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LDLN030 Ultra-Low Noise LDO

LDLN030 Ultra-Low Noise LDO

STMicro's LDLN030 300 mA, ultra-low noise LDO includes power good, soft-start, and thermal protection

STMicro's LDLN030 is a 300 mA very low-dropout voltage regulator, able to work with an input voltage ranging from 1.6 V to 5.5 V. The typical dropout voltage at 300 mA load is 150 mV. The very low quiescent current, which is just 16 μA at no-load, extends battery-life of applications requiring very long standby time. Thanks to its ultra-low noise value and high PSRR, the device provides a very clean output, suitable for ultra-sensitive loads. It is stable with ceramic capacitors. The enable logic control function puts the LDLN030 into shutdown mode allowing a total current consumption lower than 1 μA. The device also includes short-circuit constant current limiting, undervoltage lockout, soft-start, power good and thermal protection.

Typical applications are noise sensitive loads such as ADC, VCO in mobile phones and tablets, and wireless LAN devices. The LDLN030 is designed to keep the quiescent current under control and at a low value also during dropout operation, helping to extend even more the operating time of battery-powered devices.

Features
  • Ultra-low output noise: 7.5 µVRMS
    • Provides a clean supply voltage to sensitive loads
  • Very low quiescent current: 16 µA at no-load
    • Increase battery duration
  • Controlled lQ in dropout condition
    • Increase better duration
  • Very low dropout voltage: 100 mV at 200 mA; 150 mV at 300 mA
    • Improves efficiency
  • Very high PSRR: 80 dB at 100 Hz; 60 dB at 100 kHz
    • Provides a clean supply voltage to sensitive loads
  • Output voltage accuracy: 2% across line, load, and temperature
    • Provides accurate supply voltage
  • Logic-controlled electronic shutdown
    • Allows remote shutdown to save battery
  • Power good
    • Provides status information to the system
  • Internal soft-start
    • Limits the in-rush current
Applications
  • Smartphones/tablets
  • Image sensors
  • Instrumentation
  • VCO and RF modules 
  • HDD and SSD
  • Portable and other battery-powered devices

LDLN030 Ultra-Low Noise LDO
Image Manufacturer Part Number Description Output Configuration Available Quantity View Details
LDLN030G33R datasheet link IC REG LIN 3.3V 300MA TSOT23-5 LDLN030G33R IC REG LIN 3.3V 300MA TSOT23-5 Positive 2864 - Immediate
LDLN030G33R product page link

2018081209 / 31.08.2018 / Electronic-components / Digi-Key Electronics /
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Calendary
CERAMICS EXPO 2019, 30.4.-1.5.2019, Cleveland, Ohio, USA
SMTconnect, 7.5.-9..2019, Nuremberg
LIGHTFAIR 2019, Philadelphia, PA USA, 21.5.-23.5.2019
MWC Shanghai 2019, 26.6.-28.6.2019
SENSOR+TEST 2018, 26.-29.6.2019, Nuremberg, DE
NEPCON Japan, Nagoya, 18.9.-20.9.2019
SEMICON TAIWAN, Taipei, 18.9.-20.9.2019
BATTERY JAPAN, Osaka, 25.9.-27.9.2019
productronica 2019, Munich, DE, 12.-15.11.2019
NEPCON Japan, Tokio, 15.1.-17.1.2020
DistribuTECH, 28.1.-30.1.2020, San Antonio, TX
BATTERY JAPAN, Tokyo, 26.2.-28.2.2020
BATTERY JAPAN, Osaka, 9.9.-11.9.2020
IMTS2020, 14.9.-19.9.2020, Chicago, IL
ISE 2021, Barcelona, Spain, 2.2.-5.2.2021
DistribuTECH, 9.2.-11.2.2021, San Diego, CA
BATTERY JAPAN, Tokyo, 3.3.-5.3.2021
BATTERY JAPAN, Osaka, 29.9.-1.10.2021
DistribuTECH, 25.1.-27.1.2022, Dallas, TX
DistribuTECH, 7.2.-9.2.2023, San Diego, CA
DistribuTECH, 23.1.-25.1.2024, Indianapolis, IN
DistribuTECH, 11.2.-13.2.2025, Dallas, TX
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