Datasheet

ADP1882/ADP1883
Rev. 0 | Page 12 of 40
08901-033
900
950
FREQUENCY (kHz)
1000
1050
1100
1150
1200
1250
1300
1350
0 0.8k 1.6k 2.4k 3.2k 4.0k 4.8k 5.6k 6.4k 7.2k 8.0k
LOAD CURRENT (mA)
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
3.6 4.8 6.0 7.2 8.4 9.6 10.8 12.0 13.2 14.4 15.6
MAXIMUM DUTY CYCLE (%)
V
IN
(V)
V
IN
= 16.5V
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
V
IN
= 13V
Figure 34. Frequency vs. Load Current, 1.0 MHz, V
OUT
= 4 V
2.649
2.650
–40 120100806040200–20
2.658
2.657
2.656
2.655
2.654
2.653
2.652
2.651
UVLO (V)
TEMPERATURE (°C)
08901-034
08901-035
Figure 35. UVLO vs. Temperature
40
45
300 400 500 600 700 800 900 1000
FREQUENCY (kHz)
50
55
60
65
70
75
80
85
90
95
100
MAXIMUM DUTY CYCLE (%)
V
DD
=2.7V
V
DD
=5.5V
V
DD
=3.6V
+125°C
+25°C
–40°C
Figure 36. Maximum Duty Cycle vs. Frequency
V
DD
= 5.5V
V
DD
= 3.6V +125°C
+25°C
–40°C
08297-036
180
680
630
580
530
480
430
380
330
280
230
–40 120100806040200–20
MINUMUM OFF TIME (ns)
TEMPERATURE (°C)
Figure 37. Maximum Duty Cycle vs. High Voltage Input (V
IN
)
V
REG
= 2.7V
V
REG
= 5.5V
V
REG
= 3.6V
08901-037
Figure 38. Minimum Off Time vs. Temperature
180
680
630
580
530
480
430
380
330
280
230
2.7 5.55.14.74.33.93.53.1
MINUMUM OFF TIME (ns)
VREG (V)
+125°C
+25°C
–40°C
08901-038
Figure 39. Minimum Off Time vs. V
DD
(Low Input Voltage)