| Parameters | 
                                                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 24-SOIC (0.295, 7.50mm Width) | 
                                                                            
                                            | Number of Pins | 24 | 
                                                                            
                                            | Operating Temperature | 0°C~70°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Number of Terminations | 24 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Applications | Multiphase Controller | 
                                                                            
                                            | Additional Feature | REQUIRES ADDITIONAL 12 V SUPPLY | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Subcategory | Switching Regulator or Controllers | 
                                                                            
                                            | Voltage - Supply | 4.75V~5.25V | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Terminal Pitch | 1.27mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 40 | 
                                                                            
                                            | Base Part Number | LM2639 | 
                                                                            
                                            | Pin Count | 24 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Input Voltage-Nom | 5V | 
                                                                            
                                            | Analog IC - Other Type | SWITCHING CONTROLLER | 
                                                                            
                                            | Operating Supply Current | 4.3mA | 
                                                                            
                                            | Input Voltage (Min) | 4.75V | 
                                                                            
                                            | Control Mode | VOLTAGE-MODE | 
                                                                            
                                            | Output Current-Max | 0.25A | 
                                                                            
                                            | Input Voltage (Max) | 5.25V | 
                                                                            
                                            | Control Technique | PHASE-SHIFT CONTROL | 
                                                                            
                                            | Switcher Configuration | PHASE-SHIFT | 
                                                                            
                                            | Switching Frequency-Max | 8700kHz | 
                                                                            
                                            | Height Seated (Max) | 2.65mm | 
                                                                            
                                            | Length | 15.4mm | 
                                                                            
                                            | Width | 7.5mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LM2639MX/NOPB Overview
It is acceptable to ship using the method Tape & Reel (TR) .A convenient packaging is provided in the form of 24-SOIC (0.295, 7.50mm Width) .Surface Mount  is a universal mounting method for easy adaptation.The power management is designed for use with applications at Multiphase Controller .The operating temperature of the power management ic should be set to 0°C~70°C  to avoid mal-function.This power management uses 4.75V~5.25V  voltage for work.Getting more power ic's pin-to-pin solutions can be found by searching LM2639 .The power management has 24 terminals.The instruments designs is highly regarded as a SWITCHING CONTROLLER analog IC.The power managment ic is programmed with 24  pins.It has a Surface Mount  for mouting on PCB or other boards.Power ic pinout starts with the 24   pins.The power management ic is powered by a voltage of 4.3mA  volts.In the Switching Regulator or Controllers series, it is included.With this integrated power supplies, it is possible to find REQUIRES ADDITIONAL 12 V SUPPLY as well.
LM2639MX/NOPB Features
Mainly used in Multiphase Controller applications
Operating temperature: 0°C~70°C
SWITCHING CONTROLLER analog IC
REQUIRES ADDITIONAL 12 V SUPPLY
LM2639MX/NOPB Applications
There are a lot of Texas Instruments LM2639MX/NOPBPower Management applications. 
- Storage Systems
- LP2996A: DDR3
- DDR Termination Voltage WHITE SPACE
- System Health Prognostics
- DDR-II Termination Voltage
- Industrial Telemetry Applications
- Networking Equipment
- Environmental Test
- Port/cable dongles
- Cordless Phone Base Station