JP2001078440A - 携帯機器の昇圧回路 - Google Patents
携帯機器の昇圧回路Info
- Publication number
- JP2001078440A JP2001078440A JP25412199A JP25412199A JP2001078440A JP 2001078440 A JP2001078440 A JP 2001078440A JP 25412199 A JP25412199 A JP 25412199A JP 25412199 A JP25412199 A JP 25412199A JP 2001078440 A JP2001078440 A JP 2001078440A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- switching transistor
- capacitor
- circuit
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25412199A JP2001078440A (ja) | 1999-09-08 | 1999-09-08 | 携帯機器の昇圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25412199A JP2001078440A (ja) | 1999-09-08 | 1999-09-08 | 携帯機器の昇圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001078440A true JP2001078440A (ja) | 2001-03-23 |
| JP2001078440A5 JP2001078440A5 (enExample) | 2006-08-03 |
Family
ID=17260527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25412199A Pending JP2001078440A (ja) | 1999-09-08 | 1999-09-08 | 携帯機器の昇圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001078440A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003075324A (ja) * | 2001-09-06 | 2003-03-12 | Sysmex Corp | 抵抗式粒子計数装置 |
| JP2006295409A (ja) * | 2005-04-07 | 2006-10-26 | Fujitsu Ten Ltd | ドライバ切換方法およびドライバ切換装置 |
-
1999
- 1999-09-08 JP JP25412199A patent/JP2001078440A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003075324A (ja) * | 2001-09-06 | 2003-03-12 | Sysmex Corp | 抵抗式粒子計数装置 |
| JP2006295409A (ja) * | 2005-04-07 | 2006-10-26 | Fujitsu Ten Ltd | ドライバ切換方法およびドライバ切換装置 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5635776A (en) | Charge pump voltage converter | |
| US8665255B2 (en) | Power supply circuit and display device including the same | |
| US7005912B2 (en) | Simple step-up apparatus including level shift circuits capable of low breakdown voltage | |
| CN103475213B (zh) | 具有多级电荷帮浦的电源电路 | |
| US5712778A (en) | Voltage multiplying DC-DC converter for a thin film transistor liquid crystal display | |
| KR900008187B1 (ko) | 전압 체배기 회로 | |
| US20050007186A1 (en) | Boost clock generation circuit and semiconductor device | |
| US20130257522A1 (en) | High input voltage charge pump | |
| JP4042627B2 (ja) | 電源電圧変換回路およびその制御方法、ならびに表示装置および携帯端末 | |
| US20050156924A1 (en) | Voltage booster circuit, power supply circuit, and liquid crystal driver | |
| US6861889B2 (en) | Amplitude converting circuit | |
| US7148740B2 (en) | Boost circuit and semiconductor integrated circuit | |
| US8314648B2 (en) | Power supply circuit and display device including the same | |
| US12040705B2 (en) | Self clocked low power doubling charge pump | |
| US7295198B2 (en) | Voltage booster circuit, power supply circuit, and liquid crystal driver | |
| JP3205756B2 (ja) | 電子機器 | |
| JP2001078440A (ja) | 携帯機器の昇圧回路 | |
| US20050200622A1 (en) | Power supply circuit, driver IC using the power supply circuit, liquid crystal display device, and electronic instrument | |
| US20230387105A1 (en) | Device with a High Efficiency Voltage Multiplier | |
| US7038528B2 (en) | High voltage generator incorporated in an integrated circuit | |
| JP2001245468A (ja) | 昇圧回路 | |
| JPH10142575A (ja) | 表示装置駆動回路 | |
| JP2008136262A (ja) | Ｄｃ−ｄｃコンバータ及び表示装置 | |
| US20060186943A1 (en) | Ultra-low-power voltage transform circuit | |
| JP2003280609A (ja) | 液晶表示装置およびその揺動電源レベルシフタｉｃ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060620 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060620 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090311 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090317 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090714 |