參數(shù)資料
型號(hào): RH5RI503B
廠商: Ricoh Co., Ltd.
英文描述: VFM STEP-UP DC/DC CONVERTER
中文描述: 衡工量值式升壓型DC / DC變換器
文件頁(yè)數(shù): 23/24頁(yè)
文件大?。?/td> 179K
代理商: RH5RI503B
RH5RI
22
V
IN
Trance1:1
Diode
OUT
Vss
V
OUT
+
Capacitor
Lx
RH5RI
××
1B
Starter Circuit
(Note) Use a RH5RI
××
2B,depend on the Output Current.
FIG. 8
ZD
ST
R
ST
Tr
V
OUT
side
V
OUT
side
V
IN
side
V
IN
side
Starter Circuit
Starter Circuit
ZDst 2.5V
ZD
ST
Designation of Output Voltage
Rst Input Bias Current of ZD
ST
and Tr.
(several k
to several hundreds k
)
Step-up/Step-down Circuit with Flyback
*
The Starter Circuit is necessary for all above circuits.
1.For Step-up Circuit.
1.For Step-down and Step-up/Step-down Circuit.
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