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MIC5219-3.3YM5-TR - 12V 500mA Fixed 1 Output Linear Voltage Regulator 5Pin SOT-23

Microchip Technology

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SKU:
024-MIC5219-3.3YM5-TR
MPN:
MIC5219-3.3YM5-TR
MIC5219-3.3YM5-TR – 3.3V Fixed Output Linear Voltage Regulator, 500mA, SOT-23-5 Package
MIC5219-3.3YM5-TR 12V to 3.3V fixed linear regulator with 500mA output, ultra-low dropout, reverse-battery protection, and low noise in SOT-23-5 package. View full description
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Technical Specifications

Brand:
Microchip Technology
Case/Package:
SOT-23-5
Mount:
Surface Mount
Number of Pins:
5
Accuracy:
1 %
Ambient Temperature Range High:
125 °C
Dropout Voltage:
350 mV
Max Input Voltage:
12 V
Max Junction Temperature (Tj):
125 °C
Max Operating Temperature:
125 °C
Max Output Current:
500 mA
Max Supply Voltage:
12 V
Min Input Voltage:
2.5 V
Min Operating Temperature:
-40 °C
Min Output Voltage:
3.3 V
Min Supply Voltage:
2.5 V
Nominal Output Voltage:
3.3 V
Number of Channels:
1
Number of Outputs:
1
Output Current:
500 mA
Output Voltage:
3.3 V
Output Voltage Accuracy:
1 %
Polarity:
Positive
Power Supply Rejection Ratio (PSRR):
75 dB
Height:
1.45 mm
Length:
2.9 mm
Width:
1.6 mm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:

Datasheet

MIC5219-3.3YM5-TR – 12V Input, 3.3V Fixed Output Linear Voltage Regulator, 500mA, SOT-23-5: High-efficiency low dropout regulator with ultra-low noise

The MIC5219-3.3YM5-TR is a fixed 3.3V linear voltage regulator designed for high-efficiency power management in compact electronic systems. With a 500mA peak output capability and a very low dropout voltage (500mV at full load, 10mV typical at light load), it ensures stable regulation even under demanding load conditions. This regulator is optimized for battery-powered and portable devices, featuring near-zero shutdown current, ultra-low noise output, and excellent line/load regulation. Integrated protections such as reverse-battery protection, current limiting, and overtemperature shutdown ensure robust and reliable operation in harsh conditions. Packaged in a space-saving SOT-23-5 footprint, the MIC5219 offers versatility for consumer electronics, industrial equipment, IoT devices, and embedded systems where high performance and compact size are critical.

Key Features:

  • Fixed 3.3V Output: Precise regulation with better than ±1% output accuracy.
  • High Current Capability: Supports 500mA peak output current (continuous limited by package/PCB).
  • Low Dropout Voltage: Typically 10mV at light loads, ≤ 500mV at full load.
  • Ultra-Low Noise: Clean output ideal for noise-sensitive circuits.
  • Shutdown Control: CMOS/TTL-compatible enable pin for low-power modes.
  • Near-Zero Shutdown Current: Minimizes power loss in standby.
  • Robust Protection: Features reverse-battery protection, current limiting, and thermal shutdown.
  • Tight Line & Load Regulation: Ensures reliable voltage output under varying conditions.
  • Compact Package: SOT-23-5 for space-constrained designs; also available in VDFN, Thin DFN, and MSOP-8.
  • Operating Applications: Perfect for portable electronics, battery-powered systems, IoT, microcontrollers, RF modules, and industrial sensors.

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