TC7660SCOA-MICROCHIP-DC/DC Inductorless Adjustable Inverter, 1.5 V to 12 V in, -12 V to -1.5 V/20 mA out, SOIC-8


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SKU: 1880536
  1. : 8Pins
  2. : 0 to 70°C
  3. : Surface Mount
  4. : 20mA
  5. Input Voltage: 1.5 to 12V
  6. : SOIC


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Brand: Microchip
Category: Voltage Regulator ICs

The TC7660S device is a pin-compatible replacement for the industry standard 7660 charge pump voltage converter. It converts a +1.5V to +12V input to a corresponding -1.5V to -12V output using only two low-cost capacitors, eliminating inductors and their associated cost, size, and electromagnetic interference (EMI). Added features include an extended supply range to 12V, and a frequency boost pin for higher operating frequency, allowing the use of smaller external capacitors.
The onboard oscillator operates at a nominal frequency of 10 kHz. Frequency is increased to 45 kHz when pin 1 is connected to V+. Operation below 10 kHz (for lower supply current applications) is possible by connecting an external capacitor from OSC to the ground (with pin 1 open). The TC7660S is available in 8-pin PDIP and 8-pin Small Outline (SOIC) packages in commercial and extended temperature ranges.


  1. RS-232 Negative Power Supply
  2. Simple Conversion of +5V to ±5V Supplies
  3. Voltage Multiplication VOUT = ± n V+
  4. Negative Supplies for Data Acquisition Systems
    and Instrumentation


  1. Oscillator boost from 10 kHz to 45 kHz
  2. Converts +5V Logic Supply to ±5V System
  3. Wide Input Voltage Range: +1.5V to +12V
  4. Efficient Voltage Conversion (99.9%, typical)
  5. Excellent Power Efficiency (98%, typical)
  6. Low Power Consumption: 80 µA (typical) @ VIN = 5V
  7. Improved ESD Protection (10 kV HBM)

Package Includes:

1 x TC7660SCOA-MICROCHIP-DC/DC Inductorless Adjustable Inverter, 1.5 V to 12 V in, -12 V to -1.5 V/20 mA out, SOIC-8

SKU: 1880536 Category:
No. of Pins


Operating Temperature Max


Max Output Current (mA)


Input Voltage (V)

1.5 to 12

IC Mounting

Surface Mount

IC Case / Package


Shipping Weight 0.003 kg
Shipping Dimensions 5 × 5 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China