

• Manufacturer Part Number: LTC1473IGN
• Description: IC SWITCH DVR PWRPATH DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PowerPath™r

Specifications of LTC1473IGN

• Applications: Handheld/Mobile Devices
• Fet Type: N-Channel
• Number Of Outputs: 2
• Internal Switch(s): No
• Delay Time - On: 22µs
• Delay Time - Off: 1µs
• Voltage - Supply: 4.75 V ~ 30 V
• Current - Supply: 100µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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