Is it safe to use a 19V DC adapter for a 12V input if it can provide enough watts?
423
Choosing power supply, how to get the voltage and current ratings?
69578
Is it really possible to "boost" 6 V DC to above 50 kV? Or even 400 kV?
142418
Can you split power between two voltage regulators?
47274
How can i transfer 12 V, 50 Hz, 1 A wirelessly?
5227
When would I use a voltage regulator vs voltage divider?
88265
Cann I use a 19.5V 4.62A laptop charger for 19V 4.74A laptop?
91243
What are the highest DC and AC voltages or currents that can be considered as safe?
106598
Is it safe to connect battery in series with wall adapter?
63411
Is it ok to feed the output of one LDO regulator to the input of another?
91437
Amplifying 10-30mV into at least 5V
32052
how to reduce DC voltage using resistors?
145316
Paralleling power supplies for higher current
44127
What are the ways to make a dual power supply from a single voltage source?
15008
Capacitor sizing on a voltage regulator output
12033
What would happen if I connect two different DC voltage sources in parallel?
36923
Which method or component is best to regulate 42 to 3.3 V?
64128
Name of component on output side cable of a DC power adapter?