Diodes IncorporatedAP7343-33W5-7Linear Regulators

Diodes Incorporated’s Low Dropout Regulators

Low Dropout Regulators (LDOs) are simple and cost-effective ways to provide regulated output voltages from higher input voltages. These LDOs come in small footprints and provide noise reduction, circuit protection, and minimal power consumption solutions.

Diodes Incorporated has a broad portfolio of LDO regulators that covers a wide range of specifications and performance for consumer, computing, communications, portable, and industrial applications. Featured products, which encompass a wide array of capabilities, include ultra-low IQ, high PSRR, wide input voltage, small size, and high current LDOs.

Application Examples

•  Portable instrumentation
•  Wearable electronics
•  Smartphones/PAD
•  Internet-of-Things (IoT)
•  Image sensors
•  Notebook computers
•  Low and medium power applications
•  Tablets
•  Automotive wireless communication

Application Photos

Features and Benefits

•  Small Form Factor
  o  Diodes' small-size LDOs deliver high-quality performance while consuming as little space as possible.
•  High PSRR
  o  High PSRR LDOs effortlessly power any system in a rough power supply environment. They provide high rejection on the power supply noise to provide clean, DC power to ensure system reliability.
•  Low IQ
  o  Low IQ LDOs can help to extend the battery life of essential devices. Preserving energy is the task of today’s electronic devices, and by minimizing the quiescent current of an LDO, our products help to achieve low standby power across a variety of applications.
•  Wide Input Voltage
  o  Wide input voltage LDOs provide simple, cost-effective solutions to supply MCUs, Embedded systems, sensors, and other active components when facing a high-voltage environment. The high accuracy and current limit functions make any design more reliable and robust.
•  High-Current
  o  High current LDOs provides clean, accurate, and efficient power for heavy and sensitive loads. Additional High-PSRR featured LDOs eliminate ripple, offer high output accuracy (1% max), and deliver low dropout of 330mV and below.
•  Automotive Compliance (for select parts) *
  o  Diodes’ Automotive LDOs feature a high power supply rejection ratio (PSRR) of 75dB at 1kHz to deliver stable output voltages suitable for automotive applications, such as point of load power supplies in ADAS, RF communications, cameras, and infotainment systems. The products are available with or without an output discharge function.

Related Articles

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Great Things Come in Small (Outline) Packages [Article]

Ultra-low dropout LDOs provide the perfect regulation for a wide range of devices [PDF]

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4.  high psrr LDO
5.  LDO
6.  Low IQ LDO
7.  High Current LDO

Related Products

Small-size LDOs

AP7350 series
AP7340 series
AP7341 series
AP7346 series
AP7342 series
AP7344 series
AP7348 series
AP7353 series

High PSRR LDOs

AP7330 series
AP7340 series
AP7343 series
AP7353 series
AP7361C series

Low IQ LDOs

AP7350 series
AP7351 series
AP7354 series
AP2138 series
AP2139 series

Wide Input Voltage LDOs

AP2205 series
AP7370 series
AP7380 series
AP7383 series
AP7381 series
AP7384 series

High-current LDOs

AP2205 series
AP7361C series
AP7173 series
AP7176B series

Automotive LDOs: Compliant to AEC-Q100 with a Grade 1 (-40C to +125C) temperature rating

AP7315Q series
 AP7343Q series

*AEC qualified in IATF 16949 certified manufacturing sites and supports PPAP documentation