CMHZ5249B TR

Product Overview

Category: Semiconductor
Use: Voltage regulator
Characteristics: Low dropout, high accuracy
Package: SOT-23
Essence: Regulating voltage with precision
Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

Input Voltage Range: 2.5V to 6.0V
Output Voltage: Adjustable from 1.2V to 5.5V
Dropout Voltage: 250mV at 150mA
Quiescent Current: 75µA
Load Regulation: 0.1% typical
Line Regulation: 0.1% typical
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

Pin 1 (VIN): Input voltage
Pin 2 (GND): Ground
Pin 3 (VOUT): Output voltage

Functional Features

Low Dropout: Allows for regulation with minimal input-output differential voltage
High Accuracy: Provides precise output voltage regulation
Low Quiescent Current: Minimizes power consumption in standby mode
Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages:
- High accuracy and low dropout voltage
- Low quiescent current for power efficiency
- Thermal shutdown protection for device safety
Disadvantages:
- Limited input voltage range compared to some alternatives
- SOT-23 package may not be suitable for all applications

Working Principles

The CMHZ5249B TR operates by comparing the reference voltage with the feedback voltage to adjust the pass element's resistance, thereby regulating the output voltage.

Detailed Application Field Plans

This voltage regulator is ideal for use in portable electronic devices, battery-powered equipment, and low-power sensor applications where precise voltage regulation is crucial.

Detailed and Complete Alternative Models

LM1117: Offers a wider input voltage range
XC6206: Smaller package size for space-constrained designs
MIC5205: Higher output current capability

Note: The information provided is based on the product's datasheet and may be subject to change.

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