LTC1703 LINER [Linear Technology], LTC1703 Datasheet - Page 36

• Manufacturer Part Number: LTC1703
• Description: Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
• Manufacturer: LINER [Linear Technology]

LTC1703
RELATED PARTS
PART NUMBER
LTC1530
LTC1625
LTC1628
LTC1702
LTC1706-81
LTC1709
LTC1736
LTC1753
LTC1772
LTC1873
LTC1929
No R
Pentium is a registered trademark of Intel Corporation.
36
SENSE
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
High Power Synchronous Step-Down Controller
No R
Dual High Efficiency 2-Phase Synchronous Step-Down Controller
Dual 550kHz Synchronous 2-Phase Switching Regulator Controller 550kHz, 25MHz GBW, No R
VID Voltage Programmer
2-Phase, 5-Bit Desktop VID Synchronous Step-Down Controller
Synchronous Step-Down Controller with 5-Bit Mobile VID Control
5-Bit Desktop VID Programmable Synchronous
Switching Regulator
SOT-23 Step-Down Controller
Dual 550kHz Synchronous 2-Phase Switching Regulator
Controller with VRM 8.4 5-Bit VID
2-Phase, Synchronous High Efficiency Converter
SENSE
TM
Current Mode Synchronous Step-Down Controller
COMMENTS
SO-8 with Current Limit. No R
Above 95% Efficiency, Needs No R
Fits SO-8 Footprint
Constant Frequency, Standby 5V and 3.3V LDOs, 3.5V V
for V
Fault Protection, PowerGood, 3.5V to 36V Input, Current Mode
V
Adds 5-Bit VID to 0.8V Referenced Switching Regulators
Current Mode, V
1.3V to 3.5V Programmable Output Using Internal 5-Bit DAC
550kHz, Up to 4A, 2.2V to 9.8V V
5-Bit VID for 1.3V V
Current Mode Ensures Accurate Current Sensing,
IN
Up to 36V, I
OUT
Range of 1.3V to 3.5V
OUT
IN
to 36V, I
Up to 40A
OUT
OUT
SENSE
3.5V, V
SENSE
LINEAR TECHNOLOGY CORPORATION 1999
Up to 42A
, V
IN
SENSE
, 100% Duty Cycle
1703f LT/TP 0200 4K • PRINTED IN USA
IN
IN
Required
7V
, 16-Lead SSOP Package
7V
IN
36V