Details, datasheet, quote on part number: R1160D101A
Description3-mode 200ma LDO Regulator
CompanyRicoh Corporation
DatasheetDownload R1160D101A datasheet


Features, Applications

The R1160x Series consist of CMOS-based voltage regulator ICs with high output voltage accuracy, low supply current, and low ON-resistance. 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 and a chip enable function. To prevent the destruction by over current, current limit circuit is included. The R1160x Series have 3-mode. One is standby mode with CE or standby control pin. Other two modes are realized with ECO pinTM. Fast Transient Mode (FT mode) and Low Power Mode (LP mode) are alternative with ECO pinTM. Consumption current is reduced 1/10 at Low Power Mode compared with Fast Transient Mode. Output voltage is maintained between FT mode and LP mode. The output voltage of these ICs is internally fixed with high accuracy. Since the packages for these ICs are SOT-23-5 and SON-6 packages, high density mounting of the ICs on boards is possible.


Ultra-Low Supply Current..................................Typ. 3.5A (Low Power Mode, VOUT = 1.5V) Typ. 40A (Fast Transient Mode) Standby Mode...................................................Typ. 0.1A Low Dropout Voltage.........................................Typ. (IOUT=200mA 3.0V Output Voltage=1.0V Type) Typ. (IOUT=200mA 3.0V Output Voltage=1.5V Type) Typ. (IOUT=200mA 3.0V Output Voltage=3.0V Type) High Ripple Rejection.......................................Typ. 70dB (f=1kHz,FT Mode) Low Temperature-Drift Coefficient of Output Voltage Typ. 100ppm/C Excellent Line Regulation.................................Typ. 0.05%/V High Output Voltage Accuracy.......................... at LP Mode) Output to 3.3V Input Voltage.....................................................Min.1.4V Built-in Fold Back Protection Circuit.................Typ. 50mA (Current at short mode) Small Packages..............................................SOT-23-5 (Super Mini-mold),SON-6


Precision Voltage References. Power source for electrical appliances such as cameras, VCRs and hand-held communication equipment. Power source for battery-powered equipment.

The output voltage, chip enable polarity, and the taping type for the ICs can be selected at the user's request. The selection can be available by designating the part number as shown below;

a b Code cd e Contents Designation of Package Type N: SOT-23-5 (Mini mold) D: SON-6 Setting Output Voltage (VOUT) : Stepwise setting with a step 0.1V in the range 3.3V is possible. Designation of Chip Enable Option : A: "L" active type. B: "H" active type. Designation of Taping Type : Refer to Taping Specifications; TR type is the standard direction. Designation of composition of pin plating -F: Lead free plating (SOT-23-5,SON-6)

Pin Description Input Pin Ground Pin Chip Enable Pin MODE alternative pin Output pin Pin No Symbol VDD NC VOUT ECO GND

Pin Description Input Pin No Connection Output pin MODE alternative pin Ground Pin Chip Enable Pin

* Tab in the parts have GND level. (They are connected to the reverse side of this IC.) Do not connect to other wires or land patterns.

Symbol VIN VECO VCE VOUT IOUT PD Topt Tstg Input Voltage Input Voltage ( ECO Pin) Input Voltage or CE Pin) Output Voltage Output Current Power Dissipation (SOT-23-5)* Power Dissipation (SON-6)* Operating Temperature Range Storage Temperature Range Item Rating VIN+0.3 Unit mW C

* ) For Power Dissipation, please refer to PACKAGE INFORMATION to be described.


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