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參數資料
| 型號： | RT9818F-13GV |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Micro-Power Voltage Detectors |
| 中文描述： | 微功耗電壓檢測器 |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 170K |
| 代理商： | RT9818F-13GV |
RT9818
1
DS9818-05 March 2007
www.richtek.com
Features
z
Internally Fixed Threshold 1.2V to 5V in 0.1V Step
z
High Accuracy
±
1.5%
z
Low Supply Current 3
μ
A
z
No External Components Required
z
Quick Reset within 20
μ
s
z
Built-in Recovery Delay Include 0ms, 55ms, 220ms,
450ms Options
z
Low Functional Supply Voltage 0.9V
z
N-Channel Open-Drain Output
z
Small SC-82, SC-70-3, SOT-23-3, SOT-23-5, SOT-89
Packages
z
RoHS Compliant and 100% Lead (Pb)-Free
Applications
z
Computers
z
Controllers
z
Intelligent Instruments
z
Critical
μ
P and
μ
C Power Monitoring
z
Portable/Battery-Powered Equipment
Micro-Power Voltage Detectors
General Description
The RT9818 is a micro-power voltage detector
supervising the power supply voltage level for
microprocessors (
μ
P) or digital systems. It provides
internally fixed threshold levels with 0.1V per step ranging
from 1.2V to 5V, which covers most digital applications. It
features low supply current of 3
μ
A. The RT9818 performs
supervisory function by sending out a reset signal
whenever the V
DD
voltage falls below a preset threshold
level. This reset signal will last the whole period before
V
DD
recovering. Once V
DD
recovered upcrossing the
threshold level, the reset signal will be released after a
certain delay time. RT9818 is provided in SC-82, SC-70-3,
SOT-23-3, SOT-23-5 and SOT-89 packages.
Marking Information
For marking information, contact our sales representative
directly or through a RichTek distributor located in your
area, otherwise visit our website for detail.
Note :
RichTek Pb-free and Green products are :
`
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
`
Suitable for use in SnPb or Pb-free soldering processes.
`
100%matte tin (Sn) plating.
Ordering Information
RT9818
-
Typical Application Circuit
GND
RESET/
RESET
VDD
RT9818
RESET/
RESET
VDD
μ
P
Pull Up
100k
Package Type
U3 : SC-70-3
V : SOT-23-3
VL : SOT-23-3 (L-Type)
B : SOT-23-5
X : SOT-89
Y : SC-82
YR : SC-82 (R-Type)
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Threshold Voltage
12 : 1.2V
13 : 1.3V
:
49 : 4.9V
50 : 5.0V
Reset Active Timeout Period
A = 0ms
(RESET)
B = 55ms
(RESET)
C = 220ms
(RESET)
D = 450ms
(RESET)
E = 0ms
(RESET)
F = 55ms
(RESET)
G = 220ms
(RESET)
H = 450ms
(RESET)
相關PDF資料 |
PDF描述 |
|---|---|
| RT9818F-13GVL | Micro-Power Voltage Detectors |
| RT9818F-13GX | Micro-Power Voltage Detectors |
| RT9818F-13GY | Micro-Power Voltage Detectors |
| RT9818F-13GYR | Micro-Power Voltage Detectors |
| RT9818F-13PB | Micro-Power Voltage Detectors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| RT9818F-13GVL | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Micro-Power Voltage Detectors |
| RT9818F-13GX | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Micro-Power Voltage Detectors |
| RT9818F-13GY | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Micro-Power Voltage Detectors |
| RT9818F-13GYR | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Micro-Power Voltage Detectors |
| RT9818F-13PB | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Micro-Power Voltage Detectors |
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