Part Number
|
LTC3809-1 |
Manufacturer
|
Linear Technology |
Description
|
Synchronous DC/DC Controller |
Published
|
Jun 8, 2009 |
Detailed Description
|
LTC3809-1
No RSENSETM, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking
FEATURES
n Programmable Out...
|
Datasheet
|
LTC3809-1
|
Overview
LTC3809-1
No RSENSETM, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking
FEATURES
n Programmable Output Voltage Tracking n No Current Sense Resistor Required n Constant Frequency Current Mode Operation for
Excellent Line and Load Transient Response n Wide VIN Range: 2.
75V to 9.
8V n Wide VOUT Range: 0.
6V to VIN n 0.
6V ±1.
5% Reference n Low Dropout Operation: 100% Duty Cycle n Selectable Burst Mode®/Pulse-Skipping/Forced
Continuous Operation n Auxiliary Winding Regulation n Internal Soft-Start Circuitry n Selectable Maximum Peak Current Sense Threshold n Output Overvoltage Protection n Micropower Shutdown: IQ = 9μA n Tiny Thermally Enhanced Leadless (3mm × 3mm)
DFN and 10-l...
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