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AP7331 Linear Regulator: Features, Pinout and Datasheet

IC REG LINEAR 1.8V 300MA SOT25 The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator. The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

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Feb 10, 2022

Gloria Pope

Basic Linear Regulator Operation

IC REG LINEAR 1.8V 300MA SOT25

The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator. The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

 

AP7331-18WG-7

68500In Stock
Min.: 1 Mult.: 1
Quantity Unit Price Ext. Price
1+ $0.48415$0.48
10+ $0.45675$4.57
100+ $0.43089$43.09
500+ $0.4065$203.25
1000+ $0.38349$383.49
Unit Price:$0.48415
Subtotal: $0.48
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AP7331 Pinout

The following figure is the diagram of AP7331 pinout.

AP7331 CAD Model

The followings are AP7331 Symbol, Footprint, and 3D Model.

Symbol

 

Footprint

 

3D Model

 

AP7331 Overview

The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator. The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. The device is turned on when EN pin is set to logic high level. The characteristics of low dropout voltage and low quiescent current make it suitable for low power applications, for example, battery powered devices. The typical quiescent current is approximately 65μA. Built-in current-limit and thermal-shutdown functions prevent IC from damage in fault conditions. The AP7331 is available in SOT25 and DFN2020-6 packages.

This article will introduce AP7331 systematically from its features, pinout to its specifications, applications, also including AP7331 datasheet and so much more.

AP7331 Features

● 300mA Low Dropout Regulator with EN

● Very low IQ over full load: 65µA

● Wide input voltage range: 2V to 6V

● Wide adjustable output: 0.8V to 5.0V

● Fixed output options: 1.0V to 3.3V

● PSRR: 65dB typical at 100Hz

● Fast start-up time: 80µs

● Stable with low ESR, 1µF ceramic output capacitor

● Excellent Load/Line Transient Response

● Low dropout: 300mV typical at 300mA

● Current limit protection

● Short circuit protection

● Thermal shutdown protection

● Ambient temperature range: -40ºC to 85°C

● SOT25 and DFN2020-6: Available in “Green” Molding Compound (No Br, Sb)

● Lead Free Finish/RoHS Compliant 

Specifications

Diodes Incorporated AP7331-18WG-7 technical specifications, attributes, parameters and parts with similar specifications to Diodes Incorporated AP7331-18WG-7.

AP7331-18WG-7 Tech Specifications

Diodes Incorporated AP7331-18WG-7 technical specifications, attributes, parameters and parts with similar specifications to Diodes Incorporated AP7331-18WG-7.

Product Attribute Attribute Value
Factory Lead Time19 Weeks
Contact PlatingTin
MountSurface Mount
Mounting TypeSurface Mount
Package / CaseSC-74A, SOT-753
Number of Pins5Pins
Published2003
PackagingTape & Reel (TR)
Operating Temperature-40°C~85°C
JESD-609 Codee3
Pbfree Codeyes
Part StatusActive
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations5Terminations
ECCN CodeEAR99
Max Power Dissipation640mW
Terminal PositionDUAL
Product Attribute Attribute Value
Terminal FormGULL WING
Peak Reflow Temperature (Cel)260
Number of Functions1Function
Time@Peak Reflow Temperature-Max (s)40
Base Part NumberAP7331
Pin Count5
Current - Supply (Max)85μA
Number of Outputs1Output
Voltage - Input (Max)6V
Output Voltage1.8V
Output TypeFixed
Max Output Current300mA
Output ConfigurationPositive
Power Dissipation640W
Quiescent Current55μA
Control FeaturesEnable
Accuracy2 %
Product Attribute Attribute Value
Output Voltage 11.8V
Voltage - Output (Min/Fixed)1.8V
Min Input Voltage2V
Protection FeaturesOver Current, Over Temperature
Current - Quiescent (Iq)75μA
PSRR65dB (100Hz)
Reference Voltage400mV
Dropout Voltage550mV
Power Supply Rejection Ratio (PSRR)65dB
Min Current Limit400mA
Height1.3mm
Length3.1mm
Width1.7mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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AP7331 Functional Block Diagram

The following is the Block Diagram of AP7331.

Functional Block Diagram

AP7331 Applications

● XDSL Routers

● Wireless LAN Cards

● Desktop and Notebook Computers

● Battery Powered Equipments

AP7331 Package

The following diagrams show the AP7331 package.

View A

 

View B

 

View C

 

View “A”

AP7331 Land Pattern Recommendation

The following diagram shows the AP7331 Land Pattern Recommendation.

Land Pattern Recommendation

AP7331 Marking Information

The following is the Marking Information of AP7331.

Marking Information

AP7331 Manufacturer

Diodes Incorporated delivers high-quality semiconductor products to the world's leading companies in the consumer electronics, computing, communications, industrial, and automotive markets. They leverage their expanded product portfolio of discrete, analog, and mixed-signal products and leading-edge packaging technology to meet customers' needs. Their broad range of application-specific solutions and solutions-focused sales, coupled with worldwide operations of 25 sites, including engineering, testing, manufacturing, and customer service, enables us to be a premier provider for high-volume, high-growth markets.

Datasheet PDF

AP7331-18WG-7 Documents

Download datasheets and manufacturer documentation for AP7331-18WG-7

Environmental Information
Diodes RoHS 3 Cert
Datasheets
AP7331

Frequently Asked Questions

How many pins of AP7331-18WG-7?
5 Pins.
What’s the operating temperature of AP7331-18WG-7?
-40°C~85°C.
What is the essential property of the AP7331?
The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator. The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry.
FAQ
How many pins of AP7331-18WG-7?
5 Pins.
What’s the operating temperature of AP7331-18WG-7?
-40°C~85°C.
What is the essential property of the AP7331?
The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator. The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry.

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