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SOT89-5

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AP2112

600MA CMOS LDO Regulator with ENABLE

Datasheet

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Description

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.

Feature(s)

Output Voltage Accuracy: ±1.5%
Output Current: 600mA (Min.)
Foldback Short Current Protection: 50mA
Enable Function to Turn ON/OFF V_OUT
Low Dropout Voltage (3.3V): 250mV (Typ.) @I_OUT = 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

Application(s)

Laptop computer
Potable DVD
LCD Monitor

Specifications & Technical Documents

Product Parameters

Iq (typ) (µA)	55
Iq (max) (µA)	80
Operating Ambient Temperature (°C)	-40 to 85
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)	3.3
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
Enable Active	Yes (High)
Channels	1
Output Discharge	Yes
Power Good	No
Reverse Protection	No
VCTL Function	No

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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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-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products
PCN-2709	2025-01-07	2025-04-07	Additional Wafer Source (GFAB), Die Revision, Data Sheet Change and Additional Bill of Materials (BOM)
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