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SP782 数据表(PDF) 4 Page - Sipex Corporation |
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SP782 数据表(HTML) 4 Page - Sipex Corporation |
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4 / 16 page ![]() 4 SP782/SP784 DS/08 SP782/784 Programmable Charge Pump © Copyright 2000 Sipex Corporation AC CHARACTERISTICS* (Typical @ 25 °C and nominal supply voltages unless otherwise noted) PARAMETER MIN. TYP. MAX. UNITS CONDITIONS SP782 POWER-UP DELAY TIME ±10V OUTPUT t DVDD; VDD Power On Delay 1000 µsR L = 1kΩ t DVSS; VSS Power-On Delay 1000 µsR L = 1kΩ ±5V OUTPUT t DVDD; VDD Power On Delay 10 µsR L = 1kΩ t DVSS; VSS Power-On Delay 150 µsR L = 1kΩ SP782 OUTPUT DELAY TIME t SD1; Switching Delay 1000 µsR L = 1kΩ from ±10V to ±5V t SD2; Switching Delay 500 µsR L = 1kΩ from ±5V to ±10V SP784 POWER-UP DELAY TIME ±10V OUTPUT t DVDD; VDD Power On Delay 5 ms R L = 1kΩ t DVSS; VSS Power-On Delay 5 ms R L = 1kΩ ±5V OUTPUT t DVDD; VDD Power On Delay 10 µsR L = 1kΩ t DVSS; VSS Power-On Delay 1000 µsR L = 1kΩ SP784 OUTPUT DELAY TIME t SD1; Switching Delay 10 ms R L = 1kΩ from ±10V to ±5V t SD2; Switching Delay 2 ms R L = 1kΩ from ±5V to ±10V * - Using the charge pump capacitor values specified in the previous pages for each device. Figure 1. Charge Pump Waveforms –10V +10V C 2 + C 2 – (a) (b) C 2 + +5V GND GND C 2 – –5V GND GND |
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