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參數(shù)資料
| 型號(hào)： | R1122N3.1A-TR |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大小： | 295K |
| 代理商： | R1122N3.1A-TR |
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2000. 3.13
LOW NOISE 150mA LDO REGULATOR
R1122N SERIES
Rev. 1.10
- 1 -
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OUTLINE
The R1122N Series are voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON-
resistance and high ripple rejection by CMOS process. Each of these voltage regulator ICs consists of a voltage reference unit,
an error amplifier, resistors, a current limit circuit, and a chip enable circuit. These ICs perform with low dropout voltage and
a chip enable function.
The line transient response and load transient response of the R1122N Series are excellent, thus these ICs are very suitable for
the power supply for hand-held communication equipment. The output voltage of these ICs is fixed with high accuracy.
Since the package for these ICs are SOT-23-5 (Mini-mold) package, high density mounting of the ICs on boards is possible.
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FEATURES
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Ultra-Low Supply Current.................................................TYP. 100
m
A
Standby Mode ...................................................................TYP. 0.1
m
A
Low Dropout Voltage........................................................TYP. 0.19V (I
OUT
= 100mA, 3V Output type)
High Ripple Rejection.......................................................TYP. 80dB (f = 1kHz)
Low Temperature-Drift Coefficient of Output Voltage .....TYP.
±
100ppm/
°
C
Excellent Line Regulation.................................................TYP. 0.05%/V
High Accuracy Output Voltage..........................................
±
2.0%
Small Package ..................................................................SOT-23-5 (Mini-mold)
Output Voltage ..................................................................Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V
is possible.
Built-in chip enable circuit (2 Types; A: active “L”, B: active “H”)
Built-in Fold-back protection circuit.................................Short Current Typ. 30mA
Pinout ................................................................................Similar to the TK112, TK111
Ceramic Capacitors are Recommendable to be used with this IC.
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APPLICATIONS
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Power source for cellular phones such as GSM, CDMA, PCS and so forth.
Power source for domestic appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1122N4.0A-TL | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:Analog IC |
| R1122N4.0A-TR | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:Analog IC |
| R1122N4.0B-TL | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:Analog IC |
| R1122N4.0B-TR | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:Analog IC |
| R1122N4.1A-TL | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:Analog IC |
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