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PDF R3113D Data sheet ( Hoja de datos )
| Número de pieza | R3113D | |
| Descripción | LOW VOLTAGE DETECTOR | |
| Fabricantes | RICOH | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de R3113D (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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R3113D SERIES
www.DataSheet4U.com
LOW VOLTAGE DETECTOR
NO. EA-115-0506
OUTLINE
The R3113D series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low
supply current, which can be operated at an extremely low voltage and is used for system reset as an example.
Each of these ICs consists of a voltage reference unit, a comparator, resistors for detector threshold setting,
an output driver and a hysteresis circuit. The detector threshold is fixed with high accuracy internally and does
not require any adjustment.
Two output types, Nch open drain type and CMOS type are available.
Since the package is ultra-small SON1408-3 (MFPAK), high density mounting on board is possible .
FEATURES
• Ultra-low Supply Current .................................................................Typ. 1.4µA (VDET>1.5V: VDD=VDET+1.0V)
• Wide Range of Operating Voltage ...............................................0.6V to 6.0V (VDET=3.0V, Topt=25°C)
• Detector Threshold ............................................................................Stepwise setting with a step of 0.1V in the range
from 1.2V to 4.5V is possible.
• High Accuracy Detector Threshold..............................................±2.0%
• Low Temperature-Drift Coefficient of Detector Threshold...Typ. ±100ppm/°C
• Two Output Types ..............................................................................Nch Open Drain and CMOS
• Ultra-small Package ..........................................................................SON1408-3
APPLICATIONS
• CPU and Logic Circuit Reset
• Battery Checker
• Window Comparator
• Wave Shaping Circuit
• Battery Back-up Circuit
• Power Failure Detector
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R3113D
ELECTRICAL CHARACTERISTICS
• R3113D121A/C
Symbol
−VDET
VHYS
ISS
VDDH
VDDL
Item
Detector Threshold
Detector Threshold Hysteresis
Supply Current
Maximum Operating Voltage
Minimum Operating Voltage∗Note1
IOUT
Output Current
(Driver Output Pin)
tPLH
∆−VDET/∆T
Output Delay Time∗Note2
Detector Threshold
Temperature Coefficient
Conditions
VDD= (−VDET)−0.1V
(−VDET)+1.0V
Topt=25°C
−40°C <= Topt <= 85°C
Nch
VDS=0.05V, VDD=0.85V
VDS=0.50V, VDD=1.10V
Pch
VDS=−2.1V, VDD=4.5V
−40°C <= Topt <= 85°C
Min.
1.176
0.036
Typ.
1.200
0.060
0.8
1.1
0.65
Topt=25°C
Max. Unit
1.224
0.084
V
V
2.0
2.7
µA
6V
0.85
0.95
V
0.2 0.3
1.0 2.2
mA
2.0 5.0
100
mA
µs
±100
ppm/°C
• R3113D181A/C
Symbol
−VDET
VHYS
Item
Detector Threshold
Detector Threshold Hysteresis
ISS Supply Current
VDDH
Maximum Operating Voltage
VDDL
Minimum Operating Voltage∗Note1
IOUT
Output Current
(Driver Output Pin)
tPLH
∆−VDET/∆T
Output Delay Time∗Note2
Detector Threshold
Temperature Coefficient
Conditions
VDD= (−VDET)−0.1V
(−VDET)+1.0V
Topt=25°C
−40°C <= Topt <= 85°C
Nch
VDS=0.05V, VDD=0.70V
VDS=0.50V, VDD=1.50V
Pch
VDS=−2.1V, VDD=4.5V
−40°C <= Topt <= 85°C
Min.
1.764
0.054
Typ.
1.800
0.090
1.3
1.4
0.45
Topt=25°C
Max.
1.836
Unit
V
0.126
V
3.3
3.6
µA
6V
0.70
0.80
V
0.05 0.13
2.00 5.00
mA
2.0 5.0
100
mA
µs
±100
ppm/°C
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R3113D
TEST CIRCUITS
∗Pull-up circuit is not necessary for CMOS Output type, or R3113DxxxC.
ISS
VIN
VDD
R3113D
Series
OUT
GND
5.0V
VDD
470kΩ
VIN
R3113D
Series
OUT
VOUT
GND
Figure 3. Supply Current Test Circuit
Figure 4. Detector Threshold Test Circuit
VDD
R3113D
IOUT
VIN Series OUT
GND
VDS
VDD
VDS
R3113D
IOUT
VIN Series OUT
GND
VDD-|VDS|
Figure 5. Nch Driver Output Current Test Circuit
Figure 6. Pch Driver Output Current Test Circuit
∗Apply only to CMOS
(+VDET)+1.0V
Input
Voltage
Output
Voltage
0.85V
GND
100%
50%
GND
tPLH
5.0V
VDD
470kΩ
VIN
R3113D
Series
OUT
VOUT
GND
Figure 7. Output Delay Time Test Circuit (1)
Figure 8. Output Delay Time Test Circuit (2)
11
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| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet R3113D.PDF ] | |
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