Datasheet ICL7660S, ICL7660A (Renesas) - 6

ICL7660S, ICL7660A
Typical Performance Curves
See Figure 12 on page 7, “ICL7660S Test Circuit”) and Figure 13 on page 7 “ICL7660A Test Circuit”
(Continued) 10 20 ) V+ = 5V Hz 9 T (k A = +25°C 18 (kHz) C 8 C OS f OS 7 f 16 6 UENCY UENCY 14 Q 5 Q E E V+ = 10V R 4 12 OR FR OR F T 3 T A A L 10 2 V+ = 5V 1 OSCILL OSCIL 8 0 1 10 100 1k -55 -25 0 25 50 75 100 125 COSC (pF) TEMPERATURE (°C) FIGURE 5. FREQUENCY OF OSCILLATION AS A FUNCTION FIGURE 6. UNLOADED OSCILLATOR FREQUENCY AS A OF EXTERNAL OSCILLATOR CAPACITANCE FUNCTION OF TEMPERATURE 1 ) 100 100 V+ = 5V (% 90 90 0 TA = +25°C 80 80 A) ICIENCY 70 70 -1 F F E 60 60 TAGE (V) -2 50 50 SION URRENT (m VOL R 40 40 C UT LY P -3 P 30 30 OUT SUP 20 V+ = 5V 20 -4 WER CONVE T O 10 A = +25°C 10 P -5 0 0 0 10 20 30 40 0 10 20 30 40 50 60 LOAD CURRENT (mA) LOAD CURRENT (mA) FIGURE 7. OUTPUT VOLTAGE AS A FUNCTION FIGURE 8. SUPPLY CURRENT AND POWER CONVERSION OF OUTPUT CURRENT EFFICIENCY AS A FUNCTION OF LOAD CURRENT 2 100 V+ = 2V 90 ) TA = +25°C 4 80 16 1 ) E 1 (V ON 70 14 (NOT (%) 60 ERSI 12 A) LTAGE (m O 0 50 10 CONV R 40 8 EFFICIENCY 30 6 OUTPUT V -1 POWE V+ = 2V CURRENT 20 4 LY T P A = +25°C 10 2 SUP -2 0 0 0 1 2 3 4 5 6 7 8 9 0 1.5 3.0 4.5 6.0 7.5 9.0 LOAD CURRENT (mA) LOAD CURRENT (mA) FIGURE 9. OUTPUT VOLTAGE AS A FUNCTION OF OUTPUT FIGURE 10. SUPPLY CURRENT AND POWER CONVERSION CURRENT EFFICIENCY AS A FUNCTION OF LOAD CURRENT
FN3179 Rev 7.01 Page 6 of 14 Feb 10, 2020