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MOSFET resonant DC / DC converter circuit diagram

Published:2011/4/1 3:49:00 Author:Nicole | Keyword: converter

MOSFET resonant DC / DC converter circuit diagram
The figureof a MOSFET resonant DC / DC converter circuit isas below. In this circuit, the transformer is operating in unsaturation mode, with arc changes through the grid feedback voltage of MOSFET, by reducing the grid voltage to make MOSFET flip.   (View)

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With zero current transition soft-switching power supply circuit diagram

Published:2011/4/1 3:48:00 Author:Nicole | Keyword: soft-switching power supply

With zero current transition soft-switching power supply circuit diagram
The figure of a zero current transition soft-switching power supply practical circuit as below: single-phase AC input; output DC; main switchadopts MOSFET; power converteradopts half bridge circuit; integrated control chipadopts UC2865; power conversion adopts zero current transformation circuit.   (View)

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Stabilized voltage and stabilized current circuit use intergrated circuit

Published:2011/3/30 1:26:00 Author:may | Keyword: Stabilized voltage and stabilized current

Stabilized voltage and stabilized current circuit use intergrated circuit
Stabilized voltage and stabilized current circuit use intergrated circuit
Stabilized voltage and stabilized current circuit use intergrated circuit

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5V/2A isolated switching power supply circuit diagram

Published:2011/4/6 3:15:00 Author:Nicole | Keyword: switching power supply, isolated

5V/2A isolated switching power supply circuit diagram
The circuit diagram as shown. C1 stands for the input filter capacitor. VDz and VD1 formonce sideclamp protection circuit. R1 is the resistance of the controlled end, C2 is a bypass capacitor. C10 is paralleled between TOP414GC-S-side to prevent high frequency interference occurring in the control side and caused power circuit malfunction. VD2 represents the output rectifier diodes, C3, C4, L, C5 and C6 form the output filter, C9 for the output Noise capacitor. External error amplifier is composed of the shunt regulator TL431. When the output voltage fluctuations, the samples obtained after R3, R4 partial pressure, compared with TL431 voltage reference, resulting in an external control signal, and then through the optical coupler PC817A to change TOP414G control terminal current, thereby regulating the track duty stabilize the Uo. Control loop gain is set by the R2. After VD3, C7 rectifier filter, the feedback winding voltage give the infrared receiver of PC817A power supply.   (View)

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3000VA inverter power supply circuit

Published:2011/3/31 21:32:00 Author:may | Keyword: inverter power supply

3000VA inverter power supply circuit
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13V stabilized voltage supply composed of μ7812

Published:2011/3/29 20:27:00 Author:may | Keyword: stabilized voltage supply

13V stabilized voltage supply composed of μ7812
13V stabilized voltage supply composed of μ7812 adopts diode to upgrade output voltage.   (View)

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0~20V Adjustable power supply composed of μA723

Published:2011/3/29 20:33:00 Author:may | Keyword: Adjustable power supply

0~20V Adjustable power supply composed of μA723
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New type Ni-Cd battery charger circuit schematic diagram

Published:2011/4/11 22:24:00 Author:Nicole | Keyword: Ni-Cd battery, charger

New type Ni-Cd battery charger circuit schematic diagram
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Automatic AC voltage regulator

Published:2011/4/11 3:47:00 Author:Nicole | Keyword: AC voltage regulator

Automatic AC voltage regulator
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Automatic AC regulated power supply

Published:2011/4/11 3:46:00 Author:Nicole | Keyword: regulated power supply

Automatic AC regulated power supply
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3~9V adjustable regulated power supply circuit with 1 sampling ratio

Published:2011/4/11 3:44:00 Author:Nicole | Keyword: regulated power supply, sampling ratio

3~9V adjustable regulated power supply circuit with 1 sampling ratio
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Under-voltage special integrated chip MC3X164 series internal circuit diagram

Published:2011/4/11 3:39:00 Author:Nicole | Keyword: under-voltage, integrated chip

Under-voltage special integrated chip MC3X164 series internal circuit diagram
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Soft start regulated power supply

Published:2011/4/11 3:35:00 Author:Nicole | Keyword: soft start, regulated power supply

Soft start regulated power supply
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Full wave commutate circuit

Published:2011/4/11 3:41:00 Author:Nicole | Keyword: Full wave commutate

Full wave commutate circuit
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Three-level passive lossless soft-switching PFC circuit topology

Published:2011/4/11 3:13:00 Author:Nicole | Keyword: passive lossless soft-switching, PFC

Three-level passive lossless soft-switching PFC circuit topology
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Standard application circuit of three terminal adjustable negative output voltage integrated regulator

Published:2011/4/11 3:11:00 Author:Nicole | Keyword: negative output voltage, integrated regulator

Standard application circuit of three terminal adjustable negative output voltage integrated regulator
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6V regulated power supply circuit worked in the temperature range of -55℃~71℃

Published:2011/4/11 3:06:00 Author:Nicole | Keyword: regulated power supply, temperature range

6V regulated power supply circuit worked in the temperature range of -55℃~71℃
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Button type rechargeable lithium ion battery charging circuit

Published:2011/4/11 3:03:00 Author:Nicole | Keyword: lithium ion battery, button type

Button type rechargeable lithium ion battery charging circuit
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Logic level control regulated power supply

Published:2011/4/11 2:39:00 Author:Nicole | Keyword: Logic level control, regulated power supply

Logic level control regulated power supply
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Logic control integrated regulated power supply

Published:2011/4/11 2:38:00 Author:Nicole | Keyword: logic control, regulated power supply

Logic control integrated regulated power supply
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