The NCP115 is a high-performance 300 mA low dropout linear regulator designed for noise-sensitive, space-constrained, and battery-powered applications. It offers high power supply ripple rejection over 70 dB at 1 kHz, low quiescent current typ. 50 μA, and excellent transient response. Equipped with thermal shutdown, current limit protections, and active discharge functionality in certain variants, it operates with input voltages from 1.7 V to 5.5 V and provides a stable, accurate output in a compact package, making it ideal for portable electronics, medical devices, and wireless equipment.
Available in Fixed Voltage Options: 0.8 V to 3.6 V (Contact Factory for Other Voltage Options)
Very Low Quiescent Current: Typ. 50 μA
Dropout Voltage: 250 mV Typical at 300 mA @ 2.8 V
High Power Supply Ripple Rejection: 70 dB at 1 kHz
Thermal Shutdown and Current Limit Protections
Stable with a 1 μF Ceramic Output Capacitor
Package Options: XDFN4 and TSOP-5
Maximum Junction Temperature: 150°C
Safe Operating Area: Vin up to 6 V, Vout up to Vin ± 0.3 V
Peak Output Current: 600 mA (limit within device)
Enable Pin with logic control: >0.9 V enabled, <0.4 V shutdown
Reverse current via body diode when Vout > Vin
Low ESR Output Capacitors: Less than 1.8 Ω maximum ESR recommended
Designed for high PSRR, low noise, fast load/transient response
Buy the ON Semiconductor NCP115 – Reliable Low Dropout Regulator for Industrial Applications
Enhance your electronic designs with the ON Semiconductor NCP115 series low dropout regulator, offering high PSRR, ultra-low quiescent current, and stable operation over a wide input voltage range. These devices feature thermal protection, current limit, and are compatible with small ceramic output capacitors, making them ideal for portable devices, medical equipment, and wireless applications. Easy to implement and highly reliable, order your NCP115 regulator online today to ensure efficient power management and superior performance in your projects.
Order your ON Semiconductor NCP115 series advanced 300 mA low dropout regulator today and ensure your portable and noise-sensitive projects perform reliably with stable power delivery.
Frequently Asked Questions
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