RT9742HNGJ5F

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Multiple protection features

Package: QFN (Quad Flat No-leads)

Essence: The RT9742HNGJ5F is a power management IC designed to efficiently regulate and control power in electronic devices.

Packaging/Quantity: The RT9742HNGJ5F is typically packaged in reels or trays, with a quantity of 2500 units per reel/tray.

Specifications

The RT9742HNGJ5F has the following specifications:

• Input Voltage Range: 2.7V - 5.5V
• Output Voltage Range: 0.6V - 3.6V
• Maximum Output Current: 1.5A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9742HNGJ5F has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switching pin
6. PG: Power Good pin
7. VOUT: Output voltage pin

Functional Features

The RT9742HNGJ5F offers the following functional features:

• High efficiency synchronous step-down DC-DC converter
• Adjustable output voltage through external resistors
• Over-temperature protection
• Over-current protection
• Under-voltage lockout protection
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range accommodates various power sources - Multiple protection features enhance device reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Higher cost compared to non-integrated power management solutions

Working Principles

The RT9742HNGJ5F operates as a synchronous step-down DC-DC converter. It converts the input voltage to a lower, regulated output voltage using high-frequency switching techniques. The integrated control circuitry ensures efficient power transfer and provides protection against over-temperature, over-current, and under-voltage conditions.

Detailed Application Field Plans

The RT9742HNGJ5F is commonly used in the following application fields:

1. Portable electronic devices (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. IoT (Internet of Things) devices
4. Battery-powered devices
5. Industrial automation systems

Detailed and Complete Alternative Models

Some alternative models to the RT9742HNGJ5F include:

1. RT9742GNGJ5F
2. RT9742LNGJ5F
3. RT9742MNGJ5F
4. RT9742PNGJ5F
5. RT9742QNGJ5F

These alternative models offer similar functionality and characteristics, providing flexibility in design choices.

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