LTC3788 Datasheet, PDF (32/32 Pages) Linear Technology – 2-Phase, Dual Output Synchronous Boost Controller

LTC3788
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DESCRIPTION
2-Phase, Dual Output Synchronous Step-Up
Controller
Multiphase Current Mode Step-Up DC/DC
Controller
100V Maximum V_OUT Current Mode Synchronous
Step-Up DC/DC Controller
60V Maximum V_OUT Current Mode Synchronous
Step-Up DC/DC Controller
Wide Input Range, No R_SENSE Low Quiescent
Current Flyback, Boost and SEPIC Controller
Boost, Flyback, SEPIC and Inverting Controller
Boost, Flyback, SEPIC and Inverting Controller
2-Phase Step-Up DC/DC Controller
Boost/Inverting DC/DC Converter with 2A Switch,
Soft-Start and Synchronization
No R_SENSE Current Mode Boost DC/DC Controller
Low I_Q, Dual 2-Phase Synchronous Step-Down
DC/DC Controller
High Efficiency Synchronous 4-Switch
Buck-Boost DC/DC Controller
COMMENTS
4.5V ≤ V_IN ≤ 38V, V_OUT Up to 60V, 50kHz to 900kHz, SSOP-28 Package
4V ≤ V_IN ≤ 36V, 5V or 10V Gate Drive, 75kHz to 500kHz
No R_SENSE, Large 1Ω Gate Driver, Adjustable Off-Time, SSOP-28 Package
No R_SENSE, Large 1Ω Gate Driver, Adjustable Off-Time, TSSOP-16 Package
Adjustable Switching Frequency, 2.5V ≤ V_IN ≤ 36V, Burst Mode Operation
at Light Load, MSOP-10 Package
2.9V ≤ V_IN ≤ 40V, 100kHz to 1MHz Programmable Operation Frequency,
3mm × 3mm DFN-10 and MSOP-10E Packages
5.5V ≤ V_IN ≤ 100V, 100kHz to 1MHz Programmable Operation Frequency,
3mm × 3mm DFN-10 and MSOP-10E Packages
6V≤ V_IN ≤ 40V, Optional Synchronous Operation
2.5V ≤ V_IN ≤ 32V, 200kHz to 2.5MHz, 3mm × 3mm DFN-8 and MSOP-8E
Packages
550kHz Fixed Frequency, 2.75V ≤ V_IN ≤ 9.8V, ThinSOT Package
4V ≤ V_IN ≤ 38V, 0.8V ≤ V_OUT ≤ 24V, 50μA I_Q
4V ≤ V_IN ≤ 36V, 0.8V ≤ V_OUT ≤ 30V, SSOP-24 and 5mm × 5mm QFN-32
Packages
32 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3788f
LT 1209 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2009