Microchip MIC68401YML-TR

Manufacturer No:

MIC68401YML-TR

Manufacturer:

Microchip

Package:

16-VQFN Exposed Pad

Description:

4A Sequencing LDO with Tracking and Ramp Control - Eval Board

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MIC68401YML-TR information

Microchip MIC68401YML-TR technical specifications, attributes, parameters and parts with similar specifications to Microchip MIC68401YML-TR.

Type
Parameter

VIN Min (V) V (volt)
1.65

VIN Max V (volt)
5.5

IOUT #1 Max mA (milliampere)
4000

Rated IOUT Max mA (milliampere)
4000

Voltage Drop Typ (mV)
360

Accuracy (+/-) %
2

Adjustable VOUT
Yes

Reverse Battery
No

Bypass Pin
Yes

Current Limit
Yes

Shutdown EN
Yes

Power Good Signal
Yes

Thermal Shutdown
Yes

Download datasheets and manufacturer documentation for Microchip MIC68401YML-TR.

Data Sheets:

7756eb70a3b31005ca03d903971ff4f7.pdf

The MIC68401 is a high peak current LDO regulator designed specifically for powering applications such as FPGA core voltages that require high startup current with lower nominal operating current. Capable of sourcing 4A of current for start-up, the MIC68401 provides high power from a small QFN package. The MIC68401 can also implement a variety of power-up and power-down protocols such as sequencing, tracking, and ratiometric tracking.

The MIC68401 operates from a wide input range of 1.65V to 5.5V, which includes all of the main supply voltages commonly available today. It is designed to drive digital circuits requiring low voltage at high currents (i.e., PLDs, DSPs, microcontrollers, etc.). The MIC68401 incorporates a delay pin (DELAY) for control of power-on-reset (POR) output at turn-on. In addition, there is a ramp control (RC) for either tracking applications or output voltage slew rate control at turn-on. These features are important in applications where the load is highly capacitive and inrush currents can cause supply voltages to fail and microprocessors or other complex logic chips to hang up.

Multiple MIC68401s can be "daisy chained" in two modes. In tracking mode the output voltage of the master drives the RC pin of a slave so that the slave tracks the main regulator during turn-on and turn-off. In sequencing mode the POR of the master drives the enable (EN) of the slave so that it turns on after the master. This behavior is critical for power-up control in multi-output power supplies. The MIC68401 is fully protected offering both thermal, current limit protection, and reverse current protection.

The MIC68401 has an adjustable output voltage. The junction temperature range of part is rated from 40°C to +125°C. The MIC68401 is offered in the small 16-pin 4mm x 4mm QFN package.

Stable with 10µF ceramic capacitor
Input voltage range: 1.65V to 5.5V
Low 0.5V reference voltage
±2.0% output tolerance over temperature
4A output current
Timing-controlled sequencing on/off
Programmable Ramp Control™ for inrush current limiting and slew rate control of the output voltage during turn-on
Power-on-reset (POR) supervisor with programmable delay time
Single master can control multiple slave regulators with tracking output voltages
Small 4mm x 4mm QFN package
Maximum dropout (VIN _ VOUT) of 500mV over temperature at 3A output current
Fixed and adjustable output voltages
Excellent line and load regulation specifications
Logic-controlled shutdown
Thermal shutdown and current-limit protection

User Guide

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