LDO Linear Regulator AP2127K-ADJTRG1
The AP2127K-ADJTRG1 is an adjustable voltage regulator from Diodes Incorporated. It comes in a SOT-23-5 package and provides an adjustable output voltage ranging from 0.8V to 5.5V. The regulator has a quiescent current of 90 µA.
Description
Product parameter
|
Type |
Parameter |
|
Category |
Integrated Circuits (ICs) - Voltage Regulators |
|
Manufacturer |
Diodes Incorporated |
|
Mounting Type |
Surface Mount |
|
Package / Case |
SC-74A, SOT-753 |
|
Number of Pins |
5 |
|
Supplier Device Package |
SOT-23-5 |
|
Weight |
29.993795 mg |
|
Number of Outputs |
1 |
|
Maximum Input Voltage |
6V |
|
Output Voltage |
5.5V |
|
Minimum/Fixed Output Voltage |
0.8V |
|
Maximum Output Voltage |
5.5V |
|
Maximum Voltage Dropout |
0.3V at 300mA |
|
Output Current |
300mA |
|
Quiescent Current (Iq) |
90 µA |
|
Power Supply Rejection Ratio (PSRR) |
68 dB to 45 dB (100Hz to 10kHz) |
Features
- The AP2127K-ADJTRG1 is a high-speed, low-noise CMOS LDO (Low Dropout) regulator with several distinctive features:
- 1. Versatile Voltage Range and Adjustment
- This model supports a wide input voltage range of 2.5V to 6V and offers an adjustable output voltage from 0.8V to 5.5V, making it suitable for various power requirements.
- 2. Efficient Power Performance:
- It features a low dropout voltage of 0.3V at 300mA and a quiescent current of just 90μA, ensuring efficient operation with minimal power loss, ideal for battery-powered applications.
- 3. Superior Noise and Ripple Reduction:
- With a high power supply rejection ratio (PSRR) ranging from 68 dB at 100 Hz to 45 dB at 10 kHz and a low output noise, this regulator offers clean, consistent power for circuits that are sensitive.
- 4. Compact and Reliable Design:
- The AP2127 is a space-constrained device that combines a single-output configuration, dependable performance, and tiny size in a 5-pin SOT-23-5 form factor.

Package details
- The small 5-pin SOT-23-5 package, sometimes referred to as SC-74A or SOT-753, is available for the AP2127 product. With dimensions of 3.1 mm in length, 1.7 mm in width, and 1.4 mm in height, this surface-mount device is appropriate for applications with limited space.This circuit is available in reels containing 3000 pieces each. Its compact size and low weight (around 30 mg) allow for easy integration into a wide range of electrical systems.
-

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FAQ
Q: What is the AP2127K-ADJTRG1's maximum input voltage?
Q: What is the AP2127K's output voltage range?
Q: At what point does the AP2127 reach its maximum output current?
Q: How low is the AP2127K-ADJTRG1's dropout voltage?
Q: What is this model's quiescent current?
Q: What is the power supply rejection ratio (PSRR) of the AP2127K-ADJTRG1?
Q: What is the AP2127K's usual output noise?
Q: What shipping options are available for my order?
Q: How long is the delivery time for products?
Q: How is the quality of the products ensured?
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