Overview
The NCP177AMX180TCG is a high-performance 500 mA low dropout linear regulator (LDO) produced by onsemi. This CMOS LDO regulator is designed to deliver excellent noise and dynamic performance, making it an ideal choice for powering precision and noise-sensitive circuitry in various applications. The device features a wide operating input voltage range from 1.6 V to 5.5 V and an adjustable output voltage range from 0.7 V to 3.6 V. It is known for its low quiescent current, high output voltage accuracy, and robust protection mechanisms such as over-current protection and thermal shutdown.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Input Voltage Range | 1.6 to 5.5 | V |
| Output Voltage Range | 0.7 to 3.6 | V |
| Output Current | 500 | mA |
| Quiescent Current (typ.) | 60 | μA |
| Dropout Voltage (typ. at 500 mA) | 200 | mV |
| Output Voltage Accuracy | ±0.8% | |
| Thermal Shutdown Temperature | 175 | °C |
| Package Type | XDFN4 (1 mm x 1 mm x 0.4 mm) |
Key Features
- Low dropout voltage of 200 mV typical at 500 mA output current.
- High output voltage accuracy of ±0.8%.
- Low quiescent current of 60 μA typical.
- Stable operation with small 1 μF ceramic capacitors.
- Over-current protection and thermal shutdown protection.
- Logic enable pin for ON/OFF control of the output voltage.
- Active discharge function (NCP177A version) to quickly discharge the output capacitor when the device is disabled.
- Low noise of 48 μVRMS and high power supply rejection ratio (PSRR) of 75 dB at 1 kHz.
Applications
- Battery-powered equipment.
- Portable communication equipment.
- Cameras, image sensors, and camcorders.
- Precision and noise-sensitive circuitry in various portable applications.
Q & A
- What is the operating input voltage range of the NCP177AMX180TCG?
The operating input voltage range is from 1.6 V to 5.5 V.
- What is the output voltage range of the NCP177AMX180TCG?
The output voltage range is from 0.7 V to 3.6 V.
- What is the typical quiescent current of the NCP177AMX180TCG?
The typical quiescent current is 60 μA.
- Does the NCP177AMX180TCG have over-current protection?
Yes, it has over-current protection.
- What is the thermal shutdown temperature of the NCP177AMX180TCG?
The thermal shutdown temperature is 175°C.
- What package type is the NCP177AMX180TCG available in?
The device is available in an XDFN4 package (1 mm x 1 mm x 0.4 mm).
- Does the NCP177AMX180TCG have an active discharge function?
Yes, the NCP177A version has an active discharge function.
- What is the power supply rejection ratio (PSRR) of the NCP177AMX180TCG at 1 kHz?
The PSRR is 75 dB at 1 kHz.
- What are some typical applications of the NCP177AMX180TCG?
Typical applications include battery-powered equipment, portable communication equipment, cameras, image sensors, and camcorders.
- How does the enable pin control the output voltage of the NCP177AMX180TCG?
The enable pin (EN) controls the output voltage; when EN is high (> 1.0 V), the device is enabled, and when EN is low, the device is disabled.
