OPTION_REG datasheet(1/222 Pages) MICROCHIP

Part #	OPTION_REG

Description	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver

PDF	222 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2013 Microchip Technology Inc.

DS22331A-page 1

Synchronous Buck Features:

• Input Voltage: 4.5V to 32V

• Output Voltage: 0.5V to 3.6V

• Switching Frequency: 100 kHz to 1.6 MHz

• Quiescent Current: 5 mA Typical

• High-Drive:

- +5V Gate Drive

- 1A/2A Source Current

- 1A/2A Sink Current

• Low-Drive:

- +5V Gate Drive

- 2A Source Current

- 4A Sink Current

• Peak Current Mode Control

• Differential Remote Output Sense

• Multi-Phase Systems:

- Master or Slave

- Frequency Synchronized

- Common Error Signal

• Multiple Output Systems:

- Master or Slave

- Frequency Synchronized

• Configureable Parameters:

- Overcurrent Limit

- Input Under Voltage Lockout

- Output Overvoltage

- Output Under Voltage

- Internal Analog Compensation

- Soft Start Profile

- Synchronous Driver Dead Time

- Switching Frequency

• Thermal Shutdown

Microcontroller Features:

• Precision 8 MHz Internal Oscillator Block:

- Factory Calibrated

• Interrupt Capable

-Firmware

- Interrupt-on-Change Pins

• Only 35 Instructions to Learn

• 4096 Words On-Chip Program Memory

• High Endurance Flash:

- 100,000 write Flash Endurance

- Flash Retention: >40 years

• Watchdog Timer (WDT) with Independent

Oscillator for Reliable Operation

• Programmable Code Protection

• In-Circuit Debug (ICD) via Two Pins

• In-Circuit Serial Programming™ (ICSP™) via Two

Pins

• 14 I/O Pins and One Input-Only Pin

- 3 Open Drain Pins

• Analog-to-Digital Converter (ADC):

- 10-bit Resolution

- 12 Internal Channels

- 8 External Channels

• Timer0: 8-bit Timer/Counter with 8-Bit Prescaler

• Enhanced Timer1:

- 16-bit Timer/Counter with Prescaler

- 2 Selectable Clock Sources

• Timer2: 8-Bit Timer/Counter with Prescaler

- 8-bit Period Register

•

I2CTM Communication:

- 7-bit Address Masking

- 2 Dedicated Address Registers

- SMBus/PMBusTM Compatibility

MCP19111

Digitally Enhanced Power Analog Controller

with Integrated Synchronous Driver

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