Overview
The NCP584HSN12T1G is a Tri-Mode 200 mA CMOS Low Drop Out (LDO) Regulator produced by onsemi. This device is designed for portable battery-powered applications, offering precise output voltage accuracy, low quiescent current, and high ripple rejection. It features an enable function that significantly reduces current consumption and operates in three modes: Chip Enable (CE mode), Fast Transient Mode (FT mode), and Low Power Mode (LP mode). The device is packaged in a SOT23-5 package and is Pb-free, making it suitable for a variety of modern electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage (Vin) | 1.4 - 6.0 | V |
| Output Voltage (Vout) | 1.2 | V |
| Output Current (Iout) | Up to 200 | mA |
| Dropout Voltage (VDO) | 300 mV at 200 mA | V |
| Line Regulation | 0.05%/V (FT Mode), 0.10%/V (LP Mode) | %/V |
| Load Regulation | 10 mV (FT Mode), 20 mV (LP Mode) | mV |
| Output Voltage Accuracy | ±2% (±3% LP Mode) | % |
| Quiescent Current (Iq) | 40 µA (FT Mode), 3.5 µA (LP Mode) | µA |
| Shutdown Current | 0.1 µA | µA |
| Ripple Rejection Ratio | 75 dB at f = 1.0 kHz | dB |
| Operating Ambient Temperature Range | -40 to +85 | °C |
| Maximum Junction Temperature | 125 | °C |
Key Features
- Tri-mode operation: Chip Enable (CE mode), Fast Transient Mode (FT mode), and Low Power Mode (LP mode)
- Low dropout voltage: 300 mV at 200 mA for 1.2 V output
- Excellent line and load regulation
- High output voltage accuracy: ±2% (±3% in LP mode)
- Ultra-low quiescent current: 3.5 µA in LP mode and 40 µA in FT mode
- Very low shutdown current: 0.1 µA
- High ripple rejection ratio: 75 dB at 1 kHz
- Fold back protection circuit
- Input voltage up to 6.5 V
- Pb-free device
Applications
- Portable equipment
- Hand-held instrumentation
- Camcorders and cameras
Q & A
- What is the primary function of the NCP584HSN12T1G? The NCP584HSN12T1G is a Tri-Mode 200 mA CMOS Low Drop Out (LDO) Regulator designed for precise voltage regulation in portable battery-powered applications.
- What are the three operating modes of the NCP584HSN12T1G? The device operates in Chip Enable (CE mode), Fast Transient Mode (FT mode), and Low Power Mode (LP mode).
- What is the typical output voltage of the NCP584HSN12T1G? The typical output voltage is 1.2 V.
- What is the maximum output current of the NCP584HSN12T1G? The maximum output current is 200 mA.
- What is the dropout voltage for the NCP584HSN12T1G at 200 mA? The dropout voltage is 300 mV at 200 mA for a 1.2 V output.
- How does the enable function affect the current consumption of the NCP584HSN12T1G? The enable function significantly reduces current consumption when the device is in shutdown mode.
- What is the recommended input decoupling capacitor for the NCP584HSN12T1G? A 1.0 µF tantalum capacitor is recommended between Vin and GND.
- What is the recommended output decoupling capacitor for the NCP584HSN12T1G? A 2.2 µF or higher tantalum capacitor with low ESR is recommended on the Vout pin.
- What is the operating temperature range of the NCP584HSN12T1G? The operating ambient temperature range is -40 to +85 °C.
- Is the NCP584HSN12T1G Pb-free? Yes, the NCP584HSN12T1G is a Pb-free device.
- What package type is the NCP584HSN12T1G available in? The device is packaged in a SOT23-5 package.
