Part Number

R1113Z201A

Description

LOW NOISE 150mA LDO REGULATOR

Manufacture

RICOH

Total Page 20 Pages
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Features Datasheet pdf '2001.8.27 LOW NOISE 150mA LDO REGULATOR R1113Z SERIES s OUTLINE The R1113Z Ser ies are CMOS-based voltage regulator IC s with high output voltage accuracy, ex tremely low supply current, low ON-resi stance, and high ripple rejection. Each of these ICs consists of a voltage ref erence unit, an error amplifier, resist ors, a current limit circuit, and a chi p enable circuit. These ICs perform wit h low dropout voltage and a chip enable function. The line transient response and load transient response of the R111 3Z 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 fix ed with high accuracy. Since the pac.
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R1113Z201A Datasheet
'2001.8.27
LOW NOISE 150mA LDO REGULATOR
R1113Z SERIES
s OUTLINE
The R1113Z Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low supply current,
low ON-resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an error amplifier, resistors,
a current limit circuit, and a chip enable circuit.
These ICs perform with low dropout voltage and a chip enable function. The line transient response and load transient
response of the R1113Z 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 fixed with high accuracy. Since the package for these ICs is WL-CSP (Wafer Level CSP),
high density mounting of the ICs on boards is possible.
s FEATURES
z Ultra-Low Supply Current......................................... Typ. 100µA
z Standby Mode ........................................................... Typ. 0.1µA
z Low Dropout Voltage ................................................ Typ. 0.23V(IOUT=100mA 3.0V Output type)
z High Ripple Rejection ............................................... Typ. 80dB(f=1kHz 3.0V Output type)
z Low Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C
z Excellent Line Regulation ......................................... Typ. 0.05%/V
z High Output Voltage Accuracy.................................. ±2.0%
z Excellent Dynamic Response
z Small Package ..........................................................WL-CSP(Wafer Level CSP)
z Output Voltage...........................................................Stepwise setting with a step of 0.1V in the range of 2.0V to 5.0V is
possible
z Built-in Chip Enable Circuit ( 2 types; A: active low , B: active high)
z Built-in Fold Back Protection Circuit........................Typ. 30mA (Current at short mode)
z Ceramic capacitors are recommended to be used with this IC
s APPLICATIONS
z Power source for cellular phones such as GSM, CDMA and various kinds of PCS.
z Power source for electrical appliances such as cameras, VCRs and camcorders.
z Power source for battery-powered equipment.
Rev. 1.11
-1-




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