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HT7039A(TO92) Datasheet

  • HT7039A(TO92)

  • Voltage Detector

  • 11頁

  • ETC

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HT70XX
Voltage Detector
Features
路
路
路
Low power consumption
Low temperature coefficient
Built-in high-stability reference source
路
路
Built-in hysteresis characteristic
TO-92 & SOT-89 package
Applications
路
路
路
Battery checkers
Level selectors
Power failure detectors
路
路
路
Microcomputer reset
Battery memory backup
Non-volatile RAM signal storage protectors
General Description
The HT70XX series is a 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 2.4V to 7V. The voltage detectors consist of
a high-precision and low power consumption
standard voltage source, a comparator, hyster-
esis circuit, and an output driver. CMOS tech-
nology ensures low power consumption.
Although designed primarily as fixed voltage
detectors, these devices can be used with exter-
nal components to detect user specified thresh-
old voltages (NMOS open drain type only).
Selection Table
Part No.
HT7024A
HT7027A
HT7033A
HT7039A
HT7044A
HT7050A
HT7070A
Detectable Voltage
2.4V
2.7V
3.3V
3.9V
4.4V
5V
7V
Hysteresis Width
0.12V
0.135V
0.165V
0.195V
0.22V
0.25V
0.35V
Tolerance
鹵5%
鹵5%
鹵5%
鹵5%
鹵5%
鹵5%
鹵5%
Note: The output type selection codes are:
NMOS open drain normal open, active low
PMOS open drain normal open, active high
For example: The HT7070A is a 7V, NMOS open drain active low output
1
May 3, 2000
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