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參數(shù)資料
| 型號： | R3112Q271A-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源管理 |
| 英文描述： | Multiconductor Cable; Number of Conductors:40; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Voltage Nom.:300V RoHS Compliant: Yes |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SC-82AB, 4-PIN |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 267K |
| 代理商： | R3112Q271A-TR |
LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3112xxx1A/C Series
2001. Apr. 4
Rev. 1.10 - 1 -
I
OUTLINE
The R3112 Series are voltage detector ICs with high detector threshold accuracy and ultra-low
supply current by CMOS process, 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, resistor net for detector
threshold setting, an output driver, a hysteresis circuit, and an output delay 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.
Two types of packages, SOT-23-5 and ultra small SC-82AB can be selected so that high density
mounting on boards is possible.
I
FEATURES
G
Built-in Output Delay Circuit
TYP. 100ms with an external capacitor: 0.022
μ
F
G
Ultra-low Supply Current
TYP. 1.0μA (V
DD
=3.5V)
G
Wide Range of Operating Voltage
0.7
～
6.0V(Topt=25
°
C)
G
Detector Threshold
Stepwise setting with a step of 0.1V in the range of 0.9V to 5.0V
is possible.
G
High Accuracy Detector Threshold
±2.0%
G
Low Temperature-Drift Coefficient of Detector Threshold
TYP. ±100ppm/
°
C
G
Two Output Types
Nch Open Drain and CMOS
G
Two Types of Packages
SOT-23-5 (Mini-mold), SC-82AB
I
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
I
BLOCK DIAGRAMS
R3112XXX1A R3112XXX1C
V
DD
Vref
OUT
GND
C
D
+
-
R
D
Vref
V
DD
OUT
GND
C
D
+
--
R
D
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R3112Q271C | Multiconductor Cable; Number of Conductors:50; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Conductor Plating:Tin RoHS Compliant: Yes |
| R3112Q271C-TR | Multiconductor Cable; Number of Conductors:50; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Voltage Nom.:300V RoHS Compliant: Yes |
| R3112Q451A | Multiconductor Cable; Number of Conductors:7; Conductor Size AWG:20; No. Strands x Strand Size:7 x 28; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Voltage Nom.:300V RoHS Compliant: Yes |
| R3112Q451A-TR | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |
| R3112Q451C | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |
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