DESCRIPTION
The TK11821 is a low power, low input voltage DC-DC converter. The device has been optimized for variable capacitance diode and PIN photodiode bias applications. It generates 10 Vdc and 24 Vdc output voltages from an input voltage as low as 0.9 V.

FEATURES
■ Very Low Noise
■ Very Small Size
■ Few External Components
■ Wide Supply Voltage Range (0.9 to 10 V)
■ Sinewave Oscillator
■ Selectable Output Voltages

APPLICATIONS
■ Variable Capacitance and PIN Photodiode Bias
■ Portable Instrumentation
■ Radio Control Systems
■ Mobile Radios
■ Cellular Telephones
■ Cordless Telephones
■ Fiberoptic Receivers
■ Local Area Network (LAN) Receivers
■ Battery Operated Equipment