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LT1761MPS5-5

Name: LT1761MPS5-5
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 100MA TSOT23-5

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Package	Bulk
ProductStatus	Active

概述

Description

The LT1761MPS5-5 is a fixed-output, low-dropout regulator from Linear Technology (Analog Devices). It provides a 5V output in a compact MSOP-5 package, suitable for space‑constrained designs. Key benefits include low dropout, good line/load regulation, fast transient response, and built‑in protection features (current limit and thermal/shutdown protection). It typically uses an enable/shutdown pin to turn the regulator on or off. The device requires a input capacitor close to VIN and a low‑ESR output capacitor (per datasheet recommendations) to ensure stability and best transient performance. Pinouts vary by package, so consult the exact LT1761/MSP5 documentation for the precise configuration, recommended capacitors, maximum input voltage, quiescent current, and load/current limits. Applications include portable electronics, microcontroller power rails, USB peripherals, and other space‑limited 5V supply needs.

Features

LT1761MPS5-5 is a 5V fixed-output switching regulator in the MSOP-8 (MPS5) package. Key features:
- Input range up to 60V
- Fixed 5V output
- Internal switch capable of about 1.5A
- High switching frequency (typical around 1 MHz)
- Current‑mode control with fast transient response
- Enable pin for shutdown
- Thermal shutdown and overcurrent protection
- Soft-start to limit inrush
- Requires external inductor and catch diode (external components per application)
- Small form factor with exposed pad for good thermal performance
- Suitable for wide-temperature automotive/industrial use with good efficiency across load
For exact electrical specs ( voltages, currents, timing, and recommended external components), please refer to the datasheet.

Package

The LT1761MPS5-5 is supplied in a 5-lead SOT-23 surface-mount package (SOT-23-5).

Pinout

The LT1761MPS5-5 is supplied in a 5-pin SOT-23 (MPS-5) package. The five pins provide:
- VIN — regulator input
- VOUT — regulated 5.0 V output
- GND — ground
- SHDN/EN — active‑low/high shutdown (enable) control
- BYPASS/REF — reference bypass/noise‑reduction (programs start‑up/noise and used on adjustable versions)
(Functional pin names may vary slightly in datasheets; refer to the LT1761 datasheet for exact pin numbering and electrical details.)

Manufacturer

Manufacturer: Linear Technology Corporation (part of Analog Devices since 2017).
What kind of company: An analog semiconductor company that designs and manufactures high-performance analog integrated circuits and power-management devices (voltage regulators, LDOs, converters, precision amplifiers).

Application

LT1761MPS5-5 is a fixed 5V, low-noise, low-dropout LDO. Typical applications:
- Power rails for MCUs, FPGA/DSP, and other digital ICs in portable/battery-powered gear
- Post-regulation for switching regulators
- Clean analog rails for ADCs, DACs, and instrumentation
- Noise-sensitive RF/communication front-ends
- Sensors and data-acquisition systems
- Any 5V supply requiring low ripple and good transient response (within its operating range)

Equivalent

There are no guaranteed pin‑for‑pin clones of the LT1761MPS5‑5. Functional equivalents (5.0V, low‑dropout, ~500–600 mA class) include AP2112K‑5.0, MIC5219‑5.0 and LT1763‑5.0. Verify package/pinout, dropout, quiescent current and stability before substituting.