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參數(shù)資料
| 型號： | R1118N091D-TR-FE |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 0.9 V FIXED POSITIVE LDO REGULATOR, 0.98 V DROPOUT, PDSO5 |
| 封裝： | HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 496K |
| 代理商： | R1118N091D-TR-FE |
R1118x SERIES
AUTOMATIC MODE SHIFT / 150mA LOW VOLTAGE REGULATOR
NO.EA-175-100202
1
OUTLINE
R1118x Series are CMOS-based voltage regulator ICs with ultra low supply current (Typ.5.5
μA), and
remarkable improved transient response compared with the conventional low supply current voltage regulator.
The supply current of these ICs is automatically shifts between fast mode and low power mode, it depending on
the load current. The current threshould is fixed internally. R1118x shifts from low power mode to fast response
mode at IOUT=7mA (Typ.) and shifts fast response mode to low power mode at IOUT=2mA (Typ.).
These ICs are capable of the low input voltage (Min.1.4V) and the output voltage range from 0.8V is possible.
The output voltage of R1118x is fixed in the IC.
Each of these ICs consists of a voltage reference unit, an error amplifier, a resister net for setting output
voltage, a current limit circuits for over-current.
A standby mode with ultra low supply current can be realized with the chip enable function.
Since the packages for these ICs are SOT-23-5 and DFN(PLP)1612-4B, therefore high density mounting of the
ICs on boards is possible.
FEATURES
Supply Current (Low power Mode) ..............................Typ. 5.5μA (IOUT=0mA)
Supply Current (Fast Mode).........................................Typ. 50μA (IOUT=11mA)
Supply Current (Standby Mode)...................................Typ. 0.1 μA
Ripple Rejection ...........................................................Typ. 70dB (f=1kHz)
Typ. 60dB (f
=10kHz)
Input Voltage Range.....................................................1.4V to 6.0V
Output Voltage Range..................................................0.8V to 4.2V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
Output Voltage Accuracy..............................................±1.0% (1.5V < VOUT <
= 3.5V, Topt=25°C)
Temperature-Drift Coefficient of Output Voltage ..........Typ. ±100ppm/°C
Dropout Voltage............................................................Typ. 0.27V (IOUT=150mA, VOUT=2.8V)
Line Regulation ............................................................Typ. 0.02%/V
Packages......................................................................DFN(PLP)1612-4B, SOT-23-5
Built-in Fold Back Protection Circuit.............................Typ. 40mA
Ceramic capacitors are recommended to be used with this IC .... 1.0μF
APPLICATIONS
Power source for portable communication equipment.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
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