English
Language : 

R1511 Datasheet, PDF (1/20 Pages) RICOH electronics devices division – Input Voltage Range 3.5V to 36V
R1511x Series
300mA 36V Input Regulator
NO.EA-300-130530
OUTLINE
The R1511x Series are CMOS-based high-voltage resistant and fast response voltage regulators that provide
the minimum 300mA of output current. Internally, R1511x consists of an Output Short-circuit Protection Circuit,
an Over-current Protection Circuit, and a Thermal Shutdown Circuit in addition to the basic regulator circuits. The
operating temperature range is between –40ºC to +105ºC, and the maximum input voltage is 36V. All these
features allow the R1511x Series to become an ideal power source of electric home appliances.
R1511x is available in B version (R1511xxxxB) with the fixed output voltage type, and C version (R1511x001C)
with adjustable output voltage type with external resistors. The output voltage accuracy is ±1.0%.
R1511x is available in two types of packages: HSOP-6J for high-density mounting and TO-252-5-P2 for high
wattage.
FEATURES
● Input Voltage Range ·················································3.5V to 36V
● Supply Current··························································Typ. 100µA
● Supply Current (Standby Mode) ·······························Typ. 0.1µA (R1511xxxxB)
● Output Voltage Range ··············································R1511xxxxB: 3.0V to 9.0V (0.1V step)
(For other voltages, please refer to MARK INFORMATIONS.)
R1511xxxxC: 3.0V to 12.0V
● Output Voltage Accuracy ··········································R1511xxxxB: ±1.0% (Ta=25°C)
● Feed Back Voltage ···················································R1511xxxxC: 3.0V ±1.0% (Ta=25°C)
● Output Voltage Temperature-Drift Coefficient···········Typ. ±60ppm/°C
● Line Regulation·························································Typ. 0.01%/V (VDD=VOUT+0.5V to 36V)
● Dropout Voltage························································Typ. 0.64V (IOUT=300mA, VOUT=5.0V)
● Package Option ························································HSOP-6J, TO-252-5-P2
● Built-in Output Short-circuit Protection Circuit··········Typ. 50mA
● Built-in Over-current Protection Circuit·····················Typ. 450mA
● Built-in Thermal Shutdown Circuit ····························Thermal Shutdown Temperature: Typ. 160°C
● Operating Temperature Range ·································-40 to +105°C
● Ripple Rejection ·······················································Typ. 65dB (1kHz)
● Ceramic capacitors are recommended to be used with this IC
···················· CIN=1.0μF or more, COUT=6.8μF or more
APPLICATIONS
● For home electrical appliances: refrigerators, rice cookers, electrical pots, etc.
● For digital equipments: laptop PCs, digital TVs, telephone equipments, home LAN systems, etc.
● For OA equipments: copy machines, printers, fax machines, scanners, projectors, etc.
1