LTC1909-8 LINER [Linear Technology], LTC1909-8 Datasheet - Page 32

• Manufacturer Part Number: LTC1909-8
• Description: Wide Operating Range,No RSENSE TM Step-Down DC/DC Controller with SMBus Programming
• Manufacturer: LINER [Linear Technology]

PART NUMBER
LTC1380/LTC1393
LTC1622
LTC1623
LTC1625/LTC1775
LTC1628-SYNC
LTC1694/LTC1694-1 SMBus Accelerator
LTC1699-80
LTC1699-81
LTC1699-82
LTC1709-7
LTC1709-8
LTC1710
LTC1735
LTC1759
LTC1772
LTC1778
LT
LTC1876
LTC3701
LTC3711
LTC3714
ThinSOT is a trademark of Linear Technology Corporation.
LTC1909-8
RELATED PARTS
32
®
1786F
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
Multiplexer with SMBus Interface
550kHz Step-Down Controller
SMBus Dual High Side Switch Controller
No R
Dual, 2-Phase Synchronous Step-Down Controller
SMBus VID Programmer Compliant with Intel
5-Bit Mobile Specifications
SMBus VID Programmer Compliant with Intel
Desktop VRM8.4 Specifications
SMBus VID Programmer Compliant with Intel
Desktop VRM9.0 Specifications
High Efficiency, 2-Phase Synchronous Step-Down Controller
High Efficiency, 2-Phase Synchronous Step-Down Controller
SMBus Dual Monolithic High Side Switch
High Efficiency, Synchronous Step-Down Controller
SMBus Interfaced Smart Battery Charger
ThinSOT Step-Down Controller
No R
SMBus Programmable CCFL Switching Regulator
2-Phase, Dual Synchronous Step-Down Controller with
Step-Up Regulator
Dual, Step-Down Controller
5-Bit Adjustable, Wide Operating Range, No R
Step-Down Controller
Intel Compatible, Wide Operating Range, Step-Down Controller
with Internal Op Amp
SENSE
SENSE
Current Mode Synchronous Step-Down Controller
Synchronous Step-Down Controller
www.linear.com
SENSE
COMMENTS
Single-Ended 8-Channel/Differential 4-Channel Analog MUX
8-Pin MSOP, Synchronizable, Soft-Start; Current Mode
Built-In Charge Pump Drives N-Channel MOSFETs,
8-Lead MSOP Package
97% Efficiency; No Sense Resistor; 16-Pin SSOP
Synchronizable 150kHz to 300kHz
ThinSOT
Reliability, Improves Low State Noise
Precision 0.35% Resistor Divider for Use with 0.8V
Referenced Switching Regulators
Precision 0.35% Resistor Divider for Use with 0.8V
Referenced Switching Regulators
Precision 0.35% Resistor Divider for Use with 0.8V
Referenced Switching Regulators
Up to 42A Output; 0.925V V
Up to 42A Output; VRM 8.4, 1.3V V
Two Integrated 0.4 /300mA N-Channel Switches
Burst Mode Operation; 16-Pin Narrow SSOP;
3.5V V
Constant Current/Constant Voltage Battery Charger, Up to 8A
Charge Current, High Efficiency Synchronous Charger
Current Mode; 550kHz; Very Small Solution Size
No Sense Resistor Required, 4V V
0.8V V
Precision 100 A Full-Scale DAC, Grounded Lamp or
Floating Lamp Configurations
3.5V V
Current Mode; 550kHz; Small 16-Pin SSOP, V
GN24, Mobile VID, 0.925V V
G28, 0.6V V
Offsets, 5-Bit VID
TM
IN
OUT
IN
, Active Pull-Up Improves Data Transmission and
36V
36V, Power Good Output, 300kHz Operation
OUT
(0.9) V
1.75V, Programmable Output
IN
, GN16
LINEAR TECHNOLOGY CORPORATION 2001
OUT
OUT
LT/TP 0603 1K • PRINTED IN USA
2V
IN
2V
OUT
36V,
3.5V
IN
< 9.8V
19098f