CAT808
Low-Power Precision Voltage Detector
FEATURES
Ultra Low Current Consumption 2.4µA Accurate Voltage Detection...
CAT808
Low-Power Precision
Voltage Detector
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 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.
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.
APPLICATIONS
Battery-Powered Systems Power Supply Monitoring Handheld and Portable Equipment Processor Supervisor Reset
www.DataSheet4U.com
For Ordering Information details, see page 7.
PIN CONFIGURATION
SOT-89
OUT 1 VDD 2 GND 3
TYPICAL APPLICATION
5-Lead Thin SOT-23
VDD IN CAT808 OUT DC-DC CONVERTER SHDN GND OUT
OUT 1 VDD 2 GND 3
5 NC
Battery
Voltage
10kΩ
4 NC
GND
Note: The value of the pull-up resistor is not critical
© 2006 Catalyst Semiconductor, Inc. Charact...