BR0012366A - Switching power supply circuit - Google Patents

Switching power supply circuit

Info

Publication number
BR0012366A
BR0012366A BR0012366-8A BR0012366A BR0012366A BR 0012366 A BR0012366 A BR 0012366A BR 0012366 A BR0012366 A BR 0012366A BR 0012366 A BR0012366 A BR 0012366A
Authority
BR
Brazil
Prior art keywords
circuit
output voltage
supply circuit
switching
secondary side
Prior art date
Application number
BR0012366-8A
Other languages
Portuguese (pt)
Inventor
Masayuki Yasumura
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to BR0012366-8A priority Critical patent/BR0012366A/en
Priority claimed from PCT/JP2000/003038 external-priority patent/WO2001086796A1/en
Publication of BR0012366A publication Critical patent/BR0012366A/en

Links

Landscapes

  • Dc-Dc Converters (AREA)

Abstract

"CIRCUITO DE SUPRIMENTO DE ENERGIA DE COMUTAçãO". Um circuito de suprimento de energia de comutação que é pequeno, de peso leve, e altamente eficiente em conversão de potência, inclui um transformador de conversor de isolamento, que é formado por um núcleo sem abertura e um enrolamento primário e secundário enrolados no núcleo tal que a indutância mútua entre os enrolamentos exibe um modo aditivo. Um circuito de retificador de meia onda é provido no lado secundário do circuito e executa uma operação de retificação no modo aditivo para obter uma tensão de saída de CC lateral secundário. Em um sistema de circuito de controle de tensão constante para estabilizar a tensão de saída lateral secundário, a freq³ência de comutação de um elemento de comutação é variado em resposta ao nível de tensão de saída lateral secundário para controlar a impedância de ressonância de um circuito de ressonância paralelo lateral primário e o ângulo de continuidade do elemento de comutação de forma composta."SWITCHING ENERGY SUPPLY CIRCUIT". A switching power supply circuit that is small, light weight, and highly efficient in power conversion, includes an isolation converter transformer, which is formed by an unopened core and a primary and secondary winding wrapped around the core. that the mutual inductance between the windings exhibits an additive mode. A half-wave rectifier circuit is provided on the secondary side of the circuit and performs a rectifying operation in the additive mode to obtain a secondary lateral DC output voltage. In a constant voltage control circuit system to stabilize the secondary side output voltage, the switching frequency of a switching element is varied in response to the secondary side output voltage level to control the resonance impedance of a circuit. primary lateral parallel resonance and the continuity angle of the composite switching element.

BR0012366-8A 2000-05-11 2000-05-11 Switching power supply circuit BR0012366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR0012366-8A BR0012366A (en) 2000-05-11 2000-05-11 Switching power supply circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR0012366-8A BR0012366A (en) 2000-05-11 2000-05-11 Switching power supply circuit
PCT/JP2000/003038 WO2001086796A1 (en) 2000-05-11 2000-05-11 Switching power supply circuit

Publications (1)

Publication Number Publication Date
BR0012366A true BR0012366A (en) 2002-03-26

Family

ID=25663447

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012366-8A BR0012366A (en) 2000-05-11 2000-05-11 Switching power supply circuit

Country Status (1)

Country Link
BR (1) BR0012366A (en)

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1927 DE 11/12/2007.