TC7660S
Super Charge Pump DC-to-DC Voltage Converter
Features Oscillator boost from 10 kHz to 45 kHz
Converts +5V Logic Supply to В±5V System
Wide Input Voltage Range: +1.5V to +12V
Efficient Voltage Conversion (99.9%, typical)
Excellent Power Efficiency (98%, typical)
Low Power Consumption: 80 ВµA (typical) @ VIN = 5V
Low Cost and Easy to Use
-Only Two External Capacitors Required Available in 8-Pin Small Outline (SOIC) and 8-Pin
PDIP Packages Improved ESD Protection (10 kV HBM) No External Diode Required for High-Voltage
Operation Applications RS-232 Negative Power Supply
Simple Conversion of +5V to В±5V Supplies
Voltage Multiplication VOUT = В± n V+
Negative Supplies for Data Acquisition Systems
and Instrumentation Package Types
PDIP/SOIC
BOOST 1 CAP+ 2 GND 3 CAP-4 TC7660S 8 V+ 7 OSC 6 LOW
VOLTAGE (LV) 5 VOUT General Description
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 …