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參數資料
| 型號： | R1141Q281B |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | SC82 120mA LDO REGULATOR |
| 中文描述： | SC82一二○毫安LDO穩壓器 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 373K |
| 代理商： | R1141Q281B |
'2001.5.7
SC82 120mA LDO REGULATOR
R1141Q SERIES
Rev. 1.10
- 1 -
I
OUTLINE
The R1141Q Series are voltage regulator ICs with high output voltage accuracy, 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 for setting Output Voltage, a current limit circuit, and a chip enable circuit.
Output Current Limit circuit is embedded in the R1141Q Series to prevent the break down of the IC caused by excess current.
Chip enable circuit realizes standby mode and makes consumption current extremely small.
These ICs perform with low dropout voltage and a chip enable function. The line transient response and load transient
response of the R1141Q 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 internally fixed with high accuracy. Since the package for these ICs is SC-82AB (Super
Mini-mold) package, high density mounting of the ICs on boards is possible.
I
FEATURES
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Ultra-Low Supply Current......................................... TYP. 90
μ
A
Standby Mode ........................................................... TYP. 0.1
μ
A
Low Dropout Voltage................................................ TYP. 0.15V(I
OUT
=100mA Output Voltage=3.0V Type)
High Ripple Rejection............................................... TYP. 75dB(V
OUT
≤
2.4V),70dB(V
OUT
≥
2.5V) (f=1kHz)
Low Temperature-Drift Coefficient of Output Voltage TYP. ±100ppm/
°
C
Excellent Line Regulation......................................... TYP. 0.05%/V
High Output Voltage Accuracy.................................. ±1.5% or
±
30mV(V
OUT
≤
2.0V)
Excellent Dynamic Response
Small Package ..........................................................SC-82AB(Super Mini-mold)
Output Voltage...........................................................Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V is
possible
Built-in chip enable circuit (B/D: active high)
Built-in fold-back protection circuit..........................TYP. 40mA (Current at short mode)
Ceramic capacitor can be used for Output pin..........Recommended value is 2.2
μ
F or more.
I
APPLICATIONS
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Power source for cellular phones such as GSM, CDMA and various kinds of PCS.
Power source for electrical appliances such as cameras, VCRs, camcorders, and hand-held communication equipment.
Power source for battery-powered equipment.
Very stable Voltage Reference
相關PDF資料 |
PDF描述 |
|---|---|
| R1141Q281B-TL | SC82 120mA LDO REGULATOR |
| R1141Q281B-TR | SC82 120mA LDO REGULATOR |
| R1141Q281D | SC82 120mA LDO REGULATOR |
| R1141Q281D-TL | SC82 120mA LDO REGULATOR |
| R1141Q | SC82 120mA LDO REGULATOR |
相關代理商/技術參數 |
參數描述 |
|---|---|
| R1141Q281B-TL | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:SC82 120mA LDO REGULATOR |
| R1141Q281B-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:SC82 120mA LDO REGULATOR |
| R1141Q281D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:SC82 120mA LDO REGULATOR |
| R1141Q281D-TL | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:SC82 120mA LDO REGULATOR |
| R1141Q281D-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:SC82 120mA LDO REGULATOR |
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