參數(shù)資料
型號(hào): RH5RH303B-T1
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: PWM STEP-UP DC/DC CONVERTER
中文描述: 0.25 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO5
封裝: SOT-89, 5 PIN
文件頁數(shù): 21/29頁
文件大?。?/td> 199K
代理商: RH5RH303B-T1
27
VIN
Trance1:1
Diode
OUT
Vss
VOUT
+
Capacitor
Lx
RH5RH
××1A
Starter Circuit
(Note) Use a RH5RH
××2B,depend on the Output Current.
FIG. 8
ZDST
RST
Tr
VOUT side
VIN side
Starter Circuit
ZDst 2.5V
≤/ZDst≤Designation of Output Voltage
Rst
Input Bias Current of ZDst 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.
2.for Step-down and Step-up/Step-down Circuit.
RH5RH
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