Diodes Incorporated
SO 8

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.


Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.

Back to Linear and Low Dropout (LDO) Regulators


600MA CMOS LDO Regulator with ENABLE

Contact Sales

Log in or register to manage email notifications about changes to datasheets or PCNs for this part.


The AP2112 is CMOS process low dropout linear regulator with enable function, the regulator delivers a guaranteed 600mA (min.) continuous load current. The AP2112 provides 1.2V, 1.8V, 2.5V, 2.6V, 2.8V and 3.3V regulated output and 0.8V to 5V adjustable output, and provides excellent output accuracy ±1.5%, also provides an excellent load regulation, line regulation and excellent load transient performance due to very fast loop response. The AP2112 has built-in auto discharge function.


  • Output Voltage Accuracy: ±1.5%
  • Output Current: 600mA (Min.)
  • Foldback Short Current Protection: 50mA
  • Enable Function to Turn ON/OFF VOUT
  • Low Dropout Voltage (3.3V): 250mV (Typ.) @IOUT = 600mA
  • Excellent Load Regulation: 0.2%/A (Typ.)
  • Excellent Line Regulation: 0.02%/V (Typ.)
  • Low Quiescent Current: 55μA (Typ.)
  • Low Standby Current: 0.01μA (Typ.)
  • Low Output Noise: 50μVRMS
  • PSRR: 100Hz -65dB, 1kHz -65dB
  • OTSD Protection
  • Stable with 1.0μF Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic
  • Operation Temperature Range: -40°C to 85°C
  • ESD: MM 400V, HBM 4000V


  • Laptop computer
  • Potable DVD
  • LCD Monitor

Product Specifications

Product Parameters

Iq (max) (µA) 80
Iq (typ) (?A) 55
AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Type LDO
Output options Fixed
Iout (A) 0.6
Vin (Max) (V) 6
Vin (Min) (V) 2.5
Vout (min) 1.2
Vout (max) 5.5
Fixed Vout (V) 1.2, 1.8, 2.5, 2.6, 3.3
Accuracy 25C 1.5
Noise uV RMS 10-100 kHz 50
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 1.3
PSRR (dB) 1kHz 65
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

Related Content


Technical Documents

Recommended Soldering Techniques


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-2568 2022-03-29 2022-03-29 Qualified Additional Assembly & Test (A/T) Sites, Bill of Material, and updated Data Sheets for Package Outline Dimension Change
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site