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RT9833G-34GY Datasheet(PDF) 1 Page - Richtek Technology Corporation

Part # RT9833G-34GY
Description  Micro-Power Voltage Detectors
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9833G-34GY Datasheet(HTML) 1 Page - Richtek Technology Corporation

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RT9833
®
DS9833-00 May 2013
www.richtek.com
1
Copyright 2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Features
Internally Fixed Threshold 1V to 5V in 0.1V Step
High Accuracy
±±±±±1.5%
Low Supply Current 3
μμμμμA
No External Components Required
Quick Reset within 20
μμμμμs
Built-in Recovery Delay : 0ms, 55ms, 220ms, 450ms
Options
800ns Glitch Immunity of Manual Reset Input
Low Functional Supply Voltage 0.9V
N-Channel Open-Drain Output
Small SC-82 Package
RoHS Compliant and Halogen Free
Applications
Computers
Controllers
Intelligent Instruments
Critical
μP and μC Power Monitoring
Portable/Battery-Powered Equipment
Micro-Power Voltage Detectors with Manual Reset
General Description
The RT9833 is a micro-power voltage detector with
deglitched manual reset input supervising the power supply
voltage level for microprocessors (
μP) or digital systems.
It provides internally fixed threshold levels with 0.1V per
step ranging from 1V to 5V, which covers most digital
applications. It features low supply current of 3
μA. The
RT9833 performs supervisory function by sending out a
reset signal whenever the VDD voltage falls below a preset
threshold level. This reset signal will last the whole period
before VDD recovering. Once VDD recovered upcrossing
the threshold level, the reset signal will be released after
a certain delay time. To pull reset signal low manually,
just pull the manual reset input (MR) below the specified
VIL level. The RT9833 is available in the SC-82 package.
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Simplified Application Circuit
RT9833
VDD
RESET/
RESET
VDD
µp
RESET/
RESET
GND
MR
Ordering Information
Note :
Richtek 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.
RT9833
Package Type
Y : SC-82
Lead Plating System
G : Green (Halogen Free and Pb Free)
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)


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