Datenblatt-Suchmaschine für elektronische Bauteile |
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TC7660HEPA Datenblatt(PDF) 1 Page - Microchip Technology |
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TC7660HEPA Datenblatt(HTML) 1 Page - Microchip Technology |
1 / 8 page TC7660H-2 10/1/96 EVALUATION KIT AVAILABLE TC7660H © 2001 Microchip Technology Inc. DS21466A HIGH FREQUENCY 7660 DC-TO-DC VOLTAGE CONVERTER FEATURES s Pin Compatible with 7660, High Frequency Performance DC-to-DC Converter s Low Cost, Two Low Value External Capacitors Required ........................................................ (1.0 µF) s Converts +5V Logic Supply to ±5V System s Wide Input Voltage Range .................... 1.5V to 10V s Voltage Conversion ........................................ 99.7% s Power Efficiency ................................................ 85% s Available in 8-Pin SOIC and 8-Pin PDIP Packages GENERAL DESCRIPTION The TC7660H is a pin-compatible, high frequency up- grade to the Industry standard TC7660 charge pump volt- age converter. It converts a +1.5V to +10V input to a corresponding – 1.5V to – 10V output using only two low- cost capacitors, eliminating inductors and their associated cost, size and EMI. The TC7660H operates at a frequency of 120kHz (versus 10kHz for the TC7660), allowing the use of 1.0 µF external capacitors. Oscillator frequency can be reduced (for lower supply current applications) by connecting an external capacitor from OSC to ground. The TC7660H is available in 8-pin DIP and small outline (SOIC) packages in commercial and extended temperature ranges. FUNCTIONAL BLOCK DIAGRAM ORDERING INFORMATION Temperature Part No. Package Range TC7660HCOA 8-Pin SOIC 0 °C to +70°C TC7660HCPA 8-Pin Plastic DIP 0 °C to +70°C TC7660HEOA 8-Pin SOIC – 40 °C to +85°C TC7660HEPA 8-Pin Plastic DIP – 40 °C to +85°C TC7660EV Evaluation Kit for Charge Pump Family TC7660H GND INTERNAL VOLTAGE REGULATOR RC OSCILLATOR VOLTAGE– LEVEL TRANSLATOR ÷ 2 V + CAP + 82 7 6 OSC LV 3 LOGIC NETWORK VOUT 5 CAP – 4 NC CAP + GND CAP – VOUT LOW VOLTAGE (LV) OSC + V NC CAP + GND CAP – VOUT LOW VOLTAGE (LV) OSC + V NC = NO INTERNAL CONNECTION 8 7 6 5 1 2 3 4 1 8 2 7 3 6 4 5 TC7660HCPA TC7660HEPA TC7660HCOA TC7660HEOA PIN CONFIGURATION (DIP and SOIC) |
Ähnliche Teilenummer - TC7660HEPA |
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Ähnliche Beschreibung - TC7660HEPA |
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