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PDF ( 数据手册 , 数据表 ) R1116x

零件编号 R1116x
描述 LOW NOISE 150mA LDO REGULATOR
制造商 RICOH electronics devices
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R1116x 数据手册, 描述, 功能
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R1116x SERIES
LOW NOISE 150mA LDO REGULATOR
NO. EA-126-0607
OUTLINE
The R1116x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply
current, low on Resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an
error amplifier, resistor-net for voltage setting, a short current limit circuit, a chip enable circuit, and so on.
These ICs perform with low dropout voltage and the chip-enable function. The supply current at no load of this
IC is only 10µA, and the line transient response and the load transient response of the R1116x Series are
excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment.
The supply current at no load of R1116x Series is remarkably reduced compared with R1114x Series. The
mode change signal to reduce the supply current is not necessary. The output voltage accuracy is also improved.
(±1.5%)
The output voltage of these ICs is fixed with high accuracy. Since the packages for these ICs are SOT-23-5
and SON1612-6 therefore high density mounting of the ICs on boards is possible.
R1126N Series that a pin configuration differs from R1116N Series are available.
FEATURES
Low Supply Current ............................................................. Typ. 10µA
Standby Current ................................................................... Typ. 0.1µA
Input Voltage Range ............................................................ 1.8V to 6.0V
Output Voltage Range.......................................................... 1.5V to 4.0V
Low Dropout Voltage............................................................ Typ. 0.29V (IOUT=150mA,VOUT=2.8V)
High Ripple Rejection .......................................................... Typ. 70dB (f=1kHz, VOUT=3.0V)
Typ. 53dB (f=10kHz)
High Output Voltage Accuracy ............................................. ±1.5% (1.5V <= VOUT <= 3.0V), ±2.0% (VOUT>3.0V)
Low Temperature-Drift Coefficient of Output Voltage........... Typ. ±100ppm/°C
Excellent Line Regulation .................................................... Typ. 0.02%/V
Small Packages ................................................................. SOT-23-5 , SON1612-6
Built-in Fold Back Protection Circuit .................................... Typ. 40mA (Current at short mode)
Ceramic capacitors are recommended to be used with this IC ... CIN=COUT=1.0µF (Ceramic)
APPLICATIONS
Power source for portable communication equipment.
Power source for portable music player.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
1







R1116x pdf, 数据表
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R1116x
5.0
4.0
3.0
2.0
1.0
0
0
R1116x401x
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=150mA
12345
Input Voltage VIN(V)
6
3) Supply Current vs. Input Voltage (Topt=25°C)
R1116x151x
10
8
5
3
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Input Voltage VIN(V)
25
20
15
10
5
0
4.0
R1116x401x
4.5 5.0 5.5
Input Voltage VIN(V)
6.0
20
15
10
5
0
2.8
R1116x281x
3.6 4.4 5.2
Input Voltage VIN(V)
6.0
8







R1116x equivalent, schematic
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R1116x
R1116x281x
VIN=3.8V,COUT=Ceramic 1.0µF
3.2 20
3.1 10
3.0 0
Output Current 1mA10mA
2.9
Output Voltage
2.8
2.7
2.6
0 10 20 30 40 50 60 70 80 90
Time t(µs)
R1116x281x
VIN=3.8V,COUT=Ceramic 1.0µF
3.2 150
3.1 100
3.0 50
Output Current 50mA100mA
2.9 0
Output Voltage
2.8
2.7
2.6
0 2 4 6 8 10 12 14 16 18 20
Time t(µs)
R1116x401x
VIN=5.0V,COUT=Ceramic 1.0µF
4.4 60
4.3 30
4.2 0
Output Current 0mA30mA
4.1
Output Voltage
4.0
3.9
3.8
0 10 20 30 40 50 60 70 80 90
Time t(µs)
R1116x281x
VIN=3.8V,COUT=Ceramic 2.2µF
3.2 20
3.1 10
3.0 0
Output Current 1mA10mA
2.9
Output Voltage
2.8
2.7
2.9
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
R1116x281x
VIN=3.8V,COUT=Ceramic 2.2µF
3.2 150
3.1 100
3.0 50
Output Current 50mA100mA
2.9 0
Output Voltage
2.8
2.7
2.6
0 2 4 6 8 10 12 14 16 18 20
Time t(µs)
R1116x401x
VIN=5.0V,COUT=Ceramic 2.2µF
4.4 60
4.3 30
4.2 0
Output Current 0mA30mA
4.1
Output Voltage
4.0
3.9
3.8
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
16










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