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LTC3414

Linear Technology
Part Number LTC3414
Manufacturer Linear Technology
Description Monolithic Synchronous Step-Down Regulator
Published Mar 27, 2005
Detailed Description U U LTC3414 4A, 4MHz, Monolithic Synchronous Step-Down Regulator FEATURES DESCRIPTIO ■ High Efficiency: Up to 95% ■...
Datasheet PDF File LTC3414 PDF File

LTC3414
LTC3414

Overview
U U LTC3414 4A, 4MHz, Monolithic Synchronous Step-Down Regulator FEATURES DESCRIPTIO ■ High Efficiency: Up to 95% ■ 4A Output Current ■ Low Quiescent Current: 64μA ■ Low RDS(ON) Internal Switch: 67mΩ ■ Programmable Frequency: 300KHz to 4MHz ■ 2.
25V to 5.
5V Input Voltage Range ■ ±2% Output Voltage Accuracy ■ 0.
8V Reference Allows Low Output Voltage ■ Selectable Forced Continuous/Burst Mode® Operation with Adjustable Burst Clamp ■ Synchronizable Switching Frequency ■ Low Dropout Operation: 100% Duty Cycle ■ Power Good Output Voltage Monitor ■ Overtemperature Protected ■ Available in 20-Lead Exposed TSSOP Package U APPLICATIO S ■ Point-of-Load Regulation ■ Notebook Computers ■ Portable Instruments ■ Distributed Power Systems , LTC and LT are registered trademarks of Linear Technology Corporation.
Burst Mode and OPTI-LOOP are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.
S.
Patents, Including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 6724174 The LTC®3414 is a high efficiency monolithic synchronous, step-down DC/DC converter utilizing a constant frequency, current mode architecture.
It operates from an input voltage range of 2.
25V to 5.
5V and provides a regulated output voltage from 0.
8V to 5V while delivering up to 4A of output current.
The internal synchronous power switch with 67mΩ on-resistance increases efficiency and eliminates the need for an external Schottky diode.
Switching frequency is set by an external resistor or can be synchronized to an external clock.
100% duty cycle provides low dropout operation extending battery life in portable systems.
OPTI-LOOP® compensation allows the transient response to be optimized over a wide range of loads and output capacitors.
The LTC3414 can be configured for either Burst Mode operation or forced continuous operation.
Forced continuous operation reduces noise and RF interference while Burst Mode operation provides ...


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