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LTM4686

Analog Devices
Part Number LTM4686
Manufacturer Analog Devices
Description Ultrathin Dual 10A or Single 20A uModule Regulator
Published Oct 2, 2018
Detailed Description LTM4686/LTM4686-1 Ultrathin Dual 10A or Single 20A µModule Regulator with Digital Power System Management FEATURES n Du...
Datasheet PDF File LTM4686 PDF File

LTM4686
LTM4686

Overview
LTM4686/LTM4686-1 Ultrathin Dual 10A or Single 20A µModule Regulator with Digital Power System Management FEATURES n Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring n Wide Input Voltage Range: 4.
5V to 17V Standalone, 2.
375V to 17V with Aux 5V Bias (LTM4686-1) n Output Voltage Range: 0.
5V to 3.
6V n ±0.
5% Maximum DC Output Error Over Temperature n 10A DC Typical, 12A Peak Output Current, per Channel n ±5% Current Readback Accuracy at 10A Load n 400kHz PMBus-Compliant I2C Serial Interface n Integrated 16-Bit ∆Σ ADC n Supports Telemetry Polling Rates Up to 125Hz n Constant Frequency Current Mode Control n Parallel and Current Share Multiple Modules n All 7-Bit Subordinate Addresses Supported n Drop-In Pin-Compatible to Dual 9A LTM4675 and Dual 13A LTM4676A and Dual 18A LTM4677 n 16mm × 11.
9mm × 1.
82mm LGA Package Readable Data: n Input and Output Voltages, Currents, and Temperatures n Running Peak Values, Uptime, Faults and Warnings n Onboard EEPROM Fault Log Record with ECC Writable Data and Configurable Parameters: n Output Voltage, Voltage Sequencing and Margining n Digital Soft-Start/Stop Ramp n OV/UV/OT, UVLO, Frequency and Phasing APPLICATIONS n System Optimization in Prototype and Production DESCRIPTION The LTM®4686 is a dual 10A (12A Peak) or single 20A (24A Peak) step-down µModule® (micromodule) DC/ DC regulator with 39ms turn-on time.
It features remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol .
The LTM4686 is comprised of fast analog control loops, precision mixedsignal circuitry, EEPROM, power MOSFETs, inductors and supporting components.
The LTM4686 product video is available on the website.
Click here .
The LTM4686’s 2-wire serial interface enables voltage margining and sequencing, and telemetry readback of currents, voltages, power, temperature, uptime and peak values.
Pin-strap resistors configure start-up settings.
The LTpowerPla...


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