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RN5RT45A Datasheet Preview

RN5RT45A Datasheet

LOW DROPOUT VOLTAGE REGULATOR

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RN5RT SERIES
LOW DROPOUT
VOLTAGE REGULATOR
NO. EA-038-111027
OUTLINE
The RN5RT Series are CMOS-based voltage regulator ICs with high output voltage accuracy and low supply cur-
rent developed . Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, output
voltage setting resistors and a current limit circuit.
The output voltage of these ICs is fixed with high accuracy.
The built-in Driver Transistor of low ON Resistance permits developing of low dropout CMOS type regulator as
RN5RT Series.
Even if VOUT is shorted to GND, the current limit circuit protects the ICs from destruction.
Furthermore, these ICs have a chip enable function, so that the supply current on standby can be minimized.
Since the package for these ICs is the SOT-23-5 (Mini-mold) package, high density mounting of the ICs on
boards is possible.
FEATURES
• Ultra-Low Supply Current...........................................Typ. 4µA (except ICEL)
• Standby Mode..............................................................Typ. 0.1µA
• Low Dropout Voltage ..................................................Typ. 0.3V (IOUT=60mA, RN5RT30A)
• Low Temperature-Drift Coefficient of Output Voltage........Typ. ±100ppm/˚C
• Excellent Line Regulation...........................................Typ. 0.15%/V
• 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).
• High Accuracy Output Voltage ..................................±2.0%
• Built-in Current Limit Circuit .....................................Typ. 30mA
• Small Package..............................................................SOT-23-5 (Mini-mold)
APPLICATIONS
Power source for battery-powered equipment.
Power source for cellular phones, cameras, VCRs, camcorders, hand-held audio instruments and hand-held com-
munication equipment.
Power source for domestic appliances.
1




RICOH

RN5RT45A Datasheet Preview

RN5RT45A Datasheet

LOW DROPOUT VOLTAGE REGULATOR

No Preview Available !

RN5RT
BLOCK DIAGRAM
VDD 2
3 VOUT
+
Current Limit
Vref
5
CE
1 GND
SELECTION GUIDE
The output voltage, the packing type, and the taping type for the ICs can be selected at the user's request.
These selections can be made by designating the part number as shown below:
RN5RT xxxxx Part Number
↑ ↑↑ ↑
a bc d
Code
a
b
c
d
Contents
Setting Output Voltage (VOUT) :
Stepwise setting with a step of 0.1V in the range of 2.0V to 6.0V is possible.
A
Designation of Packing Type :
A : Taping
C : Antistatic bag (for Samples only)
Designation of Taping Type :
Ex. TR, TL (refer to Taping Specifications ; TR type is the standard direction.)
2


Part Number RN5RT45A
Description LOW DROPOUT VOLTAGE REGULATOR
Maker RICOH
Total Page 15 Pages
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