MCP19117T-ESLASHMQ中文资料微芯科技数据手册PDF规格书

Features

• Input Voltage: +4.5V to +42V

• Can be configured with multiple topologies including

but not limited to:

- Flyback

- Ćuk

- Boost

- SEPIC (Single-Ended Primary-Inductor

Converter)

• Capable of Quasi-Resonant or Fixed-Frequency

Operation

• Low Quiescent Current: 5 mA Typical

• Low Sleep Current: 50 μA Typical

• Low-Side Gate Drivers:

- +5V gate drive with 0.5A sink/source current

- +10V gate drive with 1A sink/source current

• Peak Current Mode Control

• Differential Remote Output Sense

• Multiple Output Systems:

- Master or Slave

• AEC-Q100 Qualified

• Configurable Parameters:

- VREF, Precision IOUT/VOUT Set Point (DAC)

- ADC Reference Switch (VDD or AVDD)

- Input Undervoltage Lockout (UVLO)

- Input Overvoltage Lockout (OVLO)

- Detection and protection

- Primary current leading edge blanking (0 ns,

50 ns, 100 ns and 200 ns)

- Gate drive dead time (16 ns to 256 ns)

- Fixed switching frequency range:

31.25 kHz to 2.0 MHz

- Slope compensation

- Quasi-Resonant configuration with built-in

comparator and programmable offset voltage

adjustment

- Primary current offset adjustment

- GPIO pin options

• Integrated Low-Side Differential Current-Sense

Amplifier

• Better than 5% Current Regulation

• Thermal Shutdown

Microcontroller Features

• Precision 8 MHz Internal Oscillator Block:

- Factory-calibrated to ±1%, typical

• Interrupt-Capable:

- Firmware

- Interrupt-on-change pins

• Only 35 Instructions to Learn

• 8192 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 Serial Programming™ (ICSP™) via Two

Pins

• Eight I/O Pins and One Input-Only Pin:

- Two open-drain pins

• Analog-to-Digital Converter (ADC):

- 10-bit resolution

- Five external channels

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

• Enhanced Timer1:

- 16-bit timer with prescaler

- Two selectable clock sources

• Timer2: 8-Bit Timer with Prescaler:

- 8-bit period register

• I2C Communication:

- 7-bit address masking

- Two dedicated address registers

• Addressable Universal Synchronous Receiver

Transmitter (AUSART) Modes

- Asynchronous (Full Duplex)

- Synchronous - Master (Half Duplex)

- Synchronous - Slave (Half Duplex)