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RICOH electronics

R1180Q Datasheet Preview

R1180Q Datasheet

150mA LDO REGULATOR

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R1180x SERIES
150mA LDO REGULATOR
NO.EA-105-111027
OUTLINE
The R1180x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low
supply current, and low ON-resistance. Each of these ICs consists of a voltage reference unit, an error amplifier,
resistor-net for voltage setting, a current limit circuit which prevents the destruction by excess current, and so on.
The output voltage of these ICs is fixed with high accuracy. B version has a chip enable pin, therefore ultra-low
consumption current standby mode can be realized with the pin.
Since the packages for these ICs are SOT-23-5 (R1180N Series), SC-82AB (R1180Q Series), and SON1612-6
(R1180D Series), therefore high density mounting of the ICs on boards is possible.
FEATURES
Supply Current ......................................................... Typ. 1μA
(Except the current through CE pull-down circuit)
Standby Mode .......................................................... Typ. 0.1μA
Dropout Voltage ....................................................... Typ. 0.25V (IOUT=150mA 3.0V Output type)
Temperature-Drift Coefficient of Output Voltage ...... Typ. ±100ppm/°C
Line Regulation ........................................................ Typ. 0.05%/V
Output Voltage Accuracy.......................................... ±2.0%
Packages ................................................................ SON1612-6, SC-82AB, SOT-23-5
Output Voltage Range.............................................. 1.2V to 3.6V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
Built-in Fold Back Protection Circuit ........................ Typ. 40mA (Current at short mode)
Ceramic capacitors are recommended to be used with this IC .....0.1μF
APPLICATIONS
Stable voltage reference.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
1




RICOH electronics

R1180Q Datasheet Preview

R1180Q Datasheet

150mA LDO REGULATOR

No Preview Available !

R1180x
BLOCK DIAGRAMS
R1180xxx1B
VDD
VOUT VDD
R1180xxx1C
VOUT
CE
Vref
Current Limit
GND
Vref
Current Limit
GND
SELECTION GUIDE
The output voltage, CE pin polarity, package, etc. for the ICs can be selected at the user’s request.
Product Name
Package
Quantity per Reel
Pb Free
Halogen Free
R1180Dxx1-TR-FE
SON1612-6
4,000 pcs
Yes
Yes
R1180Qxx1-TR-FE
SC-82AB
3,000 pcs
Yes
Yes
R1180Nxx1-TR-FE
SOT-23-5
3,000 pcs
Yes
xx: The output voltage can be designated in the range from 1.2V(12) to 3.6V(36) in 0.1V steps.
(For other voltages, please refer to MARK INFORMATIONS.)
Yes
: CE pin polarity are options as follows.
(B) "H" Active
(C) without CE pin
2


Part Number R1180Q
Description 150mA LDO REGULATOR
Maker RICOH electronics
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