MAX8845YETC+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 12-Pin TDFN (Thin Dual Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 500mA
• Quiescent Current: 17µA (typical)
• Dropout Voltage: 120mV at 100mA load
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS: Soft-Start Pin
6. VOUT: Output Voltage
7. PGND: Power Ground
8. SW: Switching Node
9. BST: Boost Capacitor Connection
10. LX: Inductor Connection
11. AGND: Analog Ground
12. NC: No Connect

Functional Features

• High Efficiency: The MAX8845YETC+ offers high efficiency power conversion, minimizing energy loss during voltage regulation.
• Low Quiescent Current: With a typical quiescent current of only 17µA, the IC ensures minimal power consumption during standby or idle modes.
• Small Package Size: The 12-pin TDFN package provides a compact form factor, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Low quiescent current for reduced power consumption
• Small package size for space-constrained applications
• Wide input and output voltage range
• Excellent load and line regulation

Disadvantages

• Limited maximum output current (500mA)
• Dropout voltage of 120mV at 100mA load may not be suitable for certain low-power applications

Working Principles

The MAX8845YETC+ is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.8V and 3.6V. It utilizes a boost converter topology to achieve high efficiency power conversion. The IC incorporates internal compensation circuitry, soft-start functionality, and overcurrent protection to ensure stable and reliable operation.

Detailed Application Field Plans

The MAX8845YETC+ finds applications in various fields where efficient power management is required. Some potential application areas include:

1. Portable Electronic Devices: Smartphones, tablets, portable media players, and handheld gaming devices can benefit from the high efficiency and low quiescent current offered by the MAX8845YETC+.
2. Wearable Devices: Fitness trackers, smartwatches, and other wearable gadgets can utilize the small package size and wide input/output voltage range of the IC.
3. IoT (Internet of Things) Devices: Battery-powered IoT devices, such as sensors, actuators, and wireless modules, can take advantage of the low power consumption and compact form factor of the MAX8845YETC+.

Detailed and Complete Alternative Models

1. MAX8845YETC: Similar to MAX8845YETC+, but without the "+" suffix indicating tape and reel packaging.
2. MAX8845YETC-T: Same as MAX8845YETC+, but available in a tube packaging option.
3. MAX8845YETC-W: Similar to MAX8845YETC+, but offered in wafer form for custom assembly.

These alternative models provide flexibility in packaging options while maintaining the same functional characteristics as the MAX8845YETC+.

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