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參數(shù)資料
| 型號(hào)： | R1154N117B-TR-FE |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓?jiǎn)温份敵鰳?biāo)準(zhǔn)穩(wěn)壓器 |
| 英文描述： | 11.7 V FIXED POSITIVE REGULATOR, PDSO5 |
| 封裝： | HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 9/19頁(yè) |
| 文件大小： | 246K |
| 代理商： | R1154N117B-TR-FE |
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R1154x
17
TECHNICAL NOTES
Phase Compensation
Phase Compensation of the R1154x Series has been made internally for stable operation even though the
load current would vary. Therefore, without the capacitors, CIN and COUT, the output voltage is regulated, however,
for more stable operation, use capacitors as CIN and COUT. Especially, if the input line is long and impedance is
high, CIN is necessary, moreover, if you use COUT, transient response will be improved. Recommended value is in
the range from 0.1
μF to 2.2μF. Wiring should be made as short as possible.
Connect the capacitor, CIN between VDD pin and GND pin and COUT between VOUT and GND as close as
possible.
CE
CIN
VIN
VDD
GND
R1154xxxxB
SERIES
COUT
VOUT
IOUT
CE
CIN
VIN
VDD
GND
R1154x001C
SERIES
COUT
IOUT
VOUT
ADJ
R1
R2
R1154xxxxB Typical Application
R1154xxxxC Typical Application
Thermal Shutdown
Thermal shutdown function is included in the R1154x Series, if the junction temperature is equal or more than
+150°C(Typ.), the operation of regulator would stop. After that, when the junction temperature is equal or less
than
+125°C(Typ.), the operation of regulator would restart. Unless the cause of rising temperature would
remove, the regulator repeats on and off, and output waveform would be like consecutive pulses.
Chip Enable Circuit
Do not make voltage level of chip enable pin keep floating level, or in between VIH and VIL. Unless otherwise,
Output voltage would be unstable or indefinite, or unexpected current would flow internally.
* Technical Notes on Output Voltage Setting of C type
Figure 1. Adjustable Regulator (C type)
GND
R1
RIC
VOUT
ADJ
R2
I1
I2
2.5V
VOUT
IIC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1154N118B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range) |
| R1154N119B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range) |
| R1154N120B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range) |
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