power supply circuit

2_A_converter_with_extended_remote_sensing

Published:2009/7/25 1:33:00 Author:Jessie

This circuit provides an adjustable output voltage through operation of a remote regulator and a 4N35 optocoupler.   (View)

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5_A_converter_with_high_input_voltage

Published:2009/7/25 1:32:00 Author:Jessie

This circuit provides an adjustable output voltage,and it can beoperated with input voltages between 30 and 80 V．   (View)

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30__to_5_V_at_20_A_converter

Published:2009/7/25 1:31:00 Author:Jessie

This circuit provides an adjustable output voltage. Figure 4-24B shows component source information.   (View)

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38__to_14_V_at_40_A_converter

Published:2009/7/25 1:30:00 Author:Jessie

This circuit provides both an adjustable output voltage and an adjustable currentlimit.   (View)

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Step_down_converter_with_zero_outyout_capability

Published:2009/7/25 1:28:00 Author:Jessie

This circuit can be adjusted from 5 down to 0 V.   (View)

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Isolated_regulator

Published:2009/7/25 3:09:00 Author:Jessie

This optocoupler-based circuit provides galvanically isolated, regulated voltage. The output is +5 V at 1 A with the values shown. The output can be fixed at any value between 3.2 and 25 V, by selecting R2, using R2= R1 (VOUT -1.25)/1.25. If VOUT is greater than 6 V, insert Zener D1 between point X and Y, with Vz= Vour - 5 V. This prevents the voltage across the LM385 from exceeding the 5.4-V max, limit   (View)

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Inverting_regulator

Published:2009/7/25 3:05:00 Author:Jessie

This circuit converts 12-V to an adjustable -15-V output at 500 mA,with less than 1％ripple.   (View)

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Step_down_voltage_regulator_with_increased_current_ratings

Published:2009/7/25 3:04:00 Author:Jessie

This circuit is similar to that of Fig．4－67，except that the input is 30 V,and the output is 5V at 5A.   (View)

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Multi_output_converter_with_low_quiescent_current

Published:2009/7/25 2:10:00 Author:Jessie

This circuit provides 5-V output at 1 A, and ±12-V outputs from 12-V input, with about 100-mA quiescent current.   (View)

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Buck_converter_with_lown_quiescent_current

Published:2009/7/25 2:05:00 Author:Jessie

This circuit provides 5-V output for 8- to 16-V input, with about 10-mA quiescent current.   (View)

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5__to_±15_V_converter_with_low_quiescent_current

Published:2009/7/25 2:04:00 Author:Jessie

This circuit provides±15 V at 100 mA, with only 10-mA quiescent current (IQ).   (View)

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Boost_or_CUK_inverting_dc_dc_converter

Published:2009/7/25 1:45:00 Author:Jessie

This circuit inverts the output (negative out for positive in) and either steps up or steps down in the input. Typical performance data, switching waveforms, and component source information are given in Figs. 4-34B, 4-34C, and 4-34D, respectively.   (View)

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Step_up_＋6_Vdc_to_48_Vdc_at_90_mA

Published:2009/7/25 1:43:00 Author:Jessie

This circuit converts 6-V to a 48-V（adjustable）output．   (View)

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_Single_inductor_5_V_to±15_V_converter

Published:2009/7/25 2:01:00 Author:Jessie

This circuit converts 5 V to±15 V at 25 mV、withouta transformer,and with only one ilnexpenslve inductor .   (View)

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Ultra_lown_noise_5_to_±15_V_converter

Published:2009/7/25 1:59:00 Author:Jessie

This circuit converts 5V to ±15V at 75mA,with an output noise of less than 30μV p-p(2ppm)   (View)

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Low_noise_5__to_±15_V_converter

Published:2009/7/25 1:57:00 Author:Jessie

This circuit converts 5 V to ±15 V at 250 mA, with an output noise of about 200 μV peak-to-peak.   (View)

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Off_line_multiple_output_flyback_converter

Published:2009/7/25 1:54:00 Author:Jessie

This circuit provides +5 V at 1 A, +12 V at 0.2 A, and -12 V at 0.2 A from a 103- to 129-Vac line input. Figure 4-38B shows component source information.   (View)

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Flyback_converter

Published:2009/7/25 1:51:00 Author:Jessie

This circuit provides a -40-V output at 0.18 A from a +12-V input.Component source information is given in Fig. 4-37B.   (View)

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Inverting_buck_boost_converter

Published:2009/7/25 1:49:00 Author:Jessie

This circuit provides positive outputs for negative inputs at the same voltage, at a higher voltage, or at a lower voltage. Typical performance data and component source information are given in Figs. 4-36B and 4-36C, respectively.   (View)

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Inverting_step_down_converter_with_adjustable_output

Published:2009/7/25 1:47:00 Author:Jessie

This circuit provides a +9 to +30 V output at 5 A from a -48-V input.Typical performance data and component source information are given in Figs.4-35B and 4-35C, respectively.   (View)

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