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LD3985M122R

Part No LD3985M122R
Manufacturer STMicroelectronics
Catalog PMIC - Voltage Regulators - Linear
Description IC REG LDO 1.22V 0.15A SOT23-5
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer STMicroelectronics
Packaging Reel - TR
Status Active
Output Type Fixed
Number of Regulators 1
Maximum Input Voltage 6V
Nominal Output Voltage (Min/Fixed) 1.22V
Output Current 150mA
Operating Supply Current 150μA to 250μA
PSRR 60dB to 50dB (1kHz to 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Temperature Range - Operating -40°C to 125°C
Mounting SMD (SMT)
Case / Package SOT-23-5
Win Source Part Number 1052074-LD3985M122R
Popularity Medium
Supply and Demand Status Sufficient
Ultra Librarian 3D Model Ultra Librarian LD3985M122R CAD Model

Description

The LD3985M122R is a high-performance, low-dropout voltage regulator (LDO) from the renowned semiconductor manufacturer, STMicroelectronics. Designed to deliver a stable and precise output voltage, this LDO is particularly suited for battery-powered devices and applications where power efficiency is paramount.

Key Features

  • Low Dropout Voltage: The LD3985M122R boasts an ultra-low dropout voltage, ensuring efficient operation even when the input voltage is very close to the output voltage.
  • High Output Accuracy: With tight output voltage tolerance, this LDO provides a highly accurate output, essential for sensitive electronic circuits.
  • Low Quiescent Current: The device's low ground current contributes to minimal power loss, making it ideal for power-sensitive applications.
  • Stability with Low ESR Capacitors: The LD3985M122R is stable with ceramic capacitors, which have a low equivalent series resistance (ESR), providing better reliability and performance.
  • Thermal Shutdown and Short-Circuit Protection: Built-in safety features protect the device from damage due to overheating and short-circuit conditions.

Applications

The LD3985M122R is versatile and can be used in a variety of applications, including:

  • Mobile phones and PDAs
  • Portable media players
  • Wireless LAN and Bluetooth systems
  • GPS receivers

Technical Specifications

Parameter Value
Output Voltage 1.22 V
Dropout Voltage Typically 120 mV at 150 mA load
Maximum Output Current 150 mA
Quiescent Current Typically 30 μA
Package SOT-23

For engineers and designers looking for a reliable LDO that can deliver consistent performance with minimal power loss, the LD3985M122R from STMicroelectronics is an excellent choice. Its robust feature set ensures that it can meet the stringent requirements of modern electronic devices.

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Pricing & Ordering

Quantity Unit Price Ext. Price
130+ $0.4472 $58.1360
315+ $0.3671 $115.6365
490+ $0.3555 $174.1950
675+ $0.3441 $232.2675
870+ $0.3326 $289.3620
1,165+ $0.2982 $347.4030
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 79,100 pieces
MOQ: 130 pcs
Order Increment : 1 pcs
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