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參數(shù)資料
| 型號： | RN5RY401C |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | VFM STEP-UP DC/DC CONVERTER CONTROLLER |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, 180 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | MINI, PLASTIC, SOT-23, 5 PIN |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 117K |
| 代理商： | RN5RY401C |
VFM STEP-UP DC/DC
CONVERTER CONTROLLER
RN5RY
××
1 SERIES
1
OUTLINE
The RN5RY
××
1 Series are VFM Control ICs for step-up DC/DC converter with an external driver transistor
featuring high output voltage accuracy and low supply current by CMOS process. Each of the RN5RY
××
1 Series
ICs consists of a voltage reference unit, an error amplifier, an oscillator, a VFM control circuit and feed back resis-
tors. A low ripple, high efficiency step-up DC/DC converter can be composed of the RN5RY
××
1 Series with only
an inductor, a diode, a capacitor, and a drive transistor.
Since the package for these ICs are SOT-23-5( Mini-mold)package, high density mounting of the ICs on boards
is possible.
Low Supply Current ..................................................................................TYP. 3μA
Low Standby Current..................................................................................TYP. 0.6μA
Low Temperature-Drift Coefficient of Output Voltage ...........................TYP. ±50ppm / C
High Accuracy Output Voltage...................................................................±2.5%
Low Oscillation Start-up Voltage...............................................................MAX. 0.8V
Small Package .............................................................................................SOT-23-5(Mini-Mold)
FEATURES
APPLICATIONS
Power source for battery-powered instruments.
Power source for cameras, VCRs, camcorders, pagers, and other hand-held communication instruments.
BLOCK DIAGRAM
+
–
5
3
1
2
Vref
OSC
Output
Buffer
CE
EXT
V
OUT
GND
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