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Low Dropout Regulators (LDOs)

Diodes LDO Solutions

Low dropout regulators (LDOs) are a simple and cost-effective way to get a regulated output voltage from higher input voltage. LDOs provide great simplicity for the system design as they are widely used in broad applications due to no switching noise and small size.

Diodes Incorporated has a broad portfolio of LDOs, range across many different features such as ultra low IQ, high PSRR, wide input voltage, small size and high current

Featured Products

 Small-size LDOs | High PSRR LDOs | Low IQ LDOs | Wide Input Voltage LDOs | High Current LDOs

 

SDiodes AP7350 NPS imagemall-size LDOs:  Small form factor

 

Today's electronic designs are getting more and more dense, and PCB space is consequently getting smaller and smaller. Diodes' Small-size LDOs accomplish this challenging task and deliver the same high-quality performance while consuming as little space as possible.  

Part Number Description Package Size (mm) Datasheet Order Options
AP7350 150mA, Ultra-Low Quiescent Current LDO With Enable X2-WLB0606-4 (0.64×0.64) Download Buy Now 
AP7340 150mA, High PSRR Low Noise LDO With Enable X2-DFN1010-4 (1×1) Download Buy Now
AP7341 300mA, High PSRR Low Noise LDO With Enable X2-DFN1010-4 (1×1) Download Buy Now
AP7346 Dual 130mA, High Accuracy Current Limit LDO With Enable X2-DFN1212-6 (1.2×1.2) Download Buy Now
AP7342 Dual 150mA, High PSRR Low Noise LDO With Enable X2-DFN1212-6 (1.2×1.2) Download Buy Now
AP7344 Dual 300mA, High PSRR Low Noise LDO With Enable X2-DFN1612-8 (1.6×1.2) Download Buy Now
AP7365 600mA, Low Quiescent Current, Fast Transient LDO U-DFN2020-6 (2×2) Download Buy Now

 

High PSRR LDOs: Clean up your power supply DIO 6592 PR Image AP7330 MR

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.

 

Part Number Description PSRR (dB) Datasheet Order Options
AP7330 300mA, High PSRR, Low Noise LDO with Enable 80 Download Buy Now
AP7340 150mA, High PSRR, Low Noise LDO With Enable 75 Download Buy Now
AP7343 300mA, High PSRR, Low Noise LDO With Enable (with SOT25) 75 Download Buy Now
AP7361C 1A, High PSRR, Low Dropout With Enable 75 Download Buy Now

 

Low I Q LDOs:  Save powerUltra Low Quiescent Current 150mA LDO DIO 6561 PR Image AP7354 MR

Every day more and more battery-powered products are being introduced into our daily lives. Low IQ LDOs can help to extend the battery life of these 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.

 

Part Number Description IQ (µA) Datasheet Order Options
AP7350 150mA Ultra-Low Quiescent Current LDO With Enable 0.25 Download Buy Now
AP7354 150mA Ultra Low Quiescent Current LDO With Enable 0.25 Download Buy Now
AP2138 250mA Ultra Low Quiescent Current LDO 1 Download Buy Now
AP2139 250mA Ultra Low Quiescent Current LDO 1 Download Buy Now

 

Wide Input Voltage LDOsDiodes AP7380 NPS image

Diodes’ wide input voltage LDOs, up to 40 volts, 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.

 

Part Number Description VIN Max (V) Datasheet Order Options
AP2204 150mA, high accuracy, high ripple rejection, low dropout voltage, low noise, current limit and ultra-low quiescent current 24 Download Buy Now
AP7380 150mA, high accuracy, low dropout voltage, current limit and ultra-low quiescent current LDO 24 Download Buy Now
AP7383 150mA, high accuracy, low dropout voltage, current limit and ultra-low quiescent current 30 Download Buy Now
AP7381 150mA, high accuracy, low dropout voltage, current limit and ultra-low quiescent current 40 Download Buy Now
AP7384 50mA, high accuracy, low dropout voltage, current limit and ultra-low quiescent current 40 Download Buy Now

 

High-current LDOs: Heavy load, Avoid switching noise img-121220144257.jpg

Switching noise can threaten performance in many applications. Our high current LDOs up to 3A provide clean, accurate and efficient power for those heavy, sensitive loads. Additional High-PSRR featured LDOs eliminate ripple, offer high output accuracy (1% max) and deliver low dropout of 330mV and below.

Part Number Description IOUT (A) Datasheet Order Options
AP7361C 1A, High PSRR LDO With Enable 1 Download Buy Now
AP7173 1.5A, LDO With Programmable Soft-Start 1.5 Download Buy Now
AP7176B 3A, Ultra Low Dropout LDO With Enable 3 Download Buy Now



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