MCP1624 Series

500kHz 425mA Isw Synchronous PFM/PWM Boost Regulator

Catalog

500kHz 425mA Isw Synchronous PFM/PWM Boost Regulator

Part	Mounting Type	Package / Case	Applications	Voltage - Output [Min]	Voltage - Output [Max]	Supplier Device Package	Voltage - Input [Max]	Voltage - Input [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Number of Outputs
Microchip Technology MCP1624T-I/CHY	Surface Mount	SOT-23-6	Converter PIC® Microcontrollers	2 V	5.5 V	SOT-23-6	5.5 V	0.8 V	85 °C	-40 °C	1
Microchip Technology MCP1624-I/MC	Surface Mount	8-VFDFN Exposed Pad	Converter PIC® Microcontrollers	2 V	5.5 V	8-DFN (2x3)	5.5 V	0.8 V	85 °C	-40 °C	1
Microchip Technology MCP1624T-I/MC	Surface Mount	8-VFDFN Exposed Pad	Converter PIC® Microcontrollers	2 V	5.5 V	8-DFN (2x3)	5.5 V	0.8 V	85 °C	-40 °C	1

Catalog

500kHz 425mA Isw Synchronous PFM/PWM Boost Regulator

Key Features

• * Up to 96% Typical Efficiency

• * IOUT > 50 mA @ 1.2V VIN, 3.3V VOUT

• * IOUT > 175 mA @ 2.4V VIN, 3.3V VOUT

• * IOUT > 175 mA @ 3.3V VIN, 5.0V VOUT

• * Low Start-up Voltage: 0.65V

• * Operating Input Voltage: 0.35V to 5.5V

• * Adjustable Output Voltage Range: 2.0V to 5.5V

• * Maximum Input Voltage < VOUT < 5.5V

• * Automatic PFM/PWM Operation

• * PWM Operation at 500 kHz

• * Low Device Quiescent Current: 19 µA – typical PFM Mode

• * Shutdown Current (All States): < 1 µA

• * Internal Synchronous Rectifier

• * Internal Compensation

• * Inrush Current Limiting and Internal Soft-Start

• * True Load Disconnect Shutdown

• * Low Noise, Anti-Ringing Control

• * Over-temperature Protection

• * Small Form Factor SOT23-6 Packaging

Description

The MCP1624/3 are compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converters. Both provide an easy-to-use power supply solution for applications powered by either one/two/three-cell alkaline, NiCd, NiMH, one-cell Li-Ion or Li-Polymer batteries. The MCP1624/3 can be paired with any PIC® microcontroller bringing flexible intelligence to any single cell or low voltage application.