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TC7660 Fiches technique(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC7660 Fiches technique(HTML) 1 Page - TelCom Semiconductor, Inc |
1 / 9 page 4-51 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 TC7660 CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER FEATURES s Converts +5V Logic Supply to ±5V System s Wide Input Voltage Range .................... 1.5V to 10V s Efficient Voltage Conversion ......................... 99.9% s Excellent Power Efficiency ............................... 98% s Low Power Supply ............................... 80 µA @ 5V IN s Low Cost and Easy to Use — Only Two External Capacitors Required s RS232 Negative Power Supply s Available in Small Outline (SO) Package s Improved ESD Protection ....................... Up to 3kV s No Dx Diode Required for High Voltage Operation GENERAL DESCRIPTION The TC7660 is a pin-compatible replacement for the Industry standard TC7660 charge pump voltage converter. It converts a +1.5V to +10V input to a corresponding – 1.5V to – 10V output using only two low-cost capacitors, eliminat- ing inductors and their associated cost, size and EMI. The on-board oscillator operates at a nominal fre- quency of 10kHz. Operation below 10kHz (for lower supply current applications) is possible by connecting an external capacitor from OSC to ground (with pin 1 open). The TC7660 is available in both 8-pin DIP and 8-pin SOIC packages in commercial and extended temperature ranges. ORDERING INFORMATION Temperature Part No. Package Range TC7660COA 8-Pin SOIC 0 °C to +70°C TC7660CPA 8-Pin Plastic DIP 0 °C to +70°C TC7660EOA 8-Pin SOIC – 40 °C to +85°C TC7660EPA 8-Pin Plastic DIP – 40 °C to +85°C TC7660IJA 8-Pin CerDIP – 40 °C to +85°C TC7660MJA 8-Pin CerDIP – 55 °C to +125°C TC7660EV Evaluation Kit for Charge Pump Family FUNCTIONAL BLOCK DIAGRAM 1 2 3 4 8 7 6 5 TC7660CPA TC7660EPA TC7660IJA NC CAP + GND CAP – NC CAP + GND CAP – VOUT LOW VOLTAGE (LV) OSC + V VOUT LOW VOLTAGE (LV) OSC + V NC = NO INTERNAL CONNECTION 1 2 3 4 8 7 6 5 TC7660COA TC7660CPA TC7660 GND INTERNAL VOLTAGE REGULATOR RC OSCILLATOR VOLTAGE– LEVEL TRANSLATOR ÷ 2 V + CAP + 82 7 6 OSC LV 3 LOGIC NETWORK VOUT 5 CAP – 4 PIN CONFIGURATION (DIP and SOIC) TC7660-7 9/30/96 EVALUATION KIT AVAILABLE |
Numéro de pièce similaire - TC7660 |
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Description similaire - TC7660 |
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