Selection guide 2013
32Pages

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Power Management ICs (Voltage Regulator) New : Under Development : Lineup in order of Input Voltage (Max.) and Output Current Major products are classified by function. This chart does not include all products. Input Voltage (Max.) up to 6.5V Output Current ~ 300mA ~ 200mA ~ 400mA ~ 500mA ~ 800mA Single Dual RP102x RP150K RP111x Input Voltage ~ 150mA (Max.) Single Dual 5.25V RP112x High-performance Type Automatic mode shift type ECO Manual/Automatic mode shift type Functions Seamless type Manual mode shift type 6.5V Low Supply Current Type *1) RP115L (DFN1216-8) has an LCON pin to switch...

Lineup in order of Specification (Output Current 150mA) ECO Function Seamless : Seamless type Thermal : Thermal Shutdown Circuit Manual : Manual mode shift type : Constant Slope Circuit Automatic : Automatic mode shift type Manual / Automatic : Manual / Automatic mode shift type Reverse : Reverse Current Protection Circuit : Inrush Current Limit Circuit Succeeding products are available for products highlighted in grey rows. We recommend the products shown in "Other functions". Rxxxx Products partially available for automotive applications. Products for automotive applications may not...

Power Management ICs (Voltage Regulator) New : Under Development : Lineup in order of Specification (Output Current 200mA to 800mA) ECO Function Seamless : Seamless type Thermal : Thermal Shutdown Circuit Manual : Manual mode shift type Automatic : Automatic mode shift type Manual / Automatic : Manual / Automatic mode shift type Reverse : Reverse Current Protection Circuit : Constant Slope Circuit : Inrush Current Limit Circuit Succeeding products are available for products highlighted in grey rows. We recommend the products shown in "Other functions". Rxxxx roducts partially available for...

Lineup in order of Specification (Output Current 1A to 3A) ECO Function Seamless : Seamless type Thermal : Thermal Shutdown Circuit Manual : Manual mode shift type Automatic : Automatic mode shift type Manual / Automatic : Manual / Automatic mode shift type Reverse : Reverse Current Protection Circuit : Constant Slope Circuit : Inrush Current Limit Circuit Succeeding products are available for products highlighted in grey rows. We recommend the products shown in "Other functions". Products partially available for automotive applications. Products for automotive applications may not provide...

(Voltage Detector, Watchdog Timer, Reset Timer IC) New : Under Development : Microcontroller Supervisory ICs Functional Map Major products are classified by function. This chart does not include all products. Maxmum Operating Voltage Internal counter type 5.5V With delay function (Without external capacitor) Normal type External capacitor type 6.0V With delay function Internal counter type (Without external capacitor) Normal type With delay function External capacitor type Normal type 24.0V With delay function External capacitor type Normal type R3119NxxxE 36.0V R3119NxxxA R3150NxxxE/F With...

Under Development : Watchdog Timer Products Lineup roducts partially available for automotive applications. Products available for automotive applications only. Products for automotive applications may not provide P all specifications of products for consumer applications. Please refer to the "CAR ELECTRONICS PRODUCTS Catalog" for additional details. Watchdog Timer with Voltage Detector and Voltage Regulator Product Name R5101G R5104V Voltage Detector Part Watchdog Timer Part Detector Detector Output Delay Time WDT Timeout Period Inhibit (Condition) (Condition) Threshold Threshold pin Range...

Power Management ICs (Switch ICs) New : Under Development : Switch ICs As for both portable and non-portable devices, electrical equipment are requested to minimise current consumption to save energy. Therefore electrical equipment activate only specific circuits depending on the operating mode of the application. A common solution was to use a discrete FET as a switch to shutdown the specific circuit blocks, however additional features for protection are needed. Ricoh provides various solutions of switch ICs featuring a low ON resistance MOSFET and the required protection circuits into a...

Load Switch In some applications, it is necessary that a single power line supplies power to multiple peripheral circuits, a common solution is to use LDOs to distribute power lines. However, LDOs operation causes a dropout voltage and a significant power loss in terms of heat. Additionally LDOs need external capacitors for a stable operation. A load switch cannot regulate the output voltage, but the dropout voltage is very small because of the low on resistance of the internal transistor. The load switch suppresses power loss, and external capacitors are not necessary. In addition, the...

Under Development : DC/DC Converters Lineup in order of Input Voltage and Function Major products are classified by input voltage and function. This chart does not include all products. 40V 1.2A output For white LED (External diode) For white LED (External diode), 4 strings For white LED (Internal diode) For PMOLED, General Use For General Use 600mA output 600mA output, VOUT Ext.adjjustable 600mA output, 6MHz 1A output 2A output 1A dual output High voltage For General Use, Synchronous Rectifier For white LED (External diode) Middle voltage Step-up and Charge pump Multi Power Supply High...

Under Development : Low voltage Step-down DC/DC Converters Lineup These products are low voltage step-down DC/DC converters with a synchronous rectifier. These products include an under-voltage lockout circuit (UVLO), a soft-start circuit and a latch type protection circuit. (RP507K and RP508K don't include a latch type protection circuit.) The products highlighted in pink rows are major products that are shown in the "DC/DC Converters Lineup in order of Input Voltage and Function". Product Name PWM/VFM Auto Switching Output Voltage Range Voltage Output Thermal AutoFrequency Accuracy*1...