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Switching-Regulator Circuit

Index 8



5.1V/10A regulator circuit diagram composed of L4972A、L4974A

Published:2011/3/23 2:01:00 Author:Nicole | Keyword: 5.1V/10A regulator

5.1V/10A regulator circuit diagram composed of L4972A、L4974A
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MAX840/MAX843/MAX844 Integrated switching regulator circuit diagram

Published:2011/3/22 1:03:00 Author:Nicole | Keyword: Integrated switching regulator

MAX840/MAX843/MAX844 Integrated switching regulator circuit diagram
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Based on LM/LT Multifunction switch integrated regulator application circuit diagram

Published:2011/3/22 1:00:00 Author:Nicole | Keyword: Multifunction switch, integrated regulator

Based on LM/LT Multifunction switch integrated regulator application circuit diagram
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SPT1141/1151 Multifunction switch controller circuit diagram

Published:2011/3/22 1:00:00 Author:Nicole | Keyword: switch controller

SPT1141/1151 Multifunction switch controller circuit diagram
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Ordinary transistor switching power supply circuit diagram

Published:2011/3/23 20:36:00 Author:Nicole | Keyword: transistor, switching power supply

Ordinary transistor switching power supply circuit diagram
Transistor switching power is widely applied, as shown, this is a circuit diagram. In the figure, the transformer T, diodes VD1 ~ VD4 and capacitor C5 form the rectifier filter circuit; resistors R7, R8 and R9 in series sampling circuit; transistor VT4 as the error amplifier; transistor VT2, VT3 composite component switching regulator; VT1 is the pulse width adjustment tube; VT1, VT2, VT3 and the R3, C8 form the self-oscillation circuit; resistor R6 and Zener diode VD6 form reference; VD5 is the freewheeling diode; L is the energy storage inductor; VD5, L and C12 component output filter; R5 and C10 form a loop, it can make the freewheeling diode VD5 has good recovery characteristics.   (View)

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Single-ended flyback switching power supply circuit diagram of capacitance-type pressure clamp

Published:2011/3/22 21:48:00 Author:Nicole | Keyword: switching power supply

Single-ended flyback switching power supply circuit diagram of capacitance-type pressure clamp
As shown, when the VT1 turns on, charging capacitor C02, C01 discharging, the primary winding N11 of the transformer Tl is applied to about l / 2 of the input voltage; when VTl stops, the voltage of N11 is polarity reversal, the emitter voltage Uce1 of VT1 reach the input voltage Ui, the diode VD4 turns on, Ucel is clamped; Similarly, VT2 turns on, C02 discharging, C01 charging, the primary winding N21 of T2 is applied to about 1 / 2 of the input voltage; VT2 stops, the voltage of N21 is polarity reversal, after VD3 turns on , Uce2 is also clamped to the input voltage Ui.   (View)

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Double-ended converting circuit switching power supply circuit diagram

Published:2011/3/22 21:24:00 Author:Nicole | Keyword: switching power supply

Double-ended converting circuit switching power supply circuit diagram
Push-pull converter is double-ended converter. The high-frequency transformer work both sides of the hysteresis loop, it is a simple design and reasonable line for a wide application. The typical circuit as shown. Switching transistor VTl, VT2 turned on and off by the base drive circuit alternating incentive, inputing DC voltage Ui converted into high frequency square wave AC voltage. VTl turns on, Ui through VT1 added to the primary winding Nl of the transformer T1. Due to the role of the transformer, the cut-off transistor VT2 will be imposed on 2 times input voltage, that is 2Ui. When the base incentive disappears, VTl, VT2 tubes are closed. The collector voltage is input voltage Ui. Next half cycle, VT2 turn on, VT1 stop, VTl 2 is imposed on 2 times input voltage, followed by another two cut-off, the next cycle to start again. The main disadvantage of push-pull circuit is the voltage of switching transistor should reach 2 times of the input power. The peak voltage, take the network voltage of 220 (1 ± 10%) V for example, the maximum steady cut-off voltage is 680V, ​​coupled with the dynamic process of voltage spikes, switching transistors have to withstand more than 800V voltage.   (View)

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Switching integrated regulated power supply circuit

Published:2011/3/24 2:01:00 Author:Joan | Keyword: Switching power supply , integrated power supply , regulated power supply , power supply

Switching integrated regulated power supply circuit
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Ring-type power expansion switching power supply circuit diagram

Published:2011/3/21 22:11:00 Author:Nicole | Keyword: switching power supply

Ring-type power expansion switching power supply circuit diagram
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Switching Power Supply for Logic of the chips--Pentium Pro Processor Circuit Diagram

Published:2011/3/21 1:42:00 Author:Rebrecca | Keyword: Switching Power Supply, Pentium Pro, Processor

Switching Power Supply for Logic of the chips--Pentium Pro Processor Circuit Diagram
The Switching Power Supply for Logic of the chips--Pentium Pro Processor Circuit Diagram is as below.   (View)

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Standard linear switching regulated power supply schematic

Published:2011/3/17 21:04:00 Author:Joan | Keyword: linear switching , regulated power supply

Standard linear switching regulated power supply schematic
The figure is the Standard linear switching regulated power supply schematic.   (View)

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