[NSRCA-discussion] Voltage regulator maintenance/replacement/reliability

[Ron Van Putte]

On Jun 16, 2006, at 3:25 PM, rcmaster199 at aol.com wrote:

> One more thing to consider regarding airborne VRs. I am not sure of  
> the circuitry in your failed VR however, in Ed's VR design, he uses  
> a heat sink on the device to absorb the heat build up due to the  
> resistive voltage drop. Ed stated that if the voltage is regulated  
> to say 5.5 volts from the 7.4 nominal voltage of the Li-ion or  
> LiPo, the heat generated and requiring dissipation isn't trivial.

Yes, and I've had some guys tell me that they are using a 3-cell LiPo  
with a voltage regulator.  Just imagine the heat they are generating.

Ron Van Putte