JPH0241632U - - Google Patents
Info
- Publication number
- JPH0241632U JPH0241632U JP11988288U JP11988288U JPH0241632U JP H0241632 U JPH0241632 U JP H0241632U JP 11988288 U JP11988288 U JP 11988288U JP 11988288 U JP11988288 U JP 11988288U JP H0241632 U JPH0241632 U JP H0241632U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- gate
- capacitor
- fet
- power supply
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す要部回路図、
第２図は第１図の回路を詳細に説明した回路図、
第３図は従来装置の回路図、第４図は第２図及び
第３図の装置の動作を比較した波形図である。
Ｑ１……ＦＥＴ素子、Ｑ２……スイツチング素
子、Ｃ２……第２のコンデンサ。
FIG. 1 is a main circuit diagram showing an embodiment of the present invention.
Figure 2 is a circuit diagram explaining the circuit in Figure 1 in detail;
FIG. 3 is a circuit diagram of a conventional device, and FIG. 4 is a waveform diagram comparing the operations of the devices shown in FIGS. 2 and 3. Q1...FET element, Q2... switching element, C2... second capacitor.
Claims (1)
ＤＣコンバータ部を用いて出力電圧を安定化する
直流電源において、 前記直流電圧が印加される端子間に接続された
抵抗、ダイオード及び第１のコンデンサよりなる
直列回路と、 前記直流電圧が印加される端子と前記ＤＣ−Ｄ
Ｃコンバータ部間に接続され、前記第１のコンデ
ンサに得られる電圧がゲートに印加されるＦＥＴ
素子と、 前記ＤＣ−ＤＣコンバータ部から得られるリセ
ツト電圧を分圧し、前記ＦＥＴ素子のゲートに与
える分圧抵抗と、 前記ＦＥＴ素子のドレインとゲートの間に設け
られた第２のコンデンサと、 よりなる突入電流制限回路を備えたことを特徴
とする直流電源の突入電流制限回路。[Claims for utility model registration] Switching type DC- that inputs DC voltage
A DC power supply that uses a DC converter section to stabilize an output voltage includes: a series circuit including a resistor, a diode, and a first capacitor connected between terminals to which the DC voltage is applied; and a series circuit to which the DC voltage is applied. terminal and the DC-D
an FET connected between the C converter sections and having a gate applied to the voltage obtained in the first capacitor;
an element, a voltage dividing resistor that divides the reset voltage obtained from the DC-DC converter section and applies it to the gate of the FET element, and a second capacitor provided between the drain and gate of the FET element. An inrush current limiting circuit for a DC power supply, characterized by comprising an inrush current limiting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11988288U JPH0615473Y2 (en) | 1988-09-14 | 1988-09-14 | Inrush current limiting circuit for DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11988288U JPH0615473Y2 (en) | 1988-09-14 | 1988-09-14 | Inrush current limiting circuit for DC power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241632U true JPH0241632U (en) | 1990-03-22 |
| JPH0615473Y2 JPH0615473Y2 (en) | 1994-04-20 |
Family
ID=31365500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11988288U Expired - Lifetime JPH0615473Y2 (en) | 1988-09-14 | 1988-09-14 | Inrush current limiting circuit for DC power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615473Y2 (en) |
-
1988
- 1988-09-14 JP JP11988288U patent/JPH0615473Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615473Y2 (en) | 1994-04-20 |