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Order Information:
Part Number：MAX809LEUR+T
Manufacturer：Analog Devices Inc./Maxim Integrated
Category ：Integrated Circuits PMIC - Supervisors
Description ：IC SUPERVISOR 1 CHANNEL SOT23-3
Detailed Description：Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3
Type：Simple Reset/Power-On Reset
Output：Push-Pull, Totem Pole
Applications：Computers / Controllers / Intelligent Instruments / Critical μP and μC Power Monitoring / Portable/Battery-Powered Equipment / Automotive.
The MAX803/MAX809/MAX810 are microprocessor (μP) supervisory circuits used to monitor the power supplies in μP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or +2.5V powered circuits.
These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 140ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available.
The MAX803 has an open-drain output stage, while the MAX809/MAX810 have push-pull outputs. The MAX803’s open-drain RESET output requires a pullup resistor that can be connected to a voltage higher than VCC. The MAX803/MAX809 have an active-low RESET output, while the MAX810 has an active-high RESET output. The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed to be in the correct logic state for VCC down to 1V.
Low supply current makes the MAX803/MAX809/MAX810 ideal for use in portable equipment. The MAX803 is available in a 3-pin SC70 package, and the MAX809/ MAX810 are available in 3-pin SC70 or SOT23 packages.
Part Number：LM2594MX-5.0/NOPB
Manufacturer：Texas Instruments
Category ：Integrated Circuits PMIC - Voltage Regulators - DC DC Switching Regulators
Description ：IC REG BUCK 5V 500MA 8SOIC
Detailed Description：Buck Switching Regulator IC Positive Fixed 5V 1 Output 500mA 8-SOIC (0.154", 3.90mm Width)
Features：
• New product available: LMR36506 3-V to 65-V 0.6-A ultra-small synchronous buck converter
• 3.3-V, 5-V, 12-V, and adjustable output versions
• Adjustable version output voltage range: 1.2 V to 37 V (57-V for the HV version), ±4% maximum over line and load conditions
• Available in 8-pin surface-mount SOIC and 8-pin PDIP packages
• Ensured 0.5-A output current
• Input voltage range up to 60 V
• Requires only four external components
• 150-kHz Fixed-frequency internal oscillator
• TTL shutdown capability
• Low power standby mode, IQ typically 85 μA
• High efficiency
• Uses readily-available standard inductors
• Thermal shutdown and current-limit protection
• Start WEBENCH design with LM2594HV
Applications：Simple high-efficiency step-down (buck) regulator / Efficient preregulator for linear regulators / On-card switching regulators / Positive-to-negative convertor.
The LM2594xx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version, and are packaged in a 8-pin PDIP and a 8- pin surface-mount SOIC package.
Requiring a minimum number of external components, these regulators are simple to use and
feature internal frequency compensation, a fixedfrequency oscillator, and improved line and load regulation specifications.
Part Number：DSPIC30F5011-20-I/PT
Manufacturer：Microchip Technology
Category ： Integrated Circuits Embedded - Microcontrollers
Description ：IC MCU 16BIT 66KB FLASH 64TQFP
Detailed Description：dsPIC series Microcontroller IC 16-Bit 20 MIPS 66KB (22K x 24) FLASH 64-TQFP (10x10)
Connectivity：CANbus, I²C, SPI, UART/USART
Peripherals：AC'97, Brown-out Detect/Reset, I²S, LVD, POR, PWM, WDT
DSP Features：
• Dual data fetch
• Modulo and Bit-Reversed modes
• Two 40-bit wide accumulators with optional saturation logic
• 17-bit x 17-bit single cycle hardware fractional/integer multiplier
• All DSP instructions are single cycle
- Multiply-Accumulate (MAC) operation
• Single cycle ±16 shift
Peripheral Features：
• High-current sink/source I/O pins: 25 mA/25 mA
• Five 16-bit timers/counters; optionally pair up 16-bit timers into 32-bit timer modules
• 16-bit Capture input functions
• 16-bit Compare/PWM output functions
• Data Converter Interface (DCI) supports common audio codec protocols, including I2S and AC’97
• 3-wire SPI modules (supports four Frame modes)
• I2C™ module supports Multi-Master/Slave mode and 7-bit/10-bit addressing
• Two addressable UART modules with FIFO buffers
• Two CAN bus modules compliant with CAN 2.0B standard
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