| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 19 Weeks | 
                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | TO-236-3, SC-59, SOT-23-3 | 
                                                                            
                                            | Number of Pins | 3 | 
                                                                            
                                            | Weight | 8.788352mg | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2014 | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 3 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Resistance | 350mOhm | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 40 | 
                                                                            
                                            | Base Part Number | AP2331 | 
                                                                            
                                            | Function | Current Switch | 
                                                                            
                                            | Number of Outputs | 1 | 
                                                                            
                                            | Number of Channels | 1 | 
                                                                            
                                            | Max Supply Voltage | 5.2V | 
                                                                            
                                            | Min Supply Voltage | 2.7V | 
                                                                            
                                            | Analog IC - Other Type | POWER SUPPLY SUPPORT CIRCUIT | 
                                                                            
                                            | Voltage - Input | 2.7V~5.2V | 
                                                                            
                                            | Current - Output | 200mA | 
                                                                            
                                            | Adjustable Threshold | NO | 
                                                                            
                                            | Turn On Delay Time | 700 μs | 
                                                                            
                                            | Min Input Voltage | 2.7V | 
                                                                            
                                            | Max Input Voltage | 5.2V | 
                                                                            
                                            | Sensing Method | High-Side | 
                                                                            
                                            | Height | 1.1mm | 
                                                                            
                                            | Length | 3mm | 
                                                                            
                                            | Width | 1.4mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | REACH SVHC | No SVHC | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                                                    
                            
                         
                                                AP2331SA-7 Overview
Buck boost converter is included in the package Tape & Reel (TR).Depending on how TO-236-3, SC-59, SOT-23-3 packages voltage regulator, voltage regulator will be packaged in the same way.A mounting hole is provided for Surface Mount to mount this current regulator.In order to maintain a safe operating environment, the temperature cannot exceed -40°C~85°C.The input voltage of 2.7V~5.2V is supported as an input voltage.As well as 3 terminations, there are also 3 terminations, which are the practice of terminating a transmission line with a voltage regulator that matches the characteristic impedance of the transmission line.In the AP2331 family, current regulator is a member.As part of a signal interface in a computer or other communication constant current regulator, 3 pins are pronged contacts.The current regulator is mounted on the Surface Mount axis.Providing that it is powered by a 5VV power supply, the constant current should work without any problems.As a result of 200mA's output current, it offers maximum design flexibility.The analog IC used by this power converter is called POWER SUPPLY SUPPORT CIRCUIT.Channels are becoming stronger/weaker based on the following statistics: 1.As a result, it allows 5.2V to be supplied with its maximum voltage.As long as the supply voltage is lower than 2.7V, it will operate correctly.As a result of its maximum input voltage, 5.2V has maximum design power converter flexibility.A minimum input voltage makes 2.7V a flexible design option.1 output is configured.Resistance is?a measure of the opposition to current flow in an electrical circuit.?The resistance of this electrical dc to dc converter is 350mOhm (Ω). 
AP2331SA-7 Features
Tape & Reel (TR) package
AP2331 family
 The maximal supply voltage of 5.2V
1 output
AP2331SA-7 Applications
There are a lot of Diodes Incorporated AP2331SA-7 Current Regulation/Managements applications. 
- Battery chargers
- Programmable current source
- Over-current protection
- Industrial applications current measurement
- Engine management
- DC-to-dc converters
- Level translating
- Vehicle dynamic controls
- Suspension controls
- DC motor control