Shanghai Aeneas Electronics.CO.,LTD. 上海东钜电子有限公司

RICOH/power

RP131 Series

1A LOW VOLTAGE REGULATOR
The RP131x Series are voltage-regulators with a built-in low ON-resistance transistor and output current is 1A capability. These ICs are capable of the low input voltage (Min.1.6V) and also the minimum output voltage can be set from 0.8V. (The output voltage is fixed in the IC.) Each of these ICs consists of a voltage reference unit, an error amplifier, resister net for setting output voltage, a current limit circuits for over-current and thermal-shutdown circuits. A standby mode with ultra low supply current can be realized with the chip enable function. Since the packages for these ICs are DFN(PLP)1820-6, SOT-89-5 and HSOP-6J with high power dissipation,high density mounting of the ICs on boards is possible.

Feature
● Output Current	Min.1A
● Supply Current	Typ. 65µA
● Standby Mode	TYP. 0.1µA
● Input Voltage Range	1.6V to 6.5V
● High Output Voltage Accuracy	Stepwise setting with a step of 0.1V in the range of 0.8V to 5.0V
● Accuracy Output Voltage	±1.0%
● Temperature-Drift Coefficient of Output Voltage	Typ. ±20ppm/°C
● Dropout Voltage	Typ. 0.5V (VOUT=2.8V, IOUT=1A)
● Ripple Rejection	Typ.70dB (f = 1kHz, VOUT = 2.8V)
● Line Regulation	Typ. 0.05%/V
● Load Regulation	Typ. 20mV at IOUT=300mA, Typ. 80mV at IOUT=1A
● Packages	HSOP-6J, SOT-89-5, DFN(PLP)1820-6
● Built-in Inrush current limit circuit	Typ. 500 mA
● Built-in Fold-Back Protection Circuit	Typ. 250mA (Current at short mode)
● Built-in Thermal Shutdown Circuit	Thermal Shutdown Temperature ; Typ. 165°C Released Temperature ; Typ. 135°C
● Built-in Auto Discharge Function	D version
● Ceramic capacitors are recommended to be used with this IC	2.2μF or more (VOUT <= 3.6V) 4.7μF or more (VOUT > 3.6V)

Applications
● Power source for portable communication equipment such as Lap top computers.
● Power source for electrical appliances such as cameras, VCRs and camcorders.
● Power source for battery-powered equipment.

Data Sheet(PDF)
RP131 Series