Overview
The Texas Instruments LP2985AIM5-1.8/NOPB is a high-performance, low-dropout (LDO) linear voltage regulator designed to provide stable and low-noise output voltage. This regulator is part of the latest generation of LDO regulators, offering low quiescent current levels, reduced output noise, and excellent line voltage regulation. It is particularly suited for applications requiring high performance and reliability in battery-powered designs.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Maximum Output Current | 150 mA |
| Regulator Type | Low Dropout Voltage |
| Number of Outputs | 1 |
| Output Voltage | 1.8 V |
| Line Regulation | 0.014 %/V |
| Accuracy | ±2.5% |
| Mounting Type | Surface Mount |
| Polarity | Positive |
| Package Type | SOT-23 |
| Pin Count | 5 |
| Output Type | Fixed |
| Dimensions | 2.92 x 1.6 x 1.02 mm |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +125 °C |
| Minimum Input Voltage | 2.2 V |
| Maximum Input Voltage | 16 V |
| Voltage Dropout (Max) | 0.58 V @ 150 mA |
| Quiescent Current (Iq) | 95 µA |
| PSRR | 45 dB (1 kHz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
Key Features
- Wide Supply Voltage Range: 2.2 V to 16 V
- High Output Current: Ensured 150-mA output current
- Low Quiescent Current: Less than 1-µA quiescent current when shut down
- Stability with Low-ESR Capacitors: Stable with output capacitor ESR as low as 5 mΩ
- High Peak Current Capability: Enhanced peak current handling
- Low Noise: Output noise can be reduced to 30 µV (typical) with a 10-nF bypass capacitor
- Output Voltage Accuracy: 1% tolerance output voltages available (A grade)
- Protection Features: Overcurrent, overtemperature, and short-circuit protection
- Enable Feature: ON/OFF pin for enabling/disabling the regulator
Applications
The LP2985AIM5-1.8/NOPB is ideal for various applications requiring stable and low-noise voltage regulation, including:
- Battery-powered devices
- Portable electronics
- Wireless communication devices
- Medical devices
- Industrial control systems
Q & A
- What is the maximum output current of the LP2985AIM5-1.8/NOPB?
The maximum output current is 150 mA.
- What is the output voltage of the LP2985AIM5-1.8/NOPB?
The output voltage is fixed at 1.8 V.
- What is the operating temperature range of the LP2985AIM5-1.8/NOPB?
The operating temperature range is -40 °C to +125 °C.
- What is the maximum input voltage for the LP2985AIM5-1.8/NOPB?
The maximum input voltage is 16 V.
- Does the LP2985AIM5-1.8/NOPB have any protection features?
- What is the quiescent current when the regulator is shut down?
The quiescent current is less than 1 µA when shut down.
- Is the LP2985AIM5-1.8/NOPB stable with low-ESR capacitors?
- How can the output noise be reduced?
- What is the package type of the LP2985AIM5-1.8/NOPB?
The package type is SOT-23 with 5 pins.
- Does the LP2985AIM5-1.8/NOPB have an enable feature?
