H70XXA-1
Low Power Voltage Detector
Features
Low power consumption
High input voltage (up to 15V)
Low temperature coefficient
Output voltage accuracy: tolerance ±1% or ±2%
Built-in hysteresis characteristic
TO92, SOT89 ,SOT23 and SOT23-3 package
Applications
Battery checkers
Microcomputer reset
Level selectors
Battery memory backup
Power failure detectors
Non-volatile RAM signal storage protectors
General Description
hysteresis circuit, and an output driver. CMOS
terminal low power voltage detectors implemented
technology ensures low power consumption.
in CMOS technology. Each voltage detector in the
Although designed primarily as fixed voltage
series detects a particular fixed voltage ranging
detectors, these devices can be used with external
from 2.2V to 7.0V. The voltage detectors consist of
components to detect user specified threshold
a high-precision and low power consumption
voltages.
standard voltage source as well as a comparator,
Selection Table
Hysteresis
Width
0.11V
0.12V
0.135V
0.15V
0.165V
0.18V
0.195V
0.2V
0.22V
0.25V
0.35V
Tolerance
±2%
±2%
±2%
±2%
±2%
±2%
±2%
±2%
±2%
±2%
±2%
SI
H7022A-1
H7024A-1
H7027A-1
H7030A-1
H7033A-1
H7036A-1
H7039A-1
H7040A-1
H7044A-1
H7050A-1
H7070A-1
Detectable
Voltage
2.2V
2.4V
2.7V
3.0V
3.3V
3.6V
3.9V
4.0V
4.4V
5.0V
7.0V
Package
Marking
TO92
SOT89
70XXA-1(for TO92)
PR
O
Part No.
IN
The H70XXA-1 series devices are a set of three
70XXA-1(for SOT89)
Note: For lead free devices, TO92 package will add a “#” mark at the end of the date code, whereas
SOT89 packages will add a “#” mark at the end of the marking.
Typical Application Circuits
Ver1.9
1
Shanghai Siproin Microelectronics Co.
H70XXA-1
Low Power Voltage Detector
Order Information
H70①②A-1③④⑤
Designator
① ②
③
④
⑤
Symbol
Integer
N
C
T
P
M
N
R
G
Description
Output Voltage(2.2~7.0V)
NMOS
CMOS
Package:TO-92
Package:SOT89
Package:SOT23-3
Package:SOT23
RoHS / Pb Free
Halogen Free
SI
PR
O
IN
Block Diagram
Output Table & Curve
VDD
VDD>VDET(+)
VOUT
Hi-Z
Ver1.9
VDD≤VDET(-)
VSS
2
Shanghai Siproin Microelectronics Co.
H70XXA-1
Low Power Voltage Detector
PR
O
Absolute Maximum Ratings
IN
Pin Assignment
Supply Voltage ................................-0.3V to16V
Storage Temperature ..................-50℃ to 125℃
Operating Temperature .................-40℃ to 85℃
Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum
Ratings” may cause substantial damage to the device. Functional operation of this device at other
conditions beyond those listed in the specification is not implied and prolonged exposure to extreme
conditions may affect device reliability.
SI
Thermal Information
Symbol
θJA
PD
Parameter
Thermal Resistance (Junction to
Ambient) (Assume no ambient
airflow, no heat sink)
Power Dissipation
Package
Max.
Unit
SOT23
500
℃/W
SOT89
200
℃/W
TO92
200
℃/W
SOT23
0.20
W
SOT89
0.50
W
TO92
0.50
W
Note: PD is measured at Ta= 25℃
Ver1.9
3
Shanghai Siproin Microelectronics Co.
H70XXA-1
Low Power Voltage Detector
Electrical Characteristics
Ta=25℃
H7022A-1XXX
Test Conditions
Symbol
Parameter
VDD
Conditions
Min.
Typ.
Max.
Unit
2.156
2.200
2.244
V
0.02
0.05
0.1
VDET
VDET
VDET
Detection Voltage
-
-
VHYS
Hysteresis Width
-
-
IDD
Operating Current
8V
No Load
-
2
3
μA
VDD
Operating Voltage
-
-
1.5
-
16
V
IOL
Output Sink Current
2V
0.5
1
-
mA
∆VDET
∆Ta
Temperature
-
±0.9
-
mV/℃
Symbol
VOUT=0.2V
Coefficient
V
0℃
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