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LTC3417AEDHC-2: 1.5A/1A, 4MHz, Dual Synchronous Buck DC/DC Regulator

Model: LTC3417AEDHC-2

Package: DFN-16

Type: Synchronous Step-Down DC/DC Regulator

Overview:

The LTC3417AEDHC-2 is a dual, constant frequency, synchronous step-down DC/DC converter. Designed for medium power applications, the device operates over an input voltage range of 2.25V to 5.5V and has a constant programmable switching frequency, allowing for small, low-cost capacitors and inductors ≤2mm in height. Each output voltage is adjustable from 0.8V to 5V. An internal synchronous low RDS(ON) power switch provides high efficiency and eliminates the need for external Schottky diodes.

LTC3417AEDHC-2 Product Features:

High efficiency: up to 95%.

1.5A/1A guaranteed minimum output current

Synchronisable to external clock

No Schottky diode required

Programmable operating frequency: 1.5MHz or adjustable (0.6MHz to 4MHz)

Low ripple (< 35mVP-P) Burst Mode® operation

IQ: 125μA (in sleep mode)

Low RDS(ON) internal switching

Short circuit protection

VIN: 2.25V to 5.5V

Current-mode operation for superior voltage and load transient response

Ultra-low shutdown current: IQ < 1μA

Low dropout operation: 100% duty cycle

Power good outputs

Phase pin responsible for selecting the second channel relationship (phase relative to the first channel)

Internal soft-start and separate RUN pin control

LTC3417AEDHC-2 Applications:

GPS/Navigation Systems

Automotive instrumentation

PC Cards

Industrial power supplies

General purpose point-of-load DC/DC

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