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The AP7368 is a low dropout regulator featuring 500mA/1A that provides high output voltage accuracy, low RDS(on), high PSRR, low output noise, and low quiescent current. This regulator is based on a CMOS process.

The AP7368 includes a voltage reference, error amplifier, current-limit circuit, and enable inputs to turn on and off separately. With the integrated resistor network, fixed output voltage versions can be delivered.

With the device’s low power consumption and line and load transient response, the AP7368 is well suited for low power handheld communication equipment. The AP7368 can select the output current limit 1.0A or 500mA by alternating the LCON pin between “H” or “L”. The AP7368 is packaged in the X1-DFN1612-8 (Type B) package, allowing for the smallest footprint and a dense PCB layout.



  • Low VIN and Wide VIN Range: 1.7V to 5.5V
  • Guarantee Output Current: 500mA/1A (set by LCON)
  • VOUT Accuracy ±1%
  • Ripple Rejection 80dB at 1kHz
  • Low Output Noise, 16µVrms from 10Hz to 100kHz
  • Quiescent Current as Low as 110µA
  • VOUT Fixed 9V to 4.3V
  • Inrush Current Limit: 300mA (LCON=”L”)
  • Foldback Short Circuit Protection: 60mA (LCON=”L”)
  • Totally Lead-Free & Fully RoHS Compliant 
  • Halogen and Antimony Free. “Green” Device 
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/


  • Smart Phones/Tablets
  • RF Supplies
  • Cameras
  • Portable Videos
  • Portable Media Players
  • Wireless Adapters
  • Wireless Communication

Product Specifications

Product Parameters

Iq (max) (µA) 170
Iq (typ) (µA) 110
AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Type LDO
Output options Fixed
Iout (A) 0.5, 1
Vin (Max) (V) 5.5
Vin (Min) (V) 1.7
Vout (min) 0.9
Fixed Vout (V) 0.9, 1.0, 1.2, 1.5, 1.8, 2.5, 2.8, 3.0, 3.3
Accuracy 25C 1
Noise uV RMS 10-100 kHz 16
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.9, 0.19
PSRR (dB) 1kHz 80
Operating Temperature (Ambient) (°C) -40 to 85
Enable Active Yes (High)
Channels 1
Output Discharge Yes
Power Good No
Reverse Protection No
VCTL Function No

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Technical Documents

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2667 2024-02-07 2024-05-07 Qualified Additional Bill of Material (BOM) - Die Source, Die Revision.