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AP2127

300MA High Speed, Extremely Low Noise CMOS LDO Regulator

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Description

The AP2127 Series are positive voltage regulator ICs fabricated by CMOS process. The AP2127 Series have features of low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices. AP2127 has 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.2V, 4.75V, 5.2V fixed voltage versions and 0.8V to 5.5V adjustable voltage versions.

Application(s)

  • Datacom
  • Notebook Computers
  • Mother Board

Feature(s)

  • Wide Operating Voltage: 2.5V to 6V
  • High Output Voltage Accuracy: ±2%
  • High Ripple Rejection: 68dB@ f = 1kHz, 54dB@ f = 10kHz
  • Low Standby Current: 0.1μA
  • Low Dropout Voltage: 170mV@300mA for VOUT = 3.3V, 140mV@300mA for VOUT = 5.2V
  • Low Quiescent Current: 60μA Typical
  • Low Output Noise: 60μVrms@VOUT = 0.8V
  • Short Current Limit: 50mA · Over Temperature Protection
  • Compatible with Low ESR Ceramic Capacitor: 1μF for CIN and COUT 
  • Excellent Line/Load Regulation
  • Soft Start Time: 50μs
  • Auto Discharge Resistance: RDS(ON) = 60Ω

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Output options Adjustable & Fixed
Iout (A) 0.3
Vin (Max) (V) 6
Vin (Min) (V) 2.5
Vout (min) 0.8
Vout (max) 6
Fixed Vout (V) 1.0, 1.2, 1.5, 1.8, 2.5, 2.8, 3.0, 3.3, 4.2, 4.75
Adjustabe VFB (V) 0.8
Iq (typ) (µA) 60
Accuracy 25C 2%
Noise uV RMS 10-100 kHz 60
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.3
PSRR (dB) 1kHz 68
Operating Temperature (Ambient) (°C) -40 to 85 (°C)
Enable Active H
Channels 1
Output Discharge yes
Iq (max)(µA) 90
VCTL function no

Related Content

Packages

Technical Documents

SPICE Model

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

Orderable Part Number Buy from Distributor / Contact Sales Request Samples
AP2127K-1.0TRG1

AP2127K-1.0TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 42 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
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AP2127K-1.2TRG1

AP2127K-1.2TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 62 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 993 9/18/2021 Europe, Asia, North America Buy Now
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AP2127K-1.5TRG1

AP2127K-1.5TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 1760 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 224 9/18/2021 Europe, Asia, North America Buy Now
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AP2127K-2.8TRG1

AP2127K-2.8TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 241 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 3534 9/18/2021 Europe, Asia, North America Buy Now
Farnell, An Avnet Company 2470 9/17/2021 England Buy Now
Farnell, An Avnet Company 2470 9/17/2021 England Buy Now
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AP2127K-3.3TRG1

AP2127K-3.3TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Micronetics GmbH 6000 9/13/2021 Germany Contact Sales
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AP2127K-4.2TRG1

AP2127K-4.2TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 583 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample
AP2127K-4.75TRG1

AP2127K-4.75TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 351 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
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AP2127N-1.0TRG1

AP2127N-1.0TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 2997 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
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AP2127N-1.2TRG1

AP2127N-1.2TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Arrow/Components Agent Ltd. 9000 9/19/2021 Hong Kong Buy Now
Mouser Electronics Inc. 4464 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
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AP2127N-1.8TRG1

AP2127N-1.8TRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 1838 9/19/2021 South America, North America, Asia, Europe, Middle East Buy Now
RS Components 400 9/19/2021 England Buy Now
Digi-Key Electronics 306 9/18/2021 Europe, Asia, North America Buy Now
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PCNs

Product Change Notices

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site
PCN-2246 2017-06-28 2017-09-28 Additional Qualified Assembly/Test (A/T) Site – Chengdu A/T (CAT) with Part Marking Update