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R5326KO11A-TR

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R5326KO11A-TR 数据手册

R5326x SERIES

Automatic Mode Shift Dual 150mA LDO

EA-0911-2006

OUTLINE

The R5326X Series are CMOS-based voltage regulator ICs with high output voltage accuracy, Typ.

5.5µA low supply current, and remarkably improved transient response compared with the conventional low

supply current voltage regulators. The supply current of IC itself is automatically shifts between fast mode and

low power mode depending on the load current. (The current threshold is fixed internally.) Each of these voltage

regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting the output voltage, a

current limit circuit for preventing from the destruction by an over current, and so on.

The chip enable function realizes the standby mode with ultra low supply current.

Since the packages for these ICs are SOT-23-6 and PLP1820-6, and chip size package, WLCSP-6,

2ch LDO regulators are included in each package, high density mounting of the ICs on boards is possible.

FEATURES

• Low Supply Current...................................Typ. 5.5µA (VR1, VR2) (Iout=0mA)

.................................................................Typ. 50µA (VR1, VR2) (Iout=10mA)

• Standby Mode............................................Typ. 0.1µA (VR1, VR2)

• Low Dropout Voltage..................................Typ. 0.19V (I^OUT=150mA Output Voltage=3.0V Type)

• High Ripple Rejection.................................Typ. 70dB (f=1kHz)

Typ. 60dB (f=10kHz)

• Excellent Line Regulation...........................Typ. 0.02%/V

• Small Packages ........................................SOT-23-6/PLP1820-6 /WLCSP-6

• Output Voltage ..........................................Stepwise setting with a step of 0.1V in the range of 0.8V

to 4.2V is possible

• Input Voltage.............................................1.4V to 6.0V

• Built-in chip enable circuit (A/B: active high)

• Built-in fold-back protection circuit............Typ. 50mA (Current at short mode)

• Ceramic Capacitor is recommended. ........1.0µF to 3.3µF (Depending on VIN and set VOUT. Refer to the

electrical characteristics table.]

APPLICATIONS

• Power source for handheld communication equipment.

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

• Power source for battery-powered equipment.

12 3 4 5 6 7...25

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