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R5323X 데이터시트(Datasheet) 1 Page - RICOH electronics devices division

부품명 R5323X
상세내용  150mA 2ch LDO REGULATOR
PDF  31 Pages
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제조사  RICOH [RICOH electronics devices division]
홈페이지  http://www.ricoh.com
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R5323x SERIES
150mA 2ch LDO REGULATOR
NO.EA-089-0607
1
OUTLINE
The R5323x 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.
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, PLP1820-6 and WL-CSP-6 package, 2ch LDO regulators are included in each package, high density
mounting of the ICs on boards is possible.
FEATURES
• Low Supply Current ......................................................Typ. 90µA (VR1, VR2)
• Standby Mode ...............................................................Typ. 0.1µA (VR1, VR2)
• Low Dropout Voltage.....................................................Typ. 0.22V (IOUT=150mA , Output Voltage Type)
• High Ripple Rejection ...............................Typ. 75dB(VOUT <
= 2.4V) , Typ. 70dB(VOUT <
= 2.5V) (f=1kHz)
Typ. 65dB(VOUT <
= 2.4V) , Typ. 60dB(VOUT <
= 2.5V) (f=10kHz)
• Low Temperature-drift Coefficient of Output Voltage ....Typ. ±100ppm/°C
• Excellent Line Regulation .............................................Typ.0.02%/V
• High Output Voltage Accuracy ......................................±2.0%
• Small Packages ..........................................................SOT-23-6, PLP1820-6, WL-CSP-6
• Output Voltage ..............................................................Stepwise setting with a step of 0.1V in the range of
1.5V to 4.0V is possible
• Built-in chip enable circuit (A/B: active high)
• Built-in fold-back protection circuit ................................Typ. 40mA (Current at short mode)
• Ceramic Capacitor is recommended. (1.0µF or more)
APPLICATIONS
• Power source for handheld communication equipment.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.




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