LM3914 Dot or Bar Display Driver IC
- Drives LEDs, LCDs or vacuum fluorescents
- Bar or dot display mode externally selectable by user
- Expandable to displays of 100 steps
- Internal voltage reference from 1.2V to 12V
- Operates with single supply of less than 3V
- Inputs operate down to ground
- Output current programmable from 2 mA to 30 mA
- No multiplex switching or interaction between outputs
- Input withstands ±35V without damage or false outputs
- LED driver outputs are current regulated, open-collectors
- Outputs can interface with TTL or CMOS logic
- The internal 10-step divider is floating and can be referenced to a wide range of voltages
LM324N Quad Operational Amplifier IC
MOQ: 2 nos
- Low Power Quad Operational Amplifier
- Input Offset Voltage (max): 7mV
- Input Offset Current (max): 50nA
- Input Bias Current (max): 250nA
- Operating temperature (max): 700C
- Output Current (max): 2mA
- CMRR (min): 65dB
- Eliminates Need for Dual Supplies
- Four Internally Compensated Op Amps in a Single Package
- Allows Direct Sensing Near GND and VOUT also Goes to GND
- Compatible With All Forms of Logic
- Power Drain Suitable for Battery Operation
- In the Linear Mode the Input Common-Mode, Voltage Range Includes Ground and the Output Voltage
- Can Swing to Ground, Even Though Operated from Only a Single Power Supply Voltage
- Unity Gain Cross Frequency is Temperature Compensated
- Input Bias Current is Also Temperature Compensated
PIC16F688 Microcontroller IC
- Maximum CPU Frequency: 20 MHz
- Architecture: 8 bit
- Program Memory (Flash): 7 kB
- RAM: 256 byte
- Internal Oscillator: 8 MHz, 32 KHz
- ADC: 1 (8 channels)
- No. of Pins: 14
- Voltage: 2V - 5.5V
- Precision Internal Oscillator:
- Power-Saving Sleep mode
- Wide operating voltage range (2.0V-5.5V)
- Industrial and Extended temperature range
- Power-on Reset (POR)
- Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
- Brown-out Reset (BOR) with software control option
- Multiplexed Master Clear with weak pull-up or input only pin
- Programmable code protection
- High-Endurance Flash/EEPROM cell:
- Standby Current:
- Operating Current:
- Watchdog Timer Current:
7915 Negative Voltage Regulator IC
7812 12V Positive Voltage Regulator IC
MOQ: 2 nos
- Output Voltage (max): 12V
- Line Regulation (max): 240mV
- Load Regulation (max): 240mV
- Dropout Voltage: 2V
- Output Resistance: 18mΩ
- Output current in excess of 1A n Internal thermal overload protection.
- No external components required
- Output transistor safe area protection.
- Internal short circut current limit .
- Available in the aluminum TO-3 package
TOP258PN Off-line Switcher IC
TOP249YN Off-line Switcher IC
TOP257YN Off-line Switcher IC
TOP245YN Off-line Switcher IC
TNY276PN Off-line Switcher IC
- Drain Voltage: -0.3 to 700V
- Drain Peak Current: 720mA
- ENABLE Voltage: -0.3 to 9V
- ENABLE Current: 100mA
- ON State Resistance (max): 16Ω
- Simple ON/OFF control, no loop compensation needed
- ON-time extension – extends low line regulation range/hold-up time to reduce input bulk capacitance
- Frequency jittering reduces EMI filter costs
- Pin-out simplifies heat sinking to the PCB
- SOURCE pins are electrically quiet for low EMI
- Package: DIP-8B
TNY176PN Off-line Switcher IC
- Drain Voltage: -0.3 to 650V
- Drain Peak Current: 720mA
- ENABLE Voltage: -0.3 to 9V
- ENABLE Current: 100mA
- ON State Resistance (max): 16Ω
- Energy Efficient, Offline Switcher with Enhanced Flexibility and Extended Power Range
- 650 V rating optimized for non-active PFC applications
- Simple ON/OFF control, no loop compensation needed
- Pin-out simplifies heat sinking to the PCB
- SOURCE pins are electrically quiet for low EMI
- Package: DIP-8C
