Datenblatt-Suchmaschine für elektronische Bauteile |
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TC660 Datenblatt(PDF) 4 Page - TelCom Semiconductor, Inc |
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TC660 Datenblatt(HTML) 4 Page - TelCom Semiconductor, Inc |
4 / 8 page 4-8 TELCOM SEMICONDUCTOR, INC. TC660 100mA CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER TYPICAL CHARACTERISTICS (Cont.) Oscillator Frequency vs. External Capacitance 13) 11) 12) Oscillator Frequency vs. Temperature Oscillator Frequency vs. Temperature TEMPERATURE ( °C) TEMPERATURE ( °C) 100 80 60 40 20 0 -40 20 40 -20 0 100 60 80 CAPACITANCE (pF) 100 10 1 0.1 0.01 12 5 20 10 10000 2000 100 500 FC = V+ FC = OPEN Oscillator Frequency vs. Supply Voltage 10) SUPPLY VOLTAGE (V) 100 80 60 40 20 0 1.0 2.0 1.5 2.5 3.0 3.5 4.0 4.5 5.0 5.5 LV GROUNDED FC = V+, OSC = OPEN LV OPEN FC = V+, OSC = OPEN TC7660 and TC660 Output Voltage and Power Efficiency vs. Load Current, V+ = 5V 14) LOAD CURRENT (mA) -3.0 -3.4 -3.8 -4.2 -4.6 -5.0 0 2.0 60 40 100 80 100 92 84 76 68 60 TC660 TC7660 EFF VOUT TC7660 TC660 12 10 8 6 4 2 0 0 20 40 -20 -40 80 60 100 FC= OPEN, OSC = OPEN PIN DESCRIPTION Pin No. Symbol Description 1 FC Internal Oscillator frequency control. f ≈ 10 kHz when FC ≈ OPEN; ≈ 90 kHz when FC = V+. FC has no effect if OSC is overdriven. 2 CAP+ External capacitor, + terminal 3 GND Power-Supply Ground (Inverter) or Positive Input (Doubler) 4 CAP– External capacitor, – terminal 5VOUT Negative Voltage output (Inverter) or Ground (Doubler) 6 LV "Low-Voltage" pin. Connect to GND Pin for inverter operation when VIN < 3V; leave open or GND above 3V. When overdriving OSC, connect to GND. 7 OSC For external control of internal OSC. Connect ext. C from OSC to GND (close to pkg.) to reduce frequency of oscillator 8V+ Positive Voltage Input (Inverter) or Output (Doubler) |
Ähnliche Teilenummer - TC660 |
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Ähnliche Beschreibung - TC660 |
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