MICROCHIP MCP1640T Импульсные регуляторы

MICROCHIP

MCP1640T

MCP1640T Лист данных

Категория продукта

Регуляторынапряжения Импульсные регуляторы

приложение

One, Two and Three Cell Alkaline and NiMH/NiCd

Portable Products

спецификация

• Up to 96% Typical Efficiency

• 800 mA Typical Peak Input Current Limit:

- IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT

- IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT

- IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT

• Low Start-up Voltage: 0.65V, typical 3.3V VOUT

@ 1 mA

• Low Operating Input Voltage: 0.35V, typical

3.3VOUT @ 1 mA

• Adjustable Output Voltage Range: 2.0V to 5.5V

• Maximum Input Voltage  VOUT < 5.5V

• Automatic PFM/PWM Operation (MCP1640C):

- PFM Operation Disabled (MCP1640B/D)

- PWM Operation: 500 kHz

• Low Device Quiescent Current: 19 µA, typical

PFM Mode

• Internal Synchronous Rectifier

• Internal Compensation

• Inrush Current Limiting and Internal Soft-Start

• Selectable, Logic Controlled, Shutdown States:

- True Load Disconnect Option (MCP1640B)

- Input to Output Bypass Option (MCP1640C/D)

• Shutdown Current (All States): < 1 µA

• Low Noise, Anti-Ringing Control

• Overtemperature Protection

• Available Packages:

- 6-Lead SOT23

- 8-Lead 2x3 DFN

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