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ON Semiconductor
NCP623_04 Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control

Housed in a Micro8™ or QFN6 package, the NCP623 delivers up to 150 mA where it exhibits a typical 180 mV dropout. With an incredible noise level of 25 μVRMS (over 100 Hz to 100 kHz, with a 10 nF bypass capacitor), the NCP623 represents the ideal choice for sensitive circuits, especially in portable applications where noise performance and space are premium. The NCP623 also excels in response time and reacts in less than 25 μs when receiving an OFF to ON signal (with no bypass capacitor).
Due to a novel concept, the NCP623 accepts output capacitors without any restrictions regarding their Equivalent Series Resistance (ESR) thus offering an obvious versatility for immediate implementation. With a typical DC ripple rejection better than −90 dB (−70 dB @ 1.0 kHz), it naturally shields the downstream electronics against choppy power lines.
Additionally, thermal shutdown and short−circuit protection provide the final product with a high degree of ruggedness.

• Very Low Quiescent Current 170 μA (ON, no load), 100 nA
   (OFF, no load)
• Very Low Dropout Voltage, Typical Value is 137 mV at an Output
   Current of 100 mA
• Very Low Noise with External Bypass Capacitor (10 nF),
   Typically 25 μVrms over 100 Hz to 100 kHz
• Internal Thermal Shutdown
• Extremely Tight Line Regulation Typically −90 dB
• Ripple Rejection −70 dB @ 1.0 kHz
• Line Transient Response: 1.0 mV for ΔVin = 3.0 V
• Extremely Tight Load Regulation, Typically 20 mV at ΔIout = 150 mA
• Multiple Output Voltages Available
• Logic Level ON/OFF Control (TTL−CMOS Compatible)
• ESR can vary from 0 to 3.0 Ω

• All Portable Systems, Battery Powered Systems, Cellular
   Telephones, Radio Control Systems, Toys and Low Voltage Systems

other parts : NCP623DM-3.3R2  NCP623DM_04  NCP623MN_04  NCP623DM-4.0R2  NCP623DM-5.0R2  NCP623MN-3.3R2  NCP623MN-4.0R2  NCP623MN-5.0R2  
NCP623_04 PDF


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