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TC1303C

Name: TC1303C
Brand: Microchip Technology
SKU: 1512
Availability: InStock

Status: In Production

2MHz 500mA Synchronous Buck Regulator + 300mA LDO w/Power Good

Data Sheet:

PDF

500 mA Synchronous Buck Regulator, +300 mA LDO with Power-Good Output

Recommended for Automotive Design

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Overview

Regulator Type:Multi-Output
Configuration:Synchronous Buck Step-Down and Independent LDO
Supported Topology:Buck
Supported Output:0
Minimum Input Voltage (V):0
Maximum Input Voltage (V):0
Output Current (mA) Max:500
Maximum Frequency (kHz):0
Operating Temperature Range (°C):-40C to +125C
Vref (V):0.8
Duty Cycle Min (%):0
Duty Cycle Max (%):100
UVLO:2.55V
Switching Frequency (kHz) kHz (kilohertz):2,000
Input Voltage Range Min:2.7
Input Voltage Range Max:5.5
Output Current:300
Temp Range Min °C (degrees Celsius):-40
Temp Range Max °C (degrees Celsius):+125
Alternative Topology:LDO
Vout Min (V):1.5
Vout Max (V):3.3
Quiescent Current (mA) typ:70.1
Light Load Efficiency Mode:Yes
Switch current (A) typ:0
Automotive Rated:No
Automotive Qualified:No
SHUTDOWN Current (µA) (Typ):0.05
# of Outputs:2
Vfb V (volt):0.8
Synchronous Rectifier:Yes

Independent 300mA Low-Dropout Regulator

Power-good Monitor on the Buck and LDO Output with 300ms Delay

Both Outputs Internally Compensated

Independent Shutdown for the Buck and LDO Outputs

Automatic PWM to PFM mode transition

Small 10-Pin 3x3 DFN and MSOP

Undervoltage Lockout (UVLO)

Output Short Circuit and Overtemperature Protection

The TC1303C combines a 500mA synchronous buck regulator and a 300mA low-dropout (LDO) regulator with a power-good monitor to provide a highly integrated solution for applications that require multiple supply voltages. The power-good function monitors the outputs of the Buck and LDO regulators.

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Documentation

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Title	Document Category	DS Number
500 mA Synchronous Buck Regulator, +300 mA LDO with Power-Good Output Data Sheets	Data Sheets		Download	500 mA Synchronous Buck Regulator, +300 mA LDO with Power-Good Output
Power Management in Portable Applications: Understanding the Buck Switchmode Power Converter Application Notes	Application Notes		Link Download	Power Management in Portable Applications: Understanding the Buck Switchmode Power Converter
Analog & Interface Guide (Volume 2) Brochures	Brochures		Download	Analog & Interface Guide (Volume 2)
Analog and Interface Product Selector Guide Brochures DS Number 20001060	Brochures	20001060	Download	Analog and Interface Product Selector Guide
TC1303 DFN Adjustable Output Demo Board User's Guide User Guide	User Guide		Download	TC1303 DFN Adjustable Output Demo Board User's Guide

Tools And Software

Demo & Evaluation Boards

Tools
TC1303B BUCK REGULATOR LDO DEMO BOARD The TC1303B Dual-Output Regulator with Power-Good Output Demo Board can be used to evaluate the TC1303B device over the input voltage range and output current range for both the synchronous buck regulator output and the low-dropout linear regulator output. View Purchasing Options

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