Read next:Simple transformerless power supply circuit Protection Diodes You do not want to see this IC damage, right? As it is expensive. Read now to keep it is healthy. In the circuit diagram above. We use the external capacitors with any IC regulator. Sometimes, we need to add the prot...
The following circuit examples simply depict few of the very interesting useful power supply circuits using this IC. Let's study each circuit diagram in details: Simple Adjustable Voltage Power Supply Circuit The first circuit shows the typical wiring format done around the IC. The circuit provides...
regulation—comparable to many commercial power supplies. The LM138 family is supplied in a standard 3-lead transistor package. Connection Diagram Connection Diagrams Figure 1. (TO-3) Metal Can Package Bottom View See Package Number NDS0002A Figure 2. (TO-220) Plastic Package Front...
power-supply voltage-regulator Share Cite Follow asked Mar 7, 2016 at 13:21 Amrit Sohal 111 silver badge33 bronze badges Show 16 more comments 1 Answer Sorted by: 4 Never assume. Read the data sheet. R2 and R1 set the voltage - and that ONLY in the diagram you posted. There ...
7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 NPN Darlington Output Drive NPN Darlington output topology provides naturally low output impedance and an output capacitor is optional. To support maximum current and lowest temperature, 3-V headroom is recommended (VI – VO). 7.3.2 Over...
(MAX DROP 300mV) VIN 72 25Ω 6 LM301A 121Ω 1 3 1k 84 5μF 365Ω 100pF 25Ω VOUT 5V RL 138A/338A TA06 RETURN For more information www.linear.com/LT138A 138afd 9 LT138A/LT339A LM138/LM338 Schematic Diagram LT138A/LT338A 10 For more information www.linear.com/LT138A ...
Schematic Diagram LM338 Basic circuit Voltage Calculator Look at the Resistors list (without calculating): Protection Diodes 1.25V to 30V, 5A Variable power supply using LM338 How this circuit works Parts you will need The Building NOTE:
regulation—comparable to many commercial power supplies. The LM138 family is supplied in a standard 3-lead transistor package. Connection Diagram Connection Diagrams Figure 1. (TO-3) Metal Can Package Bottom View See Package Number NDS0002A Figure 2. (TO-220) Plastic Package Front...