Datasheet

LTC3854
28
3854fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2009
LT 0211 REV B • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC3851A/
LTC3851A-1
No R
SENSE
™ Wide V
IN
Range Synchronous Step-Down
DC/DC Controller
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
LTC3878 No R
SENSE
Constant On-Time Synchronous Step-Down
DC/DC Controller
Very Fast Transient Response, t
ON(MIN)
= 43ns, 4V ≤ V
IN
≤ 38V, 0.8V ≤ V
OUT
≤
0.9V
IN
, SSOP-16
LTC3879 No R
SENSE
Constant On-Time Synchronous Step-Down
DC/DC Controller
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
LTC3850/
LTC3850-1/
LTC3850-2
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 780kHz, 4V ≤ V
IN
≤
30V, 0.8V ≤ V
OUT
≤ 5.25V
LTC3853 Triple Output, Multiphase Synchronous Step-Down DC/DC
Controller, R
SENSE
or DCR Current Sensing and Tracking
Phase-Lockable Fixed Operating Frequency, 250kHz to 750kHz, 4V ≤ V
IN
≤
24V, V
OUT
Up to 13.5V
LT M
®
4600HV 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
LTM4601AHV 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
LTC3601 1.5A, 4MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Phase Lockable, I
Q
= 300µA, 4V ≤ V
IN
≤ 15V, V
OUT(MIN)
0.6V,
3mm × 3mm QFN-16, MSOP-16E
LTC3603 2.5A, 3MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Phase Lockable, I
Q
= 75µA, 4.5V ≤ V
IN
≤ 15V, V
OUT(MIN)
0.6V,
4mm × 4mm QFN-20
LTC3605 5A, 4MHz, 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
LTC3608 8A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
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
Converter
High Efficiency, Adjustable Constant On-Time, 4V ≤ V
IN
≤ 24V, V
OUT(MIN)
0.6V,
9mm × 9mm QFN-64
LTC3611 10A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Adjustable Constant On-Time, 4V ≤ V
IN
≤ 32V, V
OUT(MIN)
0.6V,
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.