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参数资料
| 型号： | R3111Q222B-TR-F |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封装： | LEAD FREE, SC-88A, 4 PIN |
| 文件页数： | 1/2页 |
| 文件大小： | 155K |
| 代理商： | R3111Q222B-TR-F |
R3111x Series
Low Input Voltage Detector
No.EK-071-091101
CMOS Voltage Detector
The R3111x Series are CMOS-based voltage detector ICs that can operate at low voltage.
R3111x is a simple voltage detector without an internal delay circuit.
FEATURES
Supply Current (I
SS1
) Typ. 1
μA (VDD=-VDET+2V, R3111x15x)
Operating Voltage Range (V
DD
) 0.7V to 10.0V (Topt=25
°C)
Detector Threshold Range (-V
DET
) 0.9V to 6.0V (internally fixed)
Reset Signal "L" (A and C Versions)
"H" (B Version)
Detector Threshold Accuracy ± 2%
Temp. coeff. of Detector Threshold Typ. ± 100ppm/°C
Two Output Types Nch. Open Drain and CMOS
Packages SON1612-6, SC-82AB, SC-88A,
SOT-23-3,SOT-23-5, SOT-89, TO-92
BLOCK DIAGRAMS
R3111xxxxA
(Nch. open drain "L" output)
VDD
OUT
GND
Vref
R3111xxxxB
(Nch. open drain "H" output)
VDD
OUT
GND
Vref
R3111xxxxC
(CMOS "L" output)
VDD
OUT
GND
Vref
SELECTION GUIDES
TIMING CHART
Package
Quantity per Reel
Part No.
SON1612-6
4,000 pcs
R3111D.xx.1.
-TR-F
SC-82AB
3,000 pcs
R3111Q.xx.1.
-TR-F
SC-88A
3,000 pcs
R3111Q.xx.2.
-TR-F
SOT-23-3
3,000 pcs
R3111N.xx.2.
-TR-F
SOT-23-5
3,000 pcs
R3111N.xx.1.
-TR-F
SOT-89
1,000 pcs
R3111H.xx.1.
-T1-F
TO-92
2,500 pcs
R3111E.xx.1.
-TZ-F
.xx. : Specify the detector threshold within the range
0.9V (.09.) to 6.0V (.60.) in 0.1V steps.
. : Select the output type from (.A.) Nch. open drain "L" output,
(.B.) Nch. open drain "H" output or (.C.) CMOS "L" output.
Hysteresis
tPLH
GND
VDDL
-VDET
+VDET
Detector Threshold
Minimum Operating
Voltage
Pull-up Voltage
Supply
Voltage
(VDD)
Output
Voltage
(VOUT)
R3111xxxxA
R3111xxxxB
R3111xxxxC
Released Voltage
Hysteresis
PACKAGES (Top View)
SON1612-6
SC-82AB
SC-88A
SOT-23-3
SOT-23-5
SOT-89
TO-92
1
2
3
6
5
4
1
2
4
3
1
3
5
4
2
12
3
13
54
2
1
2
3
12
3
1
OUT
2
VDD
3
GND
4
NC
5
VDD
6
NC
1
OUT
2
VDD
3
NC
4
GND
1
OUT
2
NC
3
VDD
4
NC
5
GND
1OUT
2
GND
3VDD
1OUT
2VDD
3
GND
4
NC
5
NC
1
OUT
2
VDD
3
GND
1VDD
2
GND
3OUT
APPLICATIONS
Microcontroller and logic circuit reset
Battery checker
Window comparator
Wave shaping circuit
Battery back-up circuit
Power failure detector
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相关代理商/技术参数 |
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