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TC7662 Charge Pump DC to DC Voltage Converter IC
The TC7662 is an enhanced, high-efficiency charge pump DC-DC voltage converter IC designed to provide voltage inversion and voltage doubling without the need for inductors or magnetic components. Manufactured by Microchip Technology, it is an improved version of the TC7660, capable of operating at higher input voltages (up to 15V) and delivering higher output currents with lower output impedance.
The TC7662 is ideal for generating a negative voltage (-Vout) from a positive supply (+Vin), such as converting +12V to –12V. Its CMOS design ensures low power consumption, high efficiency, and quiet operation, making it perfect for use in mixed-signal, analog, and battery-powered applications.
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Features:-
- Wide Operating Range – 3V to 18V
- Increased Output Current (40mA)
- Pin Compatible with ICL7662/SI7661/TC7660/ LTC1044
- No External Diodes Required
- Low Output Impedance @ IL = 20mA
- No Low-Voltage Terminal Required
- CMOS Construction
- Available in 8-Pin PDIP and 8-Pin CERDIP Packages
Specification:-
| Parameter | Specification |
| Supply Voltage | +18V |
| Input Voltage | (VDD + 0.3) to (VSS – 0.3) |
| Current into Any Pin | 10mA |
| Output Short Circuit | Continuous |
| ESD Protection | ±2000V |
| Operating Temperature Range | 0°C to +70°C |
| Package Power Dissipation | 730mW |
Applications
- Generation of negative supply rails (for op-amps, data converters, and sensors)
- RS-232 interface power supplies
- Battery-powered and portable devices
- Operational amplifier dual-supply generation
- Data acquisition systems
- Analog bias voltage generation
- Instrumentation and measurement equipment
*Product image for illustration purposes only, actual product may vary.
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