R5326x SERIES

Automatic Mode Shift 2ch 150mA LDO

NO.EA-138-070806

1

OUTLINE

The R5326x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, Typ. 5.5

µA 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-P1, 2ch

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

FEATURES

• Standby Current ................................................Typ. 0.1µA (VR1&VR2)

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

• Output Voltage ..................................................0.8V to 4.2V

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

Typ. 60dB (f

=10kHz)

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

• Packages .........................................................WLCSP-6-P1, PLP1820-6, SOT-23-6

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

• Ceramic Capacitor is recommended. ..............1.0µF to 3.3µF

APPLICATIONS

• Power source for handheld communication equipment.

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

• Power source for battery-powered equipment.