LP2985IM5-1.5
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National Semiconductor LP2985IM5-1.5

Manufacturer No:
LP2985IM5-1.5
Manufacturer:
National Semiconductor
Package:
Bulk
Description:
IC REG LINEAR FIXED LDO REG
Delivery:
Payment:
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Product Introduction

Overview

The LP2985IM5-1.5 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor. Designed for applications requiring a stable and reliable power supply, this component is part of the LP2985 series, known for its low noise and high accuracy. The LP2985IM5-1.5 is specifically tailored for portable and battery-powered devices, making it an ideal choice for consumer electronics, medical devices, and industrial applications. Its compact SOT-23-5 package and low quiescent current make it highly competitive in the market for power management solutions.

Key Specifications

ParameterValueUnitNotes
Output Voltage1.5VFixed
Input Voltage Range2.3 to 16V
Dropout Voltage0.28V@ 150 mA
Output Current150mA
Quiescent Current75µA
PackageSOT-23-5
Operating Temperature Range-40 to +125°C
Line Regulation0.02%/V
Load Regulation0.04%/mA
Ripple Rejection70dB@ 1 kHz

Key Features

  • Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
  • Low Noise Output: Ideal for noise-sensitive applications like RF and audio circuits.
  • High Accuracy: Provides precise voltage regulation for critical applications.
  • Low Quiescent Current: Extends battery life in portable devices.
  • Thermal Shutdown and Current Limit Protection: Enhances reliability and safety.

Applications

The LP2985IM5-1.5 is widely used in various fields, including:

  • Consumer Electronics: Power management for smartphones, tablets, and portable media players.
  • Medical Devices: Reliable power supply for portable medical equipment.
  • Industrial Automation: Stable voltage regulation for sensors and control systems.
  • Automotive Electronics: Power management for infotainment and navigation systems.

Q & A

1. What is the output voltage of the LP2985IM5-1.5?

The output voltage is fixed at 1.5 V.

2. What is the input voltage range for this regulator?

The input voltage range is 2.3 V to 16 V.

3. What is the dropout voltage at 150 mA?

The dropout voltage is 0.28 V at 150 mA.

4. What is the maximum output current?

The maximum output current is 150 mA.

5. What is the quiescent current of this device?

The quiescent current is 75 µA.

6. What package does the LP2985IM5-1.5 come in?

It comes in a SOT-23-5 package.

7. What is the operating temperature range?

The operating temperature range is -40°C to +125°C.

8. Does this regulator have thermal shutdown protection?

Yes, it includes thermal shutdown and current limit protection.

9. What is the ripple rejection at 1 kHz?

The ripple rejection is 70 dB at 1 kHz.

10. Is the LP2985IM5-1.5 suitable for battery-powered devices?

Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.

Product Attributes

Output Configuration:- 
Output Type:- 
Number of Regulators:- 
Voltage - Input (Max):- 
Voltage - Output (Min/Fixed):- 
Voltage - Output (Max):- 
Voltage Dropout (Max):- 
Current - Output:- 
Current - Quiescent (Iq):- 
Current - Supply (Max):- 
PSRR:- 
Control Features:- 
Protection Features:- 
Operating Temperature:- 
Mounting Type:- 
Package / Case:- 
Supplier Device Package:- 
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Similar Products

Part Number LP2985IM5-1.5 LP2985IM5-2.5 LP2985IM5-1.8 LP2985IM5-135 LP2985IM5-3.5 LP2985IM5-4.5
Manufacturer National Semiconductor Texas Instruments National Semiconductor Texas Instruments Texas Instruments Texas Instruments
Product Status Active Not For New Designs Active Obsolete Obsolete Obsolete
Output Configuration - Positive - Positive Positive Positive
Output Type - Fixed - Fixed Fixed Fixed
Number of Regulators - 1 - 1 1 1
Voltage - Input (Max) - 16V - 16V 16V 16V
Voltage - Output (Min/Fixed) - 2.5V - 1.35V 3.5V 4.5V
Voltage - Output (Max) - - - - - -
Voltage Dropout (Max) - 0.58V @ 150mA - 0.58V @ 150mA 0.58V @ 150mA 0.58V @ 150mA
Current - Output - 150mA - 150mA 150mA 150mA
Current - Quiescent (Iq) - 95 µA - 95 µA 95 µA 95 µA
Current - Supply (Max) - 2.5 mA - 2.5 mA 2.5 mA 2.5 mA
PSRR - 45dB (1kHz) - 45dB (1kHz) 45dB (1kHz) 45dB (1kHz)
Control Features - Enable - Enable Enable Enable
Protection Features - Over Current, Over Temperature, Short Circuit - Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
Operating Temperature - -40°C ~ 125°C - -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type - Surface Mount - Surface Mount Surface Mount Surface Mount
Package / Case - SC-74A, SOT-753 - SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753
Supplier Device Package - SOT-23-5 - SOT-23-5 SOT-23-5 SOT-23-5

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