TC1303 Series

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

Catalog

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

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Part	Package / Case	Mounting Type	Number of Outputs	Voltage/Current - Output 2	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Voltage/Current - Output 1 [custom]	Voltage/Current - Output 1 [custom]	Voltage - Supply [Min]	Voltage - Supply [Max]	Topology	Frequency - Switching	Voltage/Current - Output 1	Package / Case [x]	Package / Case [x]	Voltage/Current - Output 1
Microchip Technology TC1303B-SA0EMF
Microchip Technology TC1303B-PI0EMFTR
Microchip Technology TC1303B-SH0EMFTR	10-VFDFN Exposed Pad	Surface Mount	2	2.6 V, 300 mA	85 °C	-40 °C	10-DFN (3x3)	1.5 V	500 mA	2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz
Microchip Technology TC1303B-PA0EUN	10-MSOP, 10-TFSOP	Surface Mount	2	3.3 V, 300 mA	85 °C	-40 °C	10-MSOP			2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz	1.8 V, 500 mA	3 mm	0.118 in
Microchip Technology TC1303B-ZS0EMF	10-VFDFN Exposed Pad	Surface Mount	2	1.5 V, 300 mA	85 °C	-40 °C	10-DFN (3x3)			2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz	500 mA			Adj
Microchip Technology TC1303A-ZP0EMFTR
Microchip Technology TC1303B-PD0EMFTR	10-VFDFN Exposed Pad	Surface Mount	2	3 V, 300 mA	85 °C	-40 °C	10-DFN (3x3)			2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz	1.8 V, 500 mA
Microchip Technology TC1303B-SE0EMFTR	10-VFDFN Exposed Pad	Surface Mount	2	2.9 V, 300 mA	85 °C	-40 °C	10-DFN (3x3)	1.5 V	500 mA	2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz
Microchip Technology TC1303C-ZA0EMF	10-VFDFN Exposed Pad	Surface Mount	2	3.3 V, 300 mA	85 °C	-40 °C	10-DFN (3x3)			2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz	500 mA			Adj
Microchip Technology TC1303B-ZI0EMF	10-VFDFN Exposed Pad	Surface Mount	2	2.5 V, 300 mA	85 °C	-40 °C	10-DFN (3x3)			2.7 V	5.5 V	Linear (LDO) (1), Step-Down (Buck) Synchronous (1)	2 MHz	500 mA			Adj

Catalog

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

Key Features

• * Independent 300mA Low-Dropout Regulator

• * Power-good Monitor on the Buck 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

Description

The TC1303A 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 buck regulator.