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R1155H120B-TR-FE Datasheet(PDF) 1 Page - RICOH electronics devices division |
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R1155H120B-TR-FE Datasheet(HTML) 1 Page - RICOH electronics devices division |
1 / 26 page R1155x Series 150 mA 24 V Input High Voltage Regulator NO.EA-270-150702 1 OUTLINE The R1155x is a CMOS-based 24 V input voltage regulator featuring 150 mA output that provides high output voltage accuracy and low supply current. Internally, the R1155x consists of a voltage reference unit, an error amplifier, and a resistor net for setting output voltage. As protection circuits, the R1155x contains a current limit circuit, a fold-back protection circuit, a thermal shutdown circuit and a reverse current protection circuit. The R1155x is available in the fixed output voltage type (R1155xxxxB), and the adjustable output voltage type (R1155x001C). The output voltage accuracy for the fixed output voltage type is as high as ±2.0%. The R1155x is offered in a 5-pin SOT-89-5 package and a 5-pin SOT-23-5 package. FEATURES Supply Current ········································· Typ. 7.5 µA (VIN = 6.0 V or 3.0 V) Standby Current········································ Typ. 0.1 µA Output Current·········································· Min. 150 mA (VIN = 6.0 V or 3.0 V) Output Voltage Accuracy····························· ±2.0% Package·················································· SOT-23-5, SOT-89-5 Input Voltage Range ·································· Max. 24.0 V Output Voltage Range ································ Fixed Output Voltage Type: 2.5 V to 12.0 V Adjustable Output Voltage Type: 2.5 V, 2.5 V to 23.0 V using external resistor Fold-back Protection Circuit························· Typ. 30 mA Thermal Shutdown Circuit Reverse Current Protection Circuit Ceramic Capacitor Capable························· COUT = 4.7 µF or more APPLICATIONS Power source for home appliances (refrigerators, rice cookers, electric water warmers, etc.) Power source for in-car audio systems, in-car navigation systems, ETC systems, and reset circuits Power source for laptop personal computers, digital TVs, cordless phones, and private LAN systems for home, and reset circuits Power source for copiers, printers, facsimiles, scanners, and reset circuits |
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