Diodes Incorporated
SO 8

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500MA Low Noise LDO Regulator

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The AP2213 is a 500mA output current fixed voltage regulator which provides low noise, very low dropout voltage (typically 350mV at 500mA), very low standby current (1μA maximum) and excellent power supply ripple rejection (PSRR 75dB at 100Hz) in battery powered applications, such as handsets and PDAs and in noise sensitive applications, such as RF electronics. The AP2213 features individual logic compatible enable/shutdown control inputs, a low power shutdown mode for extended battery life, over current protection, over temperature protection, as well as reversed-battery protection. The AP2213 has 2.5V, 3.0V and 3.3V versions.


· Up to 500mA Output Current · Low Standby Current · Low Dropout Voltage: VDROP=350mV at 500mA · High Output Accuracy: ±1% · Good Ripple Rejection Ability: 75dB at 100Hz and IOUT=100μA · Tight Load and Line Regulation · Low Temperature Coefficient · Over Current Protection · Thermal Protection · Reversed-battery Protection · Logic-control°C Enable


· Laptop, Notebook, and Palmtop Computer · CD-ROM, CD-R/RW, DVD Driver · Portable Electronic · PC Peripheral

Product Specifications

Product Parameters

Iq (max) (µA) 180
Iq (typ) (?A) 100
AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Type LDO
Output options Fixed
Iout (A) 0.5
Vin (Max) (V) 18
Vin (Min) (V) 2.5
Vout (min) 2.5
Vout (max) 3.3
Fixed Vout (V) 2.5, 3.0, 3.3
Accuracy 25C 1
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.7
PSRR (dB) 1kHz 65
Operating Temperature (Ambient) (°C) -40 to 85
Enable Active Yes (High)
Channels 1
Output Discharge No
Power Good No
Reverse Protection Rerverse Current
VCTL Function No

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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-2603 2023-03-20 2023-06-20 Qualified Additional Wafer Fab Source (SFAB2/JKFAB), Die Revision, Bill of Material
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-2527 2021-06-09 2021-09-09 Additional Wafer Source (GFAB, JKFAB), New Bill of Materials (BOM) with PdCu Bond Wire, and Additional Assembly/Test
(A/T) Site (CAT)