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PDF R1180N Data sheet ( Hoja de datos )
| Número de pieza | R1180N | |
| Descripción | 150mA LDO REGULATOR | |
| Fabricantes | RICOH electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de R1180N (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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R1180x SERIES
150mA LDO REGULATOR
NO.EA-105-0606
OUTLINE
The R1180x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low
supply current, and low ON-resistance. Each of these ICs consists of a voltage reference unit, an error amplifier,
www.DataSheetr4eUs.cisotmor-net for voltage setting, a current limit circuit which prevents the destruction by excess current, and so on.
The output voltage of these ICs is fixed with high accuracy. B version has a chip enable pin, therefore ultra-low
consumption current standby mode can be realized with the pin.
Since the packages for these ICs are SOT-23-5 (R1180N Series), SC-82AB (R1180Q Series), and SON1612-6
(R1180D Series), therefore high density mounting of the ICs on boards is possible.
FEATURES
• Low Supply Current ..........................................Typ. 1µA(Except the current through CE pull-down circuit)
• Standby Mode ...................................................Typ. 0.1µA
• Low Dropout Voltage.........................................Typ. 0.25V (IOUT=150mA 3.0V Output type)
• Low Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C
• Good Line Regulation .......................................Typ. 0.05%/V
• High Output Voltage Accuracy ..........................±2.0%
• Small Packages ..............................................SOT-23-5 (R1180N), SC-82AB (R1180Q),
SON1612-6 (R1180D)
• Output Voltage ..................................................1.2V to 3.6V
• Built-in Fold Back Protection Circuit .................Typ. 40mA (Current at short mode)
• Ceramic capacitors are recommended to be used with this IC 0.1µF
APPLICATIONS
• Stable voltage reference.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.
1
1 page  
R1180x
ELECTRICAL CHARACTERISTICS
• R1180xxx1B/C
Symbol
Item
VOUT
Output Voltage
IOUT
www.DataSheet4U.com
∆VOUT/∆IOUT
Output Current
Load Regulation
VDIF
ISS
Istandby
Dropout Voltage
Supply Current
Supply Current (Standby)
∆VOUT/∆VIN Line Regulation
VIN
∆VOUT/∆T
Ilim
IPD
VCEH
VCEL
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-down Constant
Current
CE Input Voltage “H”
CE Input Voltage “L”
Conditions
Min.
Typ.
Topt=25°C
Max. Unit
VIN=Set VOUT+1V
1µA <= IOUT <= 30mA
VIN−VOUT=1.0V
×0.980
150
×1.020
V
mA
VIN=Set VOUT+1V
1µA <= IOUT <= 150mA
20 40 mV
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT
VOLTAGE
VIN=Set VOUT+1V, IOUT=0mA
1.0 1.5 µA
VIN=Set VOUT+1V
VCE=GND (B version)
0.1 1.0 µA
Set VOUT+0.5V <= VIN <= 6.0V
IOUT=30mA
0.05 0.20 %/V
1.7 6.0 V
IOUT=30mA
−40°C <= Topt <= 85°C
VOUT=0V
±100
40
ppm
/°C
mA
(R1180xxx1B)
0.35
µA
(R1180xxx1B)
(R1180xxx1B)
1.2 6.0 V
0.0 0.3 V
• ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
Output Voltage
VOUT (V)
1.2 <= VOUT < 1.3
1.3 <= VOUT < 1.4
1.4 <= VOUT < 1.5
1.5 <= VOUT < 1.7
1.7 <= VOUT < 1.9
1.9 <= VOUT < 2.1
2.1 <= VOUT < 2.8
2.8 <= VOUT <= 3.6
Dropout Voltage VDIF (V)
Condition
IOUT = 150mA
Topt = 25°C
Typ.
0.85
0.75
0.65
0.60
0.50
0.40
0.35
0.25
Max.
1.20
1.10
1.00
0.90
0.75
0.65
0.55
0.40
5
5 Page 
R1180x
70
60
50
40
30
www.DataSheet4U.com
20
10
0
0.1
R1180x361x
VIN=4.6VDC+0.5p-p
COUT=Ceramic0.1µF
IOUT=1mA
IOUT=50mA
IOUT=30mA
1 10
Frequency f[kHz]
100
70
60
50
40
30
20
10
0
0.1
R1180x361x
VIN=4.6VDC+0.5p-p
COUT=Ceramic1µF
IOUT=1mA
IOUT=50mA
IOUT=30mA
1 10
Frequency f[kHz]
100
9) Ripple Rejection vs. Input Bias Voltage (Topt=25°C, CIN=none, COUT=ceramic0.1µF)
R1180x281x(IOUT=1mA)
R1180x281x(IOUT=30mA)
50 50
f=600Hz
45 45 f=1kHz
40 40 f=10kHz
f=100kHz
35 35
30 30
25
20
15
10
5
0
2.9
50
45
40
35
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.2 3.5
Input Voltage VIN[V]
R1180x281x(IOUT=50mA)
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.8
25
20
15
10
5
0
2.9
3.2 3.5
Input Voltage VIN[V]
30
25
20
15
10
5
0
2.9 3.2 3.5 3.8
Input Voltage VIN[V]
3.8
11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet R1180N.PDF ] | |
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