Industrial

This document describes the features and characteristics of SST 28SF040 5.0V-only 4 Megabit SuperFlash EEPROM, including 5V read and write operations, CMOS SuperFlash EEPROM technology, memory organization, sector erase capability, low power consumption, fast erase and programming operations, data protection features, and data interface compatibility.

SST 28PC040 is a 5.0V-only 4 Megabit PCMCIA Interface EEPROM. It features CMOS SuperFlash EEPROM technology, with endurance of 250,000 cycles and data retention of over 100 years. The product has characteristics such as low power consumption, fast erase and program operation, and fast access time.

The RP154x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply current, low dropout, and high ripple rejection.

The RP154x Series are CMOS-based dual output LDO regulators featuring 300mA output. RP154x features a supply current from 50μA per output, a minimum input voltage from 1.4V and the output voltage can be set from 0.8V to 3.6V (in 0.1V steps). RP154x is available in SOT-23-6 and DFN1216-8 packages. Due to the low minimum input voltage RP154x is able to extend battery life, additionally the LDO has less power dissipation by the low dropout voltage between input and output.

The R5328K series are dual 150mA voltage regulator ICs with 3-mode. The 3-mode describes that they are the inactive standby, the active fast mode, and the active low power mode. The two active modes can be switched over with ECO pin. With this function, the output voltage maintains the level, and the mode can be switched over. The minimum operating voltage is 1.4V, and the output voltage range is from 0.8V to 4.0V.

The R5328K series are CMOS-based dual output LDO regulators with ECO pin featuring 150mA output. By inputting the control signals to into the ECO pin, the operation can be switched between fast response mode and low power mode of the ECO function according to the output current. In low power mode, supply current is as low as 2.5μA. In fast response mode, ripple rejection is 70dB and noise is low. R5328K supports low voltage, featuring input voltage from 1.4V and output voltage from 0.8V. Standby mode and auto-discharge function are also available (see Selection Guide). Ceramic capacitors can be used.

The R5326x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, Typ. 5.5μA low supply current, and remarkably improved transient response compared with the conventional low supply current voltage regulators.

The R5326K series automatic mode shift low voltage dual 150mA LDO is a CMOS-based auto mode switching dual LDO regulator with 150mA output. In auto switching mode, the operation can switch automatically to a fast response mode or a low power mode of the ECO function according to output current. (Automatic switching to fast response mode under IOUT > 3mA conditions or to low power mode under IOUT > 0.6mA conditions.) In low power mode, supply current is as low as 5.5μA. In fast response mode, ripple rejection is 70dB and noise is low. R5326K requires neither ECO pin for switching mode nor microcontroller pin. R5326K supports low voltage, featuring input voltage from 1.4V and output voltage from 0.8V. Standby mode and auto-discharge function are also available (see the Selection Guide). Ceramic capacitors can be used.

The RP153L Series is a CMOS-based voltage regulator IC with high output voltage accuracy, low supply current, low dropout, and high ripple rejection. Each IC consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit, and a chip enable circuit. These ICs have low dropout voltage due to a built-in transistor with low ON resistance, and the chip enable function extends the battery life of each system. The line transient response and load transient response of the RP153L Series are excellent, making them very suitable for power supply in handheld communication equipment. The output voltage of these ICs is internally fixed with high accuracy. The ICs are packaged in DFN1216-8, allowing for high-density mounting on boards. In RP153L, the power supply of each circuit can be individually supplied. The transient response characteristic of the D and E versions has been improved.

The R5325x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply current (Typ. 3.0μA), low dropout, and fast transient response. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit, and a chip enable circuit. These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable function prolongs the battery life of each system. The line transient response and load transient response of the R5325x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. The supply current at no load of R5325x Series is remarkably reduced compared with R5323x Series. The mode change signal to reduce the supply current is not necessary. The output voltage of these ICs is internally fixed with high accuracy (±1.0%). Since the packages for these ICs are SOT-23-6 (Limited) and DFN(PLP)1820-6 package, dual LDO regulators are included in each, high density mounting of the ICs on boards is possible.

The R5325K Series are CMOS-based seamless dual output LDO regulators featuring 150mA output. Ricoh unique seamless technology smoothly changes its transient response according to output current. Thus, R5325K offers lower supply current in the smaller output current range compared to R5323x (Typ. 90μA). Additionally, R5325K can reach low supply current without changing to low power mode using the ECO function, which is required by R5326K (Typ. 5.5μA) and R5328K (Typ. 2.5μA). Standby mode and auto-discharge function are also available (see Selection Guide). Ceramic capacitors can be used.

The RP152x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply current, low dropout, and high ripple rejection. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting Output Voltage, a current limit circuit, and a chip enable circuit. Moreover, in C Version of RP152x, the start-up sequence circuit is built-in. These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable function prolongs the battery life of each system. The line transient response and load transient response of the RP152x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. The output voltage of these ICs is internally fixed with high accuracy. Since the packages for these ICs are SOT-23-6 and DFN1212-6, dual LDO regulators are included in each package are high density mounting of the ICs on boards is possible.

RP152x series low voltage dual 150mA LDO with sequence control

The R5323x series is a CMOS-based voltage regulator IC with high output voltage accuracy, low supply current, low dropout, and high ripple rejection. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting Output Voltage, a current limit circuit, and a chip enable circuit. These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable function prolongs the battery life of each system. The line transient response and load transient response of the R5323x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. The output voltage of these ICs is internally fixed with high accuracy. Since the packages for these ICs are SOT-23-6 (Limited), DFN(PLP)1820-6 and WLCSP-6-P1 package, dual LDO regulators are included in each package, high density mounting of the ICs on boards is possible.