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R1161D101D-TR-FE Datasheet(PDF) 1 Page - RICOH electronics devices division

Part # R1161D101D-TR-FE
Description  3-MODE 300mA LDO REGULATOR
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

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R1161x SERIES
3-MODE 300mA LDO REGULATOR
NO.EA-106-140530
1
OUTLINE
The R1161x Series are 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 R1161x Series have 3-mode. One is standby mode with CE or
standby control pin. Standby mode realizes ultra small consumption current off mode. Other two modes are
realized with ECO pin. Fast Transient Mode (FT mode) and Low Power Mode (LP mode) are alternative with
ECO pin. Consumption current is reduced 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, SON-6, and HSON-6, high density mounting of the ICs on boards is possible.
FEATURES
• Supply Current ..................................................Typ. 3.5μA (Low Power Mode, VOUT<1.6V),
Typ. 80
μA (Fast Transient Mode, VOUT<1.8V)
Typ. 60
μA (Fast Transient Mode, VOUT ≥ 1.8V)
• Standby Mode ...................................................Typ. 0.1μA
• Dropout Voltage ................................................Typ. 0.48V (IOUT=300mA Output Voltage=1.0V Type)
Typ. 0.31V (IOUT
=300mA Output Voltage=1.5V Type)
Typ. 0.23V (IOUT
=300mA Output Voltage=3.0V Type)
• Ripple Rejection................................................Typ. 65dB (f=1kHz, FT Mode)
• Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C
• Line Regulation .................................................Typ. 0.01%/V (at Fast Transient Mode)
• Output Voltage Accuracy...................................±2.0%(±3.0% at LP Mode)
• Packages .........................................................SOT-23-5, SON-6,
HSON-6
• Output Voltage ..................................................0.8V to 3.3V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
• Input Voltage .....................................................Min. 1.40V (VOUT 1.0V)
Min. 1.45V (VOUT<1.0V)
• Built-in fold-back protection circuit ....................Typ. 50mA (Current at short mode)
• External Capacitors...........................................CIN = COUT = Tantalum 1.0μF (VOUT<1.0V)
CIN
= COUT =Ceramic 1.0μF (VOUT ≥ 1.0V)
APPLICATIONS
• Precision Voltage References.
• Power source for electrical appliances such as cameras, VCRs and hand-held communication equipment.
• Power source for battery-powered equipment.
*R1116Dxx1 (SON-6) is the limited product and R1116Dxx2 (HSON-6) is the discontinued product. As of March in 2015.


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