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SOT89-5

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AP2115

1A Low Noise CMOS LDO Regulator with ENABLE

Datasheet

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Description

The AP2115 is CMOS process low dropout linear regulator with enable function, the regulator delivers a guaranteed 1A (min.) continuous load current. The AP2115 features low power consumption. The AP2115 is available in 1.2V, 1.8V, 2.5V and 3.3V regulator output, and available in excellent output accuracy ±1.5%, it is also available in an excellent load regulation and line regulation performance. The AP2115 is available in standard packages of SOIC-8 and SOT-89-5.

Feature(s)

Output Voltage Accuracy: ±1.5%

Output Current: 1A (Min.)

Fold-back Short Current Protection: 50mA

Low Dropout Voltage (3.3V): 450mV (Typ.) @ IOUT=1A

Stable with 4.7μF Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic

Excellent Line Regulation: 0.02%/V (Typ.), 0.1%/V (Max.) @ IOUT=30mA

Excellent Load Regulation: 0.2%/A @ IOUT=1mA to 1A

Low Quiescent Current: 60μA (1.2V/1.8V/ 2.5V)

Low Output Noise: 30μVRMS

PSRR: 68dB @ Freq=1kHz (1.2V/1.8V)

OTSD Protection

Operation Temperature Range: -40°C to 85°C

ESD: MM 400V, HBM 4000V

Application(s)

LCD Monitor

LCD TV

STB

Specifications & Technical Documents

Product Parameters

Iq (typ) (µA)	60
Iq (max) (µA)	75
Operating Ambient Temperature (°C)	-40 to 85
AEC Qualified	No
Compliance (Only Automotive Supports PPAP)	Standard
Type	LDO
Output options	Fixed
Iout (A)	1
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, 3.3
Accuracy 25C	1.5
Noise uV RMS 10-100 kHz	30
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage	0.75
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-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