Product Summary
The LM2596T-ADJ/NOPB is a regulator. The LM2596T-ADJ/NOPB is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation. The LM2596T-ADJ/NOPB is available in fixed output voltages of 3.3V, 5V, 12V, and an adjustable output version. The applications of the LM2596T-ADJ/NOPB include Simple high-efficiency step-down (buck) regulator, On-card switching regulators and Positive to negative converter.
Parametrics
LM2596T-ADJ/NOPB absolute maximum ratings: (1)Maximum Supply Voltage: 45V; (2)ON /OFF Pin Input Voltage: -0.3 ≤ V ≤ +25V; (3)Feedback Pin Voltage: -0.3 ≤ V ≤+25V; (4)Output Voltage to Ground (Steady State): -1V; (5)Power Dissipation: Internally limited; (6)Storage Temperature Range: -65 to +150℃; (7)ESD Susceptibility Human Body Model: 2 kV.
Features
LM2596T-ADJ/NOPB features: (1)3.3V, 5V, 12V, and adjustable output versions; (2)Adjustable version output voltage range, 1.2V to 37V ±4% max over line and load conditions; (3)Available in TO-220 and TO-263 packages; (4)Guaranteed 3A output load current; (5)Input voltage range up to 40V; (6)Requires only 4 external components; (7)Excellent line and load regulation specifications; (8)150 kHz fixed frequency internal oscillator; (9)TTL shutdown capability; (10)Low power standby mode, IQ typically 80 μA; (11)High efficiency; (12)Uses readily available standard inductors; (13)Thermal shutdown and current limit protection.
Diagrams

| Image | Part No | Mfg | Description | ![]()  | 
                            Pricing (USD)  | 
                            Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]()  | 
                            ![]() LM2596T-ADJ/NOPB  | 
                            ![]() National Semiconductor (TI)  | 
                            ![]() Switching Converters, Regulators & Controllers 150 KHZ 3A STEP-DOWN VLTG REG  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
| Image | Part No | Mfg | Description | ![]()  | 
                            Pricing (USD)  | 
                            Quantity | ||||||||||||
![]()  | 
                            ![]() LM250  | 
                            ![]() Other  | 
                            ![]()  | 
                            ![]() Data Sheet  | 
                            ![]() Negotiable  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() LM25005EVAL  | 
                            ![]() National Semiconductor (TI)  | 
                            ![]() Power Management IC Development Tools LM25005 EVAL BOARD  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() LM25005MH  | 
                            ![]() National Semiconductor (TI)  | 
                            ![]() Switching Converters, Regulators & Controllers  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() LM25005MH/NOPB  | 
                            ![]() National Semiconductor (TI)  | 
                            ![]() DC/DC Switching Regulators 42V,2.5A STEP-DOWN SWITCHING REG  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() LM25005MHX  | 
                            ![]() National Semiconductor (TI)  | 
                            ![]() Switching Converters, Regulators & Controllers  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() LM25005MHX/NOPB  | 
                            ![]() National Semiconductor (TI)  | 
                            ![]() Switching Converters, Regulators & Controllers  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
 (China (Mainland)) 
                         
                        
                                    








