Datasheet

Data Sheet ADP1872/ADP1873
Rev. B | Page 11 of 40
700
190
220
250
280
310
340
370
400
430
460
490
520
550
580
610
640
670
0 16,00014,00012,00010,0008000600040002000
FREQUENCY (kHz)
LOAD CURRENT (mA)
V
IN
= 5.5V
V
IN
= 16.5V
V
IN
= 13V
+125°C
+25°C
–40°C
08297-028
Figure 28. Frequency vs. Load Current, 600 kHz, V
OUT
= 0.8 V
815
495
515
535
555
575
595
615
635
655
675
695
715
735
755
775
795
0 20,00016,000 18,00014,00012,00010,0008000600040002000
FREQUENCY (kHz)
LOAD CURRENT (mA)
V
IN
= 5.5V
V
IN
= 16.5V
V
IN
= 13V
+125°C
+25°C
–40°C
08297-029
Figure 29. Frequency vs. Load Current, 600 kHz, V
OUT
= 1.8 V
705
698
691
684
677
670
663
656
649
642
635
628
621
614
607
600
0 96008800800072006400560048004000320024001600800
FREQUENCY (kHz)
LOAD CURRENT (mA)
V
IN
= 13V
V
IN
= 16.5V
+125°C
+25°C
–40°C
08297-030
Figure 30. Frequency vs. Load Current, 600 kHz, V
OUT
=5 V
1300
1125
1150
1075
1000
925
850
775
700
625
550
475
400
0 16,00014,00012,00010,0008000600040002000
FREQUENCY (kHz)
LOAD CURRENT (mA)
V
IN
= 5.5V
V
IN
= 16.5V
V
IN
= 13V
+125°C
+25°C
–40°C
08297-031
Figure 31. Frequency vs. Load Current, V
OUT
= 1.0 MHz, 0.8 V
550
625
700
775
850
925
1000
1075
1150
1225
1300
1375
1450
0 20,00016,000 18,00014,00012,00010,0008000600040002000
FREQUENCY (kHz)
LOAD CURRENT (mA)
V
IN
= 5.5V
V
IN
= 16.5V
V
IN
= 13V
+125°C
+25°C
–40°C
MIN-OFF TIME
ENCROACHMENT
08297-032
Figure 32. Frequency vs. Load Current, 1.0 MHz, V
OUT
= 1.8 V
1000
1450
1400
1350
1300
1250
1200
1150
1100
1050
0 8000800 1600 2400 3200 4000 4800 5600 6400 7200
FREQUENCY (kHz)
LOAD CURRENT (mA)
V
IN
= 16.5V
V
IN
= 13V +125°C
+25°C
–40°C
08297-033
Figure 33. Frequency vs. Load Current, 1.0 MHz, V
OUT
= 4 V