Datenblatt-Suchmaschine für elektronische Bauteile |
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TC962COE Datenblatt(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC962COE Datenblatt(HTML) 1 Page - TelCom Semiconductor, Inc |
1 / 5 page 4-37 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 HIGH CURRENT CHARGE PUMP DC-TO-DC CONVERTER TC962 PIN CONFIGURATIONS (DIP and SOIC) + 1 2 3 4 8 7 6 5 FREQ x 2 V ZENER CATHODE GND TC962CPA TC962EPA TC962IJA TC962MJA 1 2 3 4 5 6 7 8 16 13 12 11 10 9 NC GND COSC NC 15 14 NC NC NC TC962COE NC NC C – C DD COSC VOUT ZENER CATHODE NC + C – C VDD FREQ x 2 VOUT 8-Pin CerDIP 8-Pin DIP 16-Pin SOIC Wide • + – COMPARATOR WITH HYSTERESIS C F/F Q Q VREF LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT VDD P SW1 CAP CP EXTERNAL N SW4 N SW2 N SW3 CAP CR EXT RL V I I OSC/C – TIMING ZENER CATHODE FREQ X 2 + GND – OUT 8 2 3 OUT 5 4 7 1 6.4V 6 + + TC962 FEATURES s Pin Compatible With TC7662/ICL7662/SI7661 s High Output Current ....................................... 80mA s No External Diodes Required s Wide Operating Range ............................. 3V to 18V s Low Output Impedance ............................. 28 Ω Typ. s No Low Voltage Terminal Required s Application Zener On Chip s OSC Frequency Doubling Pin Option for Smaller Output Capacitors ORDERING INFORMATION Part No. Package Temp. Range TC962COE 16-Pin SOIC Wide 0 °C to +70°C TC962CPA 8-Pin Plastic DIP 0 °C to +70°C TC962EPA 8-Pin Plastic DIP – 40 °C to +85°C TC962IJA 8-Pin CerDIP – 25 °C to +85°C TC962MJA 8-Pin CerDIP – 55 °C to +125°C TC7660EV Evaluation Kit for Charge Pump Family GENERAL DESCRIPTION The TC962 is an advanced version of the industry- standard 7662 high-voltage DC-to-DC converter. Using improved design techniques and CMOS construction, the TC962 can source as much as 8mA versus the 7662’s 20mA capability. As an inverter, the TC962 can put out voltages as high as 18V and as low as 3V without the need for external diodes. The output impedance of the device is a low 28 Ω (with the proper capacitors), voltage conversion efficiency is 99.9%, and power conversion efficiency is 97%. The low voltage terminal (pin 6) required in some 7662 applications has been eliminated. Grounding this terminal will double the oscillator frequency from 12kHz to 24kHz. This will allow the use of smaller capacitors for the same output current and ripple, in most applications. Only two external capacitors are required for inverter applications. In the event an external clock is needed to drive the TC962 (such as paralleling), driving this pin directly will cause the internal oscillator to sync to the external clock. FUNCTIONAL BLOCK DIAGRAM EVALUATION KIT AVAILABLE TC962-8 9/16/96 |
Ähnliche Teilenummer - TC962COE |
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Ähnliche Beschreibung - TC962COE |
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