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LTC3413

Features: ` High Efficiency: Up to 90%` ±3A Output Current`Symmetrical Source and Sink Output Current Limit` Low RDS(ON) Internal Switch: 85m` No Schottky Diode Required` 2.25V to 5.5V Input Voltage Range`VOUT = VREF/2` ±1% Output Voltage Accuracy` Programmable Switching Frequency: Up to 2MHz` Pow...

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SeekIC No. : 004402225 Detail

LTC3413: Features: ` High Efficiency: Up to 90%` ±3A Output Current`Symmetrical Source and Sink Output Current Limit` Low RDS(ON) Internal Switch: 85m` No Schottky Diode Required` 2.25V to 5.5V Input Voltage...

LTC3413 Data Sheet

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Part Number:
LTC3413
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` High Efficiency: Up to 90%
` ±3A Output Current
`Symmetrical Source and Sink Output Current Limit
` Low RDS(ON) Internal Switch: 85m
` No Schottky Diode Required
` 2.25V to 5.5V Input Voltage Range
`VOUT = VREF/2
` ±1% Output Voltage Accuracy
` Programmable Switching Frequency: Up to 2MHz
` Power Good Output Voltage Monitor
`Overtemperature Protected
`Available in 16-Lead TSSOP Exposed Pad Package


Application

· Bus Termination: DDR and QDRTM Memory, SSTL, HSTL, ...
·Notebook Computers
·Distributed Power Systems




Pinout

Connection Diagram


Specifications

SVIN, PVIN Supply Voltages ......................... 0.3V to 6V
ITH, RUN/SS, VFB, PGOOD Voltages ............ 0.3V to VIN
VREF Voltage .............................................. 0.3V to VIN
SW Voltage .................................. 0.3V to (VIN + 0.3V)
Peak SW Sink and Source Current ........................... 7.2A
Operating Ambient Temperature Range
    (Note 2) ............................................. 40°C to 85
Junction Temperature (Notes 5, 8) ........................ 125
Storage Temperature Range .................. 65to 150
Lead Temperature (Soldering, 10 sec)................... 300


Description

The LTC®3413 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 equal to (0.5)VREF while sourcing or sinking up to 3A of output current. An internal voltage divider of LTC3413 reduces component count and eliminates the need for external resistors by dividing the reference voltage in half. The internal synchronous power switch with 85m on-resistance increases efficiency and eliminates the need for an external Schottky diode. Switching frequencies up to 2MHz are set by an external resistor.

Forced-continuous operation in the LTC3413 reduces noise and RF interference. Fault protection is provided by an overcurrent comparator that limits output current during both sourcing and sinking operations. Adjustable compensation allows the transient response to be optimized over a wide range of loads and output capacitors.




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