圖片僅供參考

MCP1703T-3302E/DB

Name: MCP1703T-3302E/DB
Rating: 4.7 (12 reviews)

IC REG LIN 3.3V 250MA SOT-223-3

製造商
製造商。部分 #MCP1703T-3302E/DB
包
資料表 MCP1703T-3302E/DB DataSheet
有現貨的3794

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	16V
Voltage - Output (Min/Fixed)	3.3V
Voltage Dropout (Max)	0.725V @ 250mA
Current - Output	250mA
Current - Quiescent (Iq)	5 µA
PSRR	44dB (100Hz)
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	TO-261-4, TO-261AA
Supplier Device Package	SOT-223-3
Base Product Number	MCP1703

概述

Description

The MCP1703T-3302E/DB is a low-dropout (LDO) voltage regulator from Microchip Technology, designed to provide a stable output voltage of 3.3V. It offers a maximum output current of 250 mA and features a low quiescent current, making it suitable for battery-powered applications. With a dropout voltage of only 178 mV at full load, it ensures efficient operation even as the input voltage approaches the output voltage.
This regulator operates over a wide input voltage range of 2.7V to 6.0V, providing flexibility for various power supply options. It includes built-in thermal and overcurrent protection, enhancing reliability and safety in applications. The MCP1703T-3302E/DB is available in a compact SOT-223 package, making it an excellent choice for space-constrained designs.
Overall, it is ideal for microcontrollers, sensors, and other low-power devices, where low noise and minimal power loss are critical.

Features

The MCP1703T-3302E/DB is a low-dropout (LDO) voltage regulator designed for applications requiring a stable output voltage. Key features include:
1. Output Voltage: Fixed output of 3.3V.
2. Input Voltage Range: Accepts input voltages from 2.7V to 6.0V.
3. Max Output Current: Supplies up to 250 mA of output current.
4. Dropout Voltage: Low dropout of 178 mV at 250 mA, ensuring efficiency.
5. Quiescent Current: Very low quiescent current of around 1.6 µA, making it suitable for battery-operated devices.
6. Temperature Range: Operates over a wide temperature range of -40°C to +125°C.
7. Power Supply Rejection Ratio (PSRR): High PSRR, improving noise performance.
8. Thermal Protection: Integrated thermal shutdown feature for reliability.
9. TO-220 Package: Available in a TO-220 package for easy mounting and heat dissipation.
These features make the MCP1703T-3302E/DB ideal for portable and low-power applications requiring stable voltage regulation.

Package

The MCP1703T-3302E/DB is packaged in a SOT-223 form factor. This package type features a compact, surface-mount design, ideal for space-constrained applications.

Pinout

The MCP1703T-3302E/DB is a low-dropout (LDO) voltage regulator with a pin count of 3.
Pin Functions:
1. Input (VIN): This pin is where the input voltage is supplied. The voltage must be higher than the desired output voltage (3.3V) by at least the dropout voltage.
2. Ground (GND): This pin serves as the common ground connection for the device.
3. Output (VOUT): This pin provides the regulated output voltage of 3.3V.
The MCP1703 is designed to deliver up to 250 mA of output current and features low quiescent current, making it suitable for battery-powered applications. Its compact size and simplicity make it an ideal choice for various electronic projects.

Manufacturer

The manufacturer of the MCP1703T-3302E/DB is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, the company specializes in developing technology solutions for various applications, including embedded systems, automotive, industrial, and consumer electronics. Microchip is known for its commitment to innovation and quality, providing a wide range of products that support the growing demand for smart, connected devices.

Application

The MCP1703T-3302E/DB is a low-dropout (LDO) voltage regulator primarily used in battery-powered devices, microcontroller applications, and sensor circuits. It provides a stable 3.3V output with low quiescent current, making it suitable for portable electronics, IoT devices, and automotive applications. Its compact size and efficient performance make it ideal for powering RF modules, wireless communication devices, and low-power embedded systems.

Equivalent

The MCP1703T-3302E/DB is a low-dropout (LDO) voltage regulator with a 3.3V output. Equivalent products include:
1. LM1117-3.3
2. LP2985-33
3. MIC5205-3.3
4. AMS1117-3.3
5. MCP1700-3302E
Ensure to check specifications like dropout voltage and current capacity when selecting an equivalent.