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PDF CAT808 Data sheet ( Hoja de datos )
| Número de pieza | CAT808 | |
| Descripción | Low-Power Precision Voltage Detector | |
| Fabricantes | Catalyst Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CAT808 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Low-Power Precision Voltage Detector
CAT808
FEATURES
Ultra Low Current Consumption 2.4µA
Accurate Voltage Detection Threshold
Fine Voltage Detection Threshold Resolution
Active Low Open Drain Output
Available in 5-pin TSOT- 23 and 3-pin SOT- 89
RoHS compliant packages
Industrial temperature range -40°C to +85°C
APPLICATIONS
Battery-Powered Systems
Power Supply Monitoring
Handheld and Portable Equipment
Processor Supervisor Reset
DESCRIPTION
The CAT808 is a high-precision voltage detector
designed for monitoring single cell and multi-cell batteries.
Voltage detection thresholds between 2.0V and 3.2V are
provided with 0.1V resolution and ±3.0% accuracy.
The CAT808 open-drain output is active low until the
VDD voltage exceeds the detection threshold. A low
hysteresis is built into the device to minimize output
“chatter”, while VDD passes through the detection
threshold, and the output transitions high.
After the CAT808 asserts the output high condition, it
continues to monitor VDD until it drops below the
detection threshold, when the output goes low until
VDD once again exceeds the detection threshold.
www.DataSheet4U.com
For Ordering Information details, see page 7.
PIN CONFIGURATION
TYPICAL APPLICATION
SOT-89
OUT 1
VDD 2
GND 3
5-Lead Thin SOT-23
OUT 1
VDD 2
GND 3
5 NC
Battery
Voltage
4 NC
VDD
CAT808
OUT
GND
10kΩ
IN
DC-DC
CONVERTER
SHDN OUT
GND
Note: The value of the pull-up resistor is not critical
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 3024 Rev. A
1 page  
PACKAGE INFORMATION
5-LEAD TSOT-23 PACKAGE
e
e
CAT808
E
E1
E1
e1
D
A2 A
c
b A1
SYMBOL
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
L2
q
MIN
—
0.01
0.80
0.30
0.12
0.30
0º
NOM
—
0.05
0.87
—
0.15
2.90BSC
2.80BSC
1.60BSC
0.95BSC
1.90BSC
0.40
0.60REF
0.25BSC
MAX
1.00
0.10
0.90
0.45
0.20
0.50
8º
Notes:
(1) All dimensions are in millimeters.
(2) Complies with JEDEC specification MO-193.
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
GAUGE
PLANE
L2
L
L1
Doc. No. 3024 Rev. A
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CAT808.PDF ] | |
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