MIC5239YM

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MIC5239YM

IC REG LIN POS ADJ 500MA 8SOIC

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規格

Package Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 1.24V
Voltage-Output(Max) 20V
VoltageDropout(Max) 0.35V @ 500mA (Typ)
Current-Output 500mA
Current-Quiescent(Iq) 45 µA
Current-Supply(Max) 15 mA
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Over Voltage, Reverse Polarity
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

MIC5239YM is Microchip/Micrel’s low-dropout regulator (LDO). It converts a higher input voltage to a stable, low-voltage output for microcontrollers, sensors, and other small circuits—ideal for battery-powered devices. The YM suffix denotes the package variant (MSOP-8 style) and pinout. Key features commonly include an enable/shutdown control, output protection (current limit and thermal shutdown), and low quiescent current. It’s available in fixed-output (and sometimes adjustable) versions with varying current capabilities. For exact electrical specs (input range, fixed output voltages, dropout, quiescent current, enable behavior, and package details), refer to the MIC5239YM datasheet.

Features

MIC5239YM is a low-dropout voltage regulator. Key features include:
- High-efficiency LDO, typically up to 150 mA output
- Fixed output voltage options (selectable variants)
- Enable/shutdown input for easy control
- Ultra-low quiescent current
- Low dropout voltage, suitable for battery operation
- Good line and load regulation with high PSRR
- Overcurrent/short-circuit protection and thermal shutdown
- Stable with ceramic capacitors
- Available in compact YM packages (SOT-23/MSOP family variants)

Package

SOT-23-5 (5-pin) package.

Pinout

MIC5239YM uses an 8-pin package (MSOP-8). It is a low-dropout voltage regulator with an enable pin and optional bypass/feedback features. Typical pin functions (MSOP-8 variants) include:
- VIN (input supply)
- VOUT (regulated output)
- GND (ground)
- EN (enable/shutdown)
- BYP (bypass capacitor for noise reduction)
- FB or ADJ (feedback/accounting for adjustable version)
- NC (no connect)
- NC (no connect)
Note: the exact pin-to-pin mapping can vary by variant; consult the MIC5239YM datasheet for the precise footprint and pin assignments for your package.

Manufacturer

- Manufacturer: Micrel Semiconductor (now part of Microchip Technology).
- What kind of company: A semiconductor company that designs and markets analog, mixed-signal, and power-management ICs (fabless).

Application

MIC5239YM is a low-dropout regulator (LDO). Applications:
- Power rails for microcontrollers, DSPs, FPGAs and other digital ICs
- Battery-powered portable devices and wearables
- Analog/RF front-ends requiring low noise and good PSRR
- Post-regulation in multi-rail power supplies
- Automotive and industrial instrumentation and sensors
- Consumer electronics where space and efficiency matter
Its small YM package enables compact handheld designs.

Equivalent

Equivalent parts depend on Vout and package. Common cross-refs for MIC5239YM (150 mA LDO with EN) include:
- TI TLV700/TLV704 family (e.g., TLV70033)
- ON Semiconductor NCP468/NCP469 series
- Torex XC6206/XC6210 series
Please specify target Vout and footprint for exact replacements.

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