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FEATURES
• Simple Voltage Conversion, Including – Negative Converter – Voltage Doubler
• Wide Operating Range…1.5 V to 10 V • Requires Only Two External (Noncritical)
Capacitors • No External Diode Over Full Temperature and
Voltage Range • Typical Open-Circuit Voltage Conversion
Efficiency…99.9% • Typical Power Efficiency…98% • Full Testing at 3 V
TL7660 CMOS VOLTAGE CONVERTER
SCAS794 – JUNE 2006
APPLICATIONS
• On-Board Negative Supplies • Data-Acquisition Systems • Portable Electronics
D, DGK, OR P PACKAGE (TOP VIEW)
NC 1 CAP+ 2 GND 3 CAP− 4
8
V CC
7 OSC
6 LV
5
V OUT
NC − No internal connection
DESCRIPTION/ORDERING INFORMATION
The TL7660 is a CMOS switched-capacitor voltage converter that perform supply-voltage conversions from positive to negative.