ASM3P2107AF-08SR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOP-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications and Parameters

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. NC: No Connection
7. NC: No Connection
8. PG: Power Good Indicator

Functional Characteristics

• High Efficiency: The ASM3P2107AF-08SR offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 60μA, it ensures minimal power consumption during standby or low-load conditions.
• Fast Load Transient Response: It provides a quick response to sudden load changes, maintaining stable output voltage.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Fast load transient response - Overcurrent protection

Disadvantages: - Limited input voltage range (2.5V to 6.5V) - Dropout voltage of 200mV at 1A

Applicable Range of Products

The ASM3P2107AF-08SR is suitable for various applications requiring voltage regulation, such as: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial automation equipment

Working Principles

The ASM3P2107AF-08SR operates as a step-down (buck) voltage regulator. It takes an input voltage within the specified range and converts it to a lower, regulated output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output.

Detailed Application Field Plans

1. Portable Electronic Devices: The ASM3P2107AF-08SR can be used in smartphones, tablets, and wearable devices to regulate the battery voltage and ensure stable power supply.
2. Battery-Powered Systems: It is suitable for applications like wireless sensors, remote controls, and portable medical devices that rely on batteries for power.
3. IoT Devices: The IC can be utilized in IoT devices, such as smart home devices and environmental sensors, to provide efficient power management.
4. Industrial Automation Equipment: It finds application in industrial automation systems, where stable power supply is crucial for reliable operation.

Detailed Alternative Models

1. ASM3P2106AF-08SR: Similar specifications but with a lower output current of 600mA.
2. ASM3P2108AF-08SR: Similar specifications but with a higher output current of 1.5A.
3. ASM3P2109AF-08SR: Similar specifications but with adjustable output voltage.

5 Common Technical Questions and Answers

1. Q: What is the maximum input voltage supported by ASM3P2107AF-08SR? A: The maximum input voltage is 6.5V.

2. Q: Can I use this IC in automotive applications? A: No, the operating temperature range of -40°C to +85°C may not be suitable for automotive environments.

3. Q: Does ASM3P2107AF-08SR have short-circuit protection? A: No, it does not have built-in short-circuit protection. External measures should be taken to prevent short circuits.

4. Q: What is the purpose of the Power Good (PG) pin? A: The PG pin provides an indication of the output voltage status, signaling when the output voltage is within the specified range.

5. Q: Can I adjust the output voltage of ASM3P2107AF-08SR? A: No, the output voltage is fixed and cannot be adjusted externally.

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