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HT7039A-2 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

Part No. HT7039A-2
Description  TinyPowerTM Voltage Detector
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7039A-2 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT70xxA-2
TinyPowerTM Voltage Detector
Selection Table
Part No.
Detectable
Voltage
Hysteresis
Width
Tolerance
Package
Marking
HT7022A-2
2.2V
0.110V
±1%
TO92
SOT89
SOT23-5
70xxA-2 (for TO92)
70xxA-2# (for SOT89)
70xxA-2+ (for SOT89)
xxA2+ (for SOT23-5)
HT7024A-2
2.4V
0.120V
HT7027A-2
2.7V
0.135V
HT7033A-2
3.3V
0.165V
HT7039A-2
3.9V
0.195V
HT7044A-2
4.4V
0.220V
HT7050A-2
5.0V
0.250V
HT7082A-2
8.2V
0.410V
Note:
²XX² stands for output voltages.
Both lead free and green compound devices are available.
²#² stands for lead free devices. For the TO-92 package, there will be a ²#² mark at the end of the date code.
²+² stands for green compound devices, which are Lead-free and Halogen-free.
For the TO-92 package, there will be a
²+² mark at the end of the date code.
Rev. 1.00
1
February 10, 2012
General Description
The HT70xxA-2 series devices area set of three terminal
low power voltage detectors implemented in CMOS
technology. Each voltage detector in the series detects a
particular fixed voltage ranging from 2.2V to 8.2V. The
voltage detectors consist of a high-precision and low
power consumption standard voltage source as well as a
comparator, hysteresis circuit, and an output driver.
CMOS technology ensures low power consumption.
Although designed primarily as fixed voltage detectors,
these devices can be used with external components to
detect user specified threshold voltages.
Features
· Low power consumption
· Low temperature coefficient
· High input voltage range (up to 24V)
· Output voltage accuracy: tolerance ± 1%
· Built-in hysteresis characteristic
· TO92, SOT89 and SOT23-5 package
Applications
· Battery checkers
· Level selectors
· Power failure detectors
· Microcomputer reset
· Battery memory backup
· Non-volatile RAM signal storage protectors


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