LOW NOISE 150mA LDO REGULATOR
R1113Z SERIES
OUTLINE
NO. EA-101-0504
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-CSP4-P1
(Wafer Level CSP), high density mounting of the ICs on boards is possible.
FEATURES
Ultra-Low Supply Current................................................ Typ. 100µA
Standby Mode ................................................................. Typ. 0.1µA
Low Dropout Voltage....................................................... Typ. 0.23V (I
OUT
=100mA
3.0V Output type)
High Ripple Rejection ..................................................... Typ. 80dB(f=1kHz 3.0V Output type)
Low Temperature-Drift Coefficient of Output Voltage...... Typ.
±100ppm/°C
Excellent Line Regulation ............................................... Typ. 0.05%/V
High Output Voltage Accuracy ........................................
±2.0%
Excellent Dynamic Response
Small Package .............................................................. WL-CSP4-P1 (Wafer Level CSP)
Output Voltage .................................................. ............. Stepwise setting with a step of 0.1V in the range
of 1.5V to5.0V is possible
•
Built-in Chip Enable Circuit (2 types; A: active low, B: active high)
•
Built-in Fold Back Protection Circuit ............................... Typ. 30mA (Current at short mode)
•
Ceramic capacitors are recommended to be used with this IC
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APPLICATIONS
•
Power source for cellular phones such as GSM, CDMA and various kinds of PCS.
•
Power source for electrical appliances such as cameras, VCRs and camcorders.
•
Power source for battery-powered equipment.
1
R1113Z
BLOCK DIAGRAM
R1113Zxx1A
V
DD
3
-
+
Vref
Current Limit
CE
4
R1113Zxx1B
2
V
OUT
V
DD
3
-
+
Vref
Current Limit
2
V
OUT
1
GND
CE
4
1
GND
SELECTION GUIDE
The output voltage, the active type, the packing type, and the taping type for the ICs can be selected at the
user's request. The selection can be made with designating the part number as shown below;
R1113xxx1x-xx
↑↑
a b
↑ ↑
c d
←Part
Number
Code
a
b
c
d
Contents
Designation of Package Type :
Z:WL-CSP4-P1 (Wafer Level CSP)
Setting Output Voltage (V
OUT
) :
Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is possible.
Designation of Active Type :
A : active low type
B : active high type
Designation of Taping Type :
Ex. TR, TL (refer to Taping Specifications; TR type is the standard direction.)
2
Microcontroller MCU
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