MIC5158BM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High-performance, low-dropout linear regulator
• Package: SOIC-8 (Small Outline Integrated Circuit), surface mount package
• Essence: Provides a stable output voltage with low dropout voltage and high accuracy
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 200mV at 100mA load current
• Output Current: Up to 500mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5158BM has the following pin configuration:

```

---

| | --| Vout Vin|-- --| GND EN |-- --| NC NC |-- |___________| ```

• Vout: Output voltage pin
• Vin: Input voltage pin
• GND: Ground pin
• EN: Enable pin
• NC: No connection pin

Functional Features

• Low dropout voltage: Allows operation with small input-output differentials
• High accuracy: Provides precise output voltage regulation
• Low quiescent current: Ensures minimal power consumption during standby mode
• Thermal shutdown protection: Prevents damage due to excessive temperature
• Short-circuit current limit: Protects the device from overcurrent conditions

Advantages and Disadvantages

Advantages

• High-performance voltage regulator
• Stable output voltage
• Low dropout voltage
• High accuracy
• Thermal shutdown protection

Disadvantages

• Limited output current capacity (up to 500mA)

Working Principles

The MIC5158BM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. The device maintains a stable output voltage even when the input voltage varies within the specified range.

Detailed Application Field Plans

The MIC5158BM is commonly used in various applications, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics
2. Automotive systems: Ensures stable voltage for automotive electronics
3. Industrial equipment: Regulates voltage in control systems and sensors
4. Communication devices: Maintains constant voltage for wireless communication modules
5. Consumer electronics: Powers microcontrollers, audio amplifiers, and other components

Detailed and Complete Alternative Models

1. LM1117: Low dropout voltage regulator with adjustable output voltage
2. LT1763: Ultra-low dropout linear regulator with high output current capability
3. MAX603: Precision voltage reference with low quiescent current
4. TPS7A47: High-performance LDO regulator with wide input voltage range

These alternative models offer similar functionality and can be considered as substitutes for the MIC5158BM in different applications.

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