LTC1699 Series
TYPICAL APPLICATIO
0.1µF
µP
Enhanced Data Transmission Speed
VCC
1 LTC1694 5
VCC SMBus1
2
4
GND SMBus2
SMBus
3
LTC1699
8
SCL
VCC
2
SDA
1
SEL
4
PGOOD
5
SENSE
6
FB
7
GND
0.1µF
TO DC/DC
CONVERTER
1699 TA04
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LTC1628/
LTC1628-PG
LTC1694/
LTC1694-1
High Efficiency, 2-phase, Synchronous Step Down Switching Regulators Dual Controller, 0.8V Reference, Wide Input Voltage Range
SMBus/I2C Accelerators in SOT-23
Improves SMBus/I2C Data Integrity
LTC1702
Dual 1 MHz Synchronous 5V to 2.xV/1.xV Switching Regulator Controller Low Input Voltages, High Efficiency
LTC1735/
LTC1735-1
High Efficiency Synchronous Step Down Switching Regulators
0.8V Reference, Wide Input Voltage Range, Synchronizable/
Programmable Fixed Frequency
LTC1878
Monolithic Synchronous Step Down Switching Regulator
LTC1706-19 VID Voltage Programmer
0.8V Reference, Internal Synchronous Switch,
2.65V ≤ VIN ≤ 6V
Parallel Interface, Designed for 1.19V Referenced Switching
Regulators
LTC1706-81 5-Bit Desktop VID Programmer
Parallel Interface, 0.8V Reference Intel Desktop VID Codes
(VRM8.4)
LTC1706-82
LTC1778
LTC1929/
LTC1929-PG
VID Programmer for Intel VRM9.0
Wide Operating Range, No RSENSETM Step-Down Controller
2-Phase High Efficiency Synchronous Step-Down Switching Regulators
Parallel Interface, 0.8V Reference Intel Desktop VID codes
(VRM9.0)
2% to 90% Duty Cycle at 200kHz, tON(MIN) ≤ 100ns, Stable
with Ceramic COUT
2-Phase Single Output Controller, Wide VIN Range: 4V to 36V
Operation
No RSENSE is a trademark of Linear Technology Corporation.
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
sn1699 1699fs LT/TP 0201 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2001