Datasheet LM3722, LM3723, LM3724 (Texas Instruments) - 5

LM3722 , LM3723, LM3724 www.ti.com
SNVS154E – MAY 2001 – REVISED MARCH 2013
Typical Performance Characteristics Supply Current Supply Current vs vs VCC Temperature
9 10 VCC = 5.5V 8 8 7 ) A (P 6 T ) EN 6 A 5 R (P R VCC = 3.6V U C 4 I C C Y 4 VCC = 2.5V 3 PPL 2 SU 2 1 0 0 0 1 2 3 4 5 6 -40 -15 10 35 60 85 VCC (V) TEMPERATURE (oC)
Figure 5. Figure 6. Reset Timeout Reset Timeout vs vs VCC Temperature
1.05 210 200 T ) U O 1.025 (ms 190 IME T T U T E S 180 RE 1 IMEO D T E IZ L 170 ESET RMA R O 0.975 N 160 150 0.95 -40 -20 0 20 40 60 80 2 3 4 5 6 TEMPERATURE (oC) VCC (V)
Figure 7. Figure 8. Normalized VTH LM3724 VOL vs vs Temperature Current
1.005 700 V 1.004 CC = 2.5V 600 1.003 500 H 1.002 T V VCC = 3.3V 1.001 400 ED IZ 1.000 (mV) L VCC = 5V O MAL V 300 0.999 R O N 0.998 200 0.997 100 0.996 0 0.995 -40 -20 0 20 40 60 80 0.1 0.3 1.0 3.0 10.0 SINK CURRENT TEMPERATURE (oC) (mA)
Figure 9. Figure 10.
Copyright © 2001–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM3722 LM3723 LM3724 Document Outline FEATURES APPLICATIONS DESCRIPTION Typical Application Circuits Connection Diagram Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Timing Diagram Circuit Information RESET OUTPUT RESET THRESHOLD MANUAL RESET INPUT (MR) Applications Information BENEFITS OF PRECISION RESET THRESHOLDS ENSURING A VALID RESET OUTPUT DOWN TO VCC = 0V OPEN DRAIN OUTPUT (LM3724) NEGATIVE-GOING VCC TRANSIENTS INTERFACING TO µPS WITH BIDIRECTIONAL RESET PINS Typical Application Circuits Revision History