LTC3854_15 Datasheet, PDF (28/28 Pages) Linear Technology – Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller

LTC3854
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LTC3851A/
LTC3851A-1
LTC3878
LTC3879
LTC3850/
LTC3850-1/
LTC3850-2
No R_SENSE™ Wide V_IN Range Synchronous Step-Down
DC/DC Controller
No R_SENSE Constant On-Time Synchronous Step-Down
DC/DC Controller
No R_SENSE Constant On-Time Synchronous Step-Down
DC/DC Controller
Dual 2-Phase, High Efficiency Synchronous Step-Down
DC/DC Controllers, R_SENSE or DCR Current Sensing and
Tracking
Phase-Lockable Fixed Operating Frequency, 250kHz to 750kHz, 4V ≤ V_IN ≤
38V, 0.8V ≤ V_OUT ≤ 5.25V, MSOP-16E, 3mm × 3mm QFN-16, SSOP-16
Very Fast Transient Response, t_ON(MIN) = 43ns, 4V ≤ V_IN ≤ 38V, 0.8V ≤ V_OUT ≤
0.9V_IN, SSOP-16
Very Fast Transient Response, t_ON(MIN) = 43ns, 4V ≤ V_IN ≤ 38V, 0.6V ≤ V_OUT ≤
0.9V_IN, MSOP-16E, 3mm × 3mm QFN-16
Phase-Lockable Fixed Operating Frequency, 250kHz to 780kHz, 4V ≤ V_IN ≤
30V, 0.8V ≤ V_OUT ≤ 5.25V
LTC3853
LTM^®4600HV
LTM4601AHV
LTC3601
Triple Output, Multiphase Synchronous Step-Down DC/DC Phase-Lockable Fixed Operating Frequency, 250kHz to 750kHz, 4V ≤ V_IN ≤
Controller, R_SENSE or DCR Current Sensing and Tracking 24V, V_OUT Up to 13.5V
10A DC/DC µModule^® Complete Power Supply
High Efficiency, Compact Size, Ultrafast Transient Response, 4.5V ≤ V_IN ≤
28V, 0.8V ≤ V_OUT ≤ 5V, 15mm × 15mm × 2.8mm
12A DC/DC µModule Complete Power Supply
High Efficiency, Compact Size, Ultrafast Transient Response, 4.5V ≤ V_IN ≤
28V, 0.8V ≤ V_OUT ≤ 5V, 15mm × 15mm × 2.8mm
1.5A, 4MHz, Monolithic Synchronous Step-Down DC/DC High Efficiency, Phase Lockable, I_Q = 300µA, 4V ≤ V_IN ≤ 15V, V_OUT(MIN) 0.6V,
Converter
3mm × 3mm QFN-16, MSOP-16E
LTC3603
2.5A, 3MHz, Monolithic Synchronous Step-Down DC/DC High Efficiency, Phase Lockable, I_Q = 75µA, 4.5V ≤ V_IN ≤ 15V, V_OUT(MIN) 0.6V,
Converter
4mm × 4mm QFN-20
LTC3605
LTC3608
5A, 4MHz, Monolithic Synchronous Step-Down DC/DC
Converter
8A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Adjustable Frequency, 800kHz to 4MHz, 4V ≤ V_IN ≤ 15V,
V_OUT(MIN) 0.6V, 4mm × 4mm QFN-24
High Efficiency, Adjustable Constant On-Time, 4V ≤ V_IN ≤ 18V, V_OUT(MIN) 0.6V,
7mm × 8mm QFN-52
LTC3609
6A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Adjustable Constant On-Time, 4V ≤ V_IN ≤ 32V, V_OUT(MIN) 0.6V,
7mm × 8mm QFN-52
LTC3610
12A, 1MHz, Monolithic Synchronous Step-Down DC/DC High Efficiency, Adjustable Constant On-Time, 4V ≤ V_IN ≤ 24V, V_OUT(MIN) 0.6V,
Converter
9mm × 9mm QFN-64
LTC3611
10A, 1MHz, Monolithic Synchronous Step-Down DC/DC High Efficiency, Adjustable Constant On-Time, 4V ≤ V_IN ≤ 32V, V_OUT(MIN) 0.6V,
Converter
9mm × 9mm QFN-64
LTC3824
Low I_Q, High Voltage DC/DC Controller, 100% Duty Cycle Selectable Fixed Operating Frequency, 4V ≤ V_IN ≤ 60V, 0.8V ≤ V_OUT ≤ V_IN,
I_Q = 40µA, MSOP-10E
LTC3834/
LTC3834-1
Low I_Q, Synchronous Step-Down DC/DC Controller
Phase-Lockable Fixed Operating Frequency, 140kHz to 650kHz, 4V ≤ V_IN ≤
36V, 0.8V ≤ V_OUT ≤ 10V, I_Q = 30µA,
LT^®3845
Low I_Q, High Voltage Synchronous Step-Down DC/DC
Controller
Adjustable Fixed Operating Frequency, 100kHz to 500kHz, 4V ≤ V_IN ≤ 60V,
1.23V ≤ V_OUT ≤ 36V, I_Q = 30µA, TSSOP-16
µModule is a registered trademark of Linear Technology Corporation. No R_SENSE is a trademark of Linear Technology Corporation.
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3854fb
LT 0211 REV B • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2009