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STMICROELECTRONICS LD57100J100R Low Dropout Voltage Regulator

The LD57100 is a high-precision, ultra low-dropout voltage regulator capable of delivering 1 A current with low noise and quiescent current, suitable for low-voltage, battery-powered applications such as smartphones and cameras. It features an NMOS pass transistor biased by a dedicated pin, enabling ultra-low dropout performance at low input voltages. Available in a compact Flip Chip6 package, it includes thermal shutdown, internal current limit, and logic-controlled shutdown for enhanced reliability and space-saving design. The device operates from -40°C to 85°C, ensuring stable performance in various environments.

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Source:Newark
Part No:LD57100J100R
Stock:249
Inv Date:06-11-2026
Price: Unit price: $0.597
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Source:DigiKey
Part No:LD57100J100R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.14683
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Part No:LD57100J100R
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.39
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Part No:LD57100J100R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.13
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Part No:LD57100J100R
Stock:5134
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LD57100J100R Low Dropout Voltage Regulator Specifications:

  • Input voltage from Vour to 5.5 V
  • Bias voltage from 3.0 V to 5.5 V
  • Dropout voltage: 40 mV at 1 A load
  • Output voltage: adjustable from 0.5 V to 3.0 V in steps
  • Output current: 1 A guaranteed
  • Temperature range: -40°C to 85°C
  • Package: Flip Chip6 (0.8x1.2 mm)
  • Thermal shutdown and internal current limit included
  • Low ground current: 35 μA at no load
  • Logic-controlled shutdown functionality
  • Output active discharge function
  • Output voltage tolerance: ±1% over temperature, ±0.5% at 25°C
  • Input bias supply: 3.0 V to 5.5 V
  • Supports ceramic output capacitors (X5R/X7R), min. 1 μF

Buy the STMicroelectronics Series LD the Ultra Low Dropout Voltage Regulator: LD57100J100R

Purchase the STMicroelectronics Series LD57100J100R low dropout voltage regulator online today. This compact, high-accuracy power management component offers guaranteed 1 A output current, low noise, and excellent thermal protection in a small Flip Chip6 package. Ideal for space-constrained, battery-powered applications like smartphones, cameras, and IoT devices, it ensures reliable operation with ultra-low dropout voltage of just 40 mV at full load. Its adjustable output from 0.5 V to 3.0 V, combined with logic-controlled shutdown and internal protections, makes it the perfect choice for efficient power regulation solutions. Secure your order now for optimal performance and space-saving design.

Order your STMicroelectronics Series LD LD57100J100R ultra low-dropout voltage regulator today and enhance your low-power device designs with dependable efficiency.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LD57100J100R?

You can click on the BUY or RFQ button to purchase LD57100J100R from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LD57100J100R?

You can download the LD57100J100R datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LD57100J100R?

STMICROELECTRONICS

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