R1140Q331B RICOH Co.,Ltd., R1140Q331B Datasheet

R1140Q331B

Manufacturer Part Number

R1140Q331B

Description

Manufacturer

RICOH Co.,Ltd.

Datasheet

1.R1140Q181B.pdf (18 pages)

Specifications of R1140Q331B

Date_code

05+

Packing_info

SOT-343

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OUTLINE

current, low ON-resistance, and high ripple rejection. 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.

transient response of the R1140Q Series are excellent, thus these ICs are very suitable for the power supply for

hand-held communication equipment.

SC-82AB (Super Mini-mold) package, high density mounting of the ICs on boards is possible.

FEATURES

APPLICATION

120mA LDO REGULATOR

The output voltage of these ICs is internally fixed with high accuracy. Since the package for these ICs is

The R1140Q Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply

These ICs perform with low dropout voltage and a chip enable function. The line transient response and load

• Ultra-Low Supply Current............................................. Typ. 75µA

• Standby Mode .............................................................. Typ. 0.1µA

• Low Dropout Voltage.................................................... Typ. 0.15V (I

• High Ripple Rejection .................................................. Typ. 75dB (f=1kHz)

• Low Temperature-Drift Coefficient of Output Voltage... Typ. ±100ppm/°C

• Excellent Line Regulation ............................................ Typ. 0.05%/V

• High Output Voltage Accuracy .....................................±2.0%

• Output Voltage Range.................................................. 1.5V to 4.0V

• Excellent Dynamic Response

• Small Package ............................................................. SC-82AB (Super Mini-mold)

• Built-in Chip Enable Circuit (B/D : active high)

• Built-in Fold-back Protection Circuit............................ Typ. 40mA (Current at short mode)

• Power source for cellular phones such as GSM, CDMA and various kinds of PCS.

• Power source for electrical appliances such as cameras, VCRs and camcorders.

• Power source for battery-powered equipment.

R1140Q SERIES

OUT

=100mA, Output Voltage=3.0V Type)

NO.EA-074-0606

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