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PDF R1126N Data sheet ( Hoja de datos )
| Número de pieza | R1126N | |
| Descripción | LOW NOISE 150mA LDO REGULATOR | |
| Fabricantes | RICOH | |
| Logotipo |  |
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R1126N SERIES
LOW NOISE 150mA LDO REGULATOR
NO. EA-130-0512
OUTLINE
The R1126N 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 R1126N 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 R1126x 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 package for these ICs is SOT-23-5
therefore high density mounting of the ICs on boards is possible.
R1116N Series that a pin configuration differs from R1126N 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
• 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.
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R1126N
• ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
Output Voltage
VOUT (V)
VOUT = 1.5V
1.5V < VOUT <= 1.6V
1.6V < VOUT <= 1.7V
1.7V < VOUT <= 2.0V
2.0V < VOUT <= 2.7V
2.7V < VOUT <= 4.0V
TYPICAL APPLICATIONS
Dropout Voltage VDIF (V)
Condition
Typ.
0.54
0.50
IOUT=150mA
0.46
0.44
0.37
0.29
Topt = 25°C
Max.
0.86
0.75
0.70
0.65
0.56
0.46
VDD
VOUT
C1
R1126N
Series
C2
CE GND
(External Components)
C2 Ceramic 1.0µF Ex. Murata GRM155B30J105KE18B
Kyocera CM05X5R105K06AB
C1 Ceramic 1.0µF
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R1126N
R1126N211x
500
400
300
200
100
0
0
85°C
25°C
-40°C
25 50 75 100 125 150
Output Current IOUT(mA)
400
350
300
250
200
150
100
50
0
0
R1126N281x
85°C
25°C
-40°C
25 50 75 100 125 150
Output Current IOUT(mA)
300
250
200
150
100
50
0
0
R1126N401x
85°C
25°C
-40°C
25 50 75 100 125 150
Output Current IOUT(mA)
7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
700
150mA
600 100mA
500 50mA
30mA
400 10mA
300
200
100
0
1234
Set Output Voltage VREG(V)
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| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet R1126N.PDF ] | |
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