Features

? Input Voltage: +4.5V to +42V

? Can be configured with multiple topologies including

but not limited to:

- Flyback

- ?uk

- 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)

MCP19117-E/MQ屬于集成電路（IC） > PMIC - 穩(wěn)壓器 - DC DC 開關式控制器。微芯科技股份有限公司制造生產(chǎn)的MCP19117-E/MQDC-DC 開關控制器PMIC（電源管理集成電路）DC 到 DC 開關式控制器是用于高效率電路的穩(wěn)壓 IC，其配置為生成高于（突升或步升）或低于（突降或步降）輸入電源的輸出電源電壓。其他拓撲結構可能包括：降壓-升壓、反激、正激、Cuk、SEPIC、全橋、半橋和推挽式。這些器件不同于需要最小電壓并“燒盡”多余電壓的線性穩(wěn)壓器。