VOLTAGE REGULATOR
FOR MIDDLE OUTPUT CURRENT
R
×
5RE SERIES
OUTLINE
The R
×
5RE Series are voltage regulator ICs with high output voltage accuracy and ultra-low quiescent
current by CMOS process. Each of these ICs consists of a voltage reference unit, an error amplifier, a driver
transistor, and resistors for setting output voltage, and a current limit circuit. By use of these ICs, a con-
stant voltage power supply circuit with high efficiency can be constructed because the dropout voltage and
quiescent current of these ICs are very small. Furthermore, theses ICs have a built-in current limit circuit.
The output voltage of these ICs is fixed with high accuracy.
Two types of packages, TO-92 and SOT-89 (Mini-power Mold) are available.
FEATURES
• Large Output Current ......................................TYP. 120mA (R
×
5RE50A)
• Low Temperature-Drift Coefficient of Output Voltage ...........................TYP. ±100ppm/˚C
• Broad Operating Voltage Range ......................MAX. 10.0V
• Excellent Line Regulation ................................TYP. 0.1%/V
• High Accuracy Output Voltage ........................±2.5%
• Output Voltage ...................................................Stepwise setting with a step of 0.1V in the range of 2.0V to 6.0V is
possible (refer to Selection Guide)
• Two Types of Packages ..................................TO-92, SOT-89 (Mini-power Mold)
• Ultra-low Quiescent Current ...........................TYP. 1.1µA (R
×
5RE30A,V
IN
=5.0V)
• Ultra-low Dropout Voltage ...............................TYP. 0.5V (R
×
5RE50A,I
OUT
=60mA)
APPLICATIONS
•
Power source for battery-powered equipment.
•
Power source for cameras, video instruments such as camcorders, VCRs, and hand- held communication equipment.
•
Precision voltage references.
BLOCK DIAGRAM
V
IN
2
3
V
OUT
+
–
Vref
1
GND
1
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
