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LM2663 数据表(PDF) 3 Page - Texas Instruments |
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LM2663 数据表(HTML) 3 Page - Texas Instruments |
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3 / 25 page  LM2662, LM2663 www.ti.com SNVS002E – JANUARY 1999 – REVISED OCTOBER 2014 5 Pin Configuration and Functions 8 Pins 8 Pins LM2662 SOIC (D) LM2663 SOIC (D) Top View Top View Pin Functions PIN DESCRIPTION TYPE NUMBE NAME VOLTAGE INVERTER VOLTAGE DOUBLER R FC Frequency control for internal oscillator: (LM2662) Input FC = open, ƒOSC = 20 kHz (typ); 1 Same as inverter. FC = V+, ƒOSC = 150 kHz (typ); FC has no effect when OSC pin is driven externally. SD Shutdown control pin, tie this pin to the ground 1 Input Same as inverter. (LM2663) in normal operation. CAP+ Connect this pin to the positive terminal of 2 Power Same as inverter. charge-pump capacitor. 3 GND Ground Power supply ground input. Power supply positive voltage input. CAP − Connect this pin to the negative terminal of 4 Power Same as inverter. charge-pump capacitor. 5 OUT Power Negative voltage output. Power supply ground input. LV Low-voltage operation input. Tie LV to GND when input voltage is less than 3.5 V. Above 6 Input 3.5 V, LV can be connected to GND or left LV must be tied to OUT. open. When driving OSC with an external clock, LV must be connected to GND. OSC Oscillator control input. OSC is connected to an internal 15-pF capacitor. An external Same as inverter except that OSC cannot be 7 Input capacitor can be connected to slow the driven by an external clock. oscillator. Also, an external clock can be used to drive OSC. V+ Power Power supply positive voltage input. 8 Positive voltage output. Input Copyright © 1999–2014, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2662 LM2663 |
类似零件编号 - LM2663 |
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类似说明 - LM2663 |
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