Foldback Current Limiting Circuit Using Transistor at Roberta Shanklin blog

Foldback Current Limiting Circuit Using Transistor. Under a short circuit, where the output voltage has reduced to zero, the current is typically limited to a very small fraction of the maximum current. Working explanation of foldback current limiting circuit. As the current through the two diodes in series begins to rise, they begin to conduct. Figure 1 shows a simple current limiting circuit. As before when the input to the base resistor is 5v. In a typical output short circuit to ground event, the input differential across the error amplifier (ea) will try to force maximum duty cycle. If currents up to 3 a are. This circuit will limit the current through the load to about 50ma. The prime purpose of foldback. This lowers the voltage at the base of the transistor. This article shows how critical capacitive loads are calculated for hot swap circuits with foldback current limit. The foldback current limiting technique allows us to provide the necessary load current at rated voltage but reducing the short circuit current.

What Is a Foldback Current Limit Circuit?
from www.physicsforums.com

Working explanation of foldback current limiting circuit. The prime purpose of foldback. Figure 1 shows a simple current limiting circuit. As the current through the two diodes in series begins to rise, they begin to conduct. This circuit will limit the current through the load to about 50ma. This lowers the voltage at the base of the transistor. The foldback current limiting technique allows us to provide the necessary load current at rated voltage but reducing the short circuit current. Under a short circuit, where the output voltage has reduced to zero, the current is typically limited to a very small fraction of the maximum current. In a typical output short circuit to ground event, the input differential across the error amplifier (ea) will try to force maximum duty cycle. This article shows how critical capacitive loads are calculated for hot swap circuits with foldback current limit.

What Is a Foldback Current Limit Circuit?

Foldback Current Limiting Circuit Using Transistor In a typical output short circuit to ground event, the input differential across the error amplifier (ea) will try to force maximum duty cycle. As the current through the two diodes in series begins to rise, they begin to conduct. Figure 1 shows a simple current limiting circuit. This circuit will limit the current through the load to about 50ma. In a typical output short circuit to ground event, the input differential across the error amplifier (ea) will try to force maximum duty cycle. This article shows how critical capacitive loads are calculated for hot swap circuits with foldback current limit. Under a short circuit, where the output voltage has reduced to zero, the current is typically limited to a very small fraction of the maximum current. The foldback current limiting technique allows us to provide the necessary load current at rated voltage but reducing the short circuit current. Working explanation of foldback current limiting circuit. If currents up to 3 a are. This lowers the voltage at the base of the transistor. As before when the input to the base resistor is 5v. The prime purpose of foldback.

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