Overview
The LP2985IM5X-3.0/NOPB is a fixed-output, ultra-low-dropout (LDO) voltage regulator produced by Texas Instruments. This device is designed to deliver exceptional performance for battery-powered applications, offering a wide input voltage range and low noise characteristics. The LP2985IM5X-3.0/NOPB is part of the LP2985-N family, which is known for its high accuracy, low quiescent current, and robust protection features.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | LP2985IM5X-3.0/NOPB | |
| Package | SOT-23-5 (DBV) | |
| Output Voltage | 3.0 V | V |
| Output Current | Up to 150 mA | mA |
| Input Voltage Range | 2.5 V to 16 V | V |
| Dropout Voltage | Typical 300 mV at 150 mA load | mV |
| Quiescent Current | 71 µA at I_LOAD = 0 mA, 750 µA at I_LOAD = 150 mA | µA |
| Output Voltage Accuracy | ±1% for new chip, ±1.5% for standard-grade legacy chip | % |
| Operating Junction Temperature Range | -40°C to 125°C | °C |
| Noise | 30 µV RMS with 10-nF bypass capacitor | µV RMS |
| PSRR | 70 dB at 1 kHz, 40 dB at 1 MHz | dB |
Key Features
- Ultra-low-dropout voltage: Typical dropout of 300 mV at 150-mA load current and 7 mV at 1-mA load.
- Low quiescent current: 71 µA at I_LOAD = 0 mA, 750 µA at I_LOAD = 150 mA.
- High output voltage accuracy: ±1% for new chip, ±1.5% for standard-grade legacy chip.
- Low noise: 30 µV RMS with 10-nF bypass capacitor.
- High PSRR: 70 dB at 1 kHz, 40 dB at 1 MHz.
- Stable with low-ESR output capacitors.
- Overcurrent and overtemperature protection.
- Shutdown current: 0.05 µA (typ) for legacy chip, 1.12 µA (typ) for new chip.
- Compact SOT-23-5 package.
Applications
- Cellular phones.
- Palmtop and laptop computers.
- Personal Digital Assistants (PDA).
- Camcorders, personal stereos, and cameras.
- Battery-powered devices requiring low noise and high accuracy voltage regulation.
Q & A
- What is the output voltage of the LP2985IM5X-3.0/NOPB?
The output voltage of the LP2985IM5X-3.0/NOPB is 3.0 V.
- What is the maximum output current of the LP2985IM5X-3.0/NOPB?
The maximum output current is up to 150 mA.
- What is the input voltage range of the LP2985IM5X-3.0/NOPB?
The input voltage range is from 2.5 V to 16 V.
- What is the typical dropout voltage of the LP2985IM5X-3.0/NOPB?
The typical dropout voltage is 300 mV at a 150-mA load current.
- What is the quiescent current of the LP2985IM5X-3.0/NOPB?
The quiescent current is 71 µA at I_LOAD = 0 mA and 750 µA at I_LOAD = 150 mA.
- What is the output voltage accuracy of the LP2985IM5X-3.0/NOPB?
The output voltage accuracy is ±1% for the new chip and ±1.5% for the standard-grade legacy chip.
- What is the operating junction temperature range of the LP2985IM5X-3.0/NOPB?
The operating junction temperature range is -40°C to 125°C.
- Does the LP2985IM5X-3.0/NOPB have overcurrent and overtemperature protection?
- What is the noise level of the LP2985IM5X-3.0/NOPB with a bypass capacitor?
The noise level is 30 µV RMS with a 10-nF bypass capacitor.
- What package type is the LP2985IM5X-3.0/NOPB available in?
The LP2985IM5X-3.0/NOPB is available in a 5-pin SOT-23-5 (DBV) package.
