Contents
1. Introduction............................................................................................................................1
2. Circuit Description..................................................................................................................2
3. Application examples.............................................................................................................5
4. Design Tips..........................................................................................................................12
5. Summary .............................................................................................................................14
List of Figures
1 Reset circuit.................................................................................................................................1
2 Functional Diagram......................................................................................................................3
3 Diagram for Calculation of Ct .......................................................................................................3
4 Timing diagram............................................................................................................................4
5 TL7705A in 5 Volt Microcomputer Applications...........................................................................6
6 Voltage Supervision of a multiple power supply ..........................................................................6
7 Typical Trigger Sensitivity at the SENSE input of the voltage monitor TL7705A.........................7
8 Circuit for Reduced Trigger Sensitivity ........................................................................................8
9 Modified Output Circuit ................................................................................................................9
10Circuit Diagram for Data Protection in a battery buffered memory............................................10
11Typical Variation of the Reference Voltage Vref versus supply Voltage Variations .....................10
12Typical Variation of the Reference Voltage Vref versus Ambient Temperature Variations .........11
13Buffered Circuit for the Reference Voltage................................................................................12
14Printed Circuit Layout for the supply voltage supervisor ...........................................................13
15Series Resistor at the Ct input of the TL770xB..........................................................................14
Supply voltage Supervisor TL77xx Series
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TI [ TEXAS INSTRUMENTS ]
