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參數(shù)資料
| 型號(hào)： | RS5RJ3329B-T1 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | GT 24C 24#16 SKT RECP |
| 中文描述： | 0.25 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁(yè)數(shù)： | 27/29頁(yè) |
| 文件大?。?/td> | 574K |
| 代理商： | RS5RJ3329B-T1 |
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RS5RJ
OPERATION OF STEP-UP DC/DC CONVERTER
Step-up DC/DC Converter charges energy in the inductor when Lx Transistor (LxTr) is ON, and discharges the
energy with the addition of the energy from Input Power Source thereto when LxTr is off, so that a higher output
voltage than the input voltage is obtained.
The operation will be explained with reference to the following diagrams:
< Current through L >
< Basic Circuits >
i2
SD
LX Tr
i1
L
CL
VIN
IOUT
VOUT
IL
IL min
IL max
topen
ton
toff
t
T=1/ fosc
Step.1 : LxTr is turned on and current IL (= i1 ) flows, so that energy is charged in L. At this moment, IL(=i1 ) is
increased from ILmin (= 0) to reach ILmax in proportion to the on-time period (ton) of LxTr.
Step.2 : When LxTr is turned off, Schottky diode (SD) is turned on in order that L maintains IL at ILmax, so that
current IL (= i2) is released.
Step.3 : IL (=i2) is gradually decreased, and in the case of discontinuous mode, IL reaches ILmin (=0) after a time
period of topen, so that SD is turned off.
In the case of the VFM control system, with the on-time period (ton) maintained constant, the output voltage
is maintained constant by controlling the oscillator frequency (fosc).
相關(guān)PDF資料 |
PDF描述 |
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| RS5RJ3329B-T2 | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:16; Connector Shell Size:24; Connecting Termination:Solder; Body Style:Straight; Circular Contact Gender:Socket; Gender:Female |
| R1230D001D-TL | PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier |
| R1230D001D-TR | Circular Connector; MIL SPEC:MIL-C-26482, Series I, Crimp; Body Material:Metal; Series:MS C-26482 Series I; No. of Contacts:18; Connector Shell Size:14; Connecting Termination:Crimp; Circular Shell Style:Straight Plug RoHS Compliant: No |
| R1223N502H-TR | PWM/VFM Step-down DC/DC Converter |
| RH5RI303B-T1 | VFM STEP-UP DC/DC CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS5RJ3329B-T2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR |
| RS5RJ3531A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR |
| RS5RJ3531A-T1 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR |
| RS5RJ3531A-T2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR |
| RS5RJ3531B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR |
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