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

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TC1303B-PF0EUN General Description

The TC1303B 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 output of the LDO regulator.

Microchip Technology, Inc Inventory

Key Features

  • Independent 300mA Low-Dropout Regulator
  • Power-good Monitor on the 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
Microchip Technology, Inc Original Stock


Category Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear + Switching Mfr Microchip Technology
Series - Package Tube
Product Status Active Topology Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
Number of Outputs 2 Frequency - Switching 2MHz
Voltage/Current - Output 1 1.8V, 500mA Voltage/Current - Output 2 2.8V, 300mA
Voltage/Current - Output 3 - w/LED Driver No
w/Supervisor No w/Sequencer Yes
Voltage - Supply 2.7V ~ 5.5V Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package 10-MSOP

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