LD39200   Product is in volume production.

2 A high PSRR ultra low drop linear regulator with reverse current protection

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The LD39200 provides 2 A of maximum current with an input voltage range from 1.25 V to 6.0 V, and a typical dropout voltage of 130 mV.

It is stable with ceramic capacitors on the output (10 µF).

Typical power supply rejection ratio is 70 dB at 1 kHz and starts to roll off at 20 kHz.

The enable logic control function puts the LD39200 in shutdown mode, reducing the total current consumption to 10 nA (typ.).

Power Good flag is available on a dedicated pin.

The device also includes reverse current protection, short-circuit constant current limit and thermal protection.

Typical applications are for Telecom infrastructure and consumer.

Key Features

  • Input voltage from 1.25 V to 6.0 V
  • Ultra low drop: 130 mV (typ.) at 2 A load
  • 1 % output accuracy at 25 °C, 2 % in full temperature range
  • High PSRR: 70 dB at 1 kHz
  • Reverse current protection
  • 2 A guaranteed output current
  • Available in fixed and adjustable output voltage version from 0.5 V with 100 mV step
  • Power Good
  • Internal current and thermal limit
  • Operating junction temperature range: -40 °C to 125 °C
  • DFN6 (3 x 3 mm) and DFN8 (4 x 4 mm) packages

Resources

Technical Documentation

Product Specifications
Description Version Size
DS10079 DS10079: 2 A high PSRR ultra low drop linear regulator with reverse current protection 3.0 2 MB

Publications and Collaterals

Selection Guides
Description Version Size
Linear and Switching Voltage Regulators Selection Guide 3.0 370 KB
Brochures
Description Version Size
Brochure Power management guide 10.2018 4 MB
Low-dropout (LDO) linear voltage regulators - Quick Reference Guide 2.2 216 KB
Power management for handheld and portable 2.0 1 MB
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Sample & Buy

Part Number Package Packing Type Output Voltage (V) (nom) Output Tolerance (typ) Output Current (A) (nom) Marketing Status Unit Price (US$) * Quantity ECCN (US) Country of Origin More info Order from ST Order from Distributors
LD39200PU33R DFN6 3x3 Tape And Reel 3.3 1 2 Active 0.625 1000 EAR99 CHINA MORE INFO Free Sample Add to cart DISTRIBUTOR AVAILABILITY
LD39200DPUR DFN8 4x4 Tape And Reel - 1 2 Active 0.625 1000 EAR99 CHINA MORE INFO Free Sample Add to cart DISTRIBUTOR AVAILABILITY
LD39200PUR DFN6 3x3 Tape And Reel - 1 2 Active 0.625 1000 EAR99 CHINA MORE INFO Buy Direct Add to cart DISTRIBUTOR AVAILABILITY
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(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LD39200PU33R ActiveDFN6 3x3IndustrialEcopack2 0 0
LD39200DPUR ActiveDFN8 4x4IndustrialEcopack2
LD39200PUR ActiveDFN6 3x3IndustrialEcopack2 0 0
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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