Datasheet

ADP1882/ADP1883
Rev. 0 | Page 8 of 40
08901-010
20
100 1k 10k 100k
LOAD CURRENT (mA)
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
V
DD
= 5.5V/V
IN
= 5.5V (PSM)
V
DD
= 3.6V/V
IN
= 3.6V
V
DD
= 5.5V/V
IN
= 13V
V
DD
= 3.6V/V
IN
= 13V
V
DD
= 5.5V/V
IN
= 16.5V
T
A
= 25°C
V
OUT
= 0.8V, V
IN
= 5.5V
F
SW
= 1MHz
WURTH INDUCTOR:
744303022, L = 0.22µH, DCR: 0.33m
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
V
DD
= 5.5V/V
IN
= 5.5V
Figure 10. Efficiency—1.0 MHz, V
OUT
= 0.8 V
08901-011
20
100
1k 10k 100k
LOAD CURRENT (mA)
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
V
DD
= 5.5V/V
IN
= 5.5V (PSM)
V
DD
= 5.5V/V
IN
= 5.5V
V
DD
= 3.6V/V
IN
= 13V
V
DD
= 5.5V/V
IN
= 13V
V
DD
= 3.6V/V
IN
= 16.5V
V
DD
= 5.5V/V
IN
= 16.5V
T
A
= 25°C
V
OUT
= 1.8V, V
IN
= 5.5V
F
SW
= 1MHz
WURTH INDUCTOR:
744303022, L = 0.22µH, DCR: 0.33m
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
08901-012
Figure 11. Efficiency—1.0 MHz, V
OUT
= 1.8 V
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
100 1k 10k
EFFICIENCY (%)
LOAD CURRENT (mA)
V
DD
= 5.5V/V
IN
= 16.5V (PSM)
V
DD
= 5.5V/V
IN
= 16.5V
V
DD
= 5.5V/V
IN
= 13V
T
A
= 25°C
V
OUT
= 4V, V
IN
= 16.5V
F
SW
= 1MHz
WURTH INDUCTOR:
744318180, L = 1.4µH, DCR: 3.2m
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
Figure 12. Efficiency—1.0 MHz, V
OUT
= 4 V
08901-013
0 2k 4k 6k 8k 10k 12k 14k 16k
OUTPUT VOLTAGE (V)
LOAD CURRENT (mA)
0.790
0.792
0.794
0.796
0.798
0.800
0.802
0.804
0.806
0.808
0.810
0.812
0.814
0.816
0.818
0.820
V
IN
= 16.5V
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
V
IN
= 5.5V V
IN
= 13V
08901-014
Figure 13. Output Voltage Accuracy—300 kHz, V
OUT
= 0.8 V
0 1.5k 3.0k 4.5k 6.0k 7.5k 9.0k 10.5k 12.0k 13.5k 15.0k
OUTPUT VOL
T
AGE (V)
LOAD CURRENT (mA)
V
IN
= 16.5V
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
V
IN
= 5.5V V
IN
= 13V
1.784
1.809
1.804
1.799
1.794
1.789
Figure 14. Output Voltage Accuracy—300 kHz, V
OUT
= 1.8 V
08901-015
0 1k2k3k4k5k6k7k8k9k10k
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
6.905
6.970
6.965
6.960
6.955
6.950
6.945
6.940
6.930
6.935
6.925
6.920
6.915
6.910
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
V
DD
= 3.6V,
V
IN
= 16.5V
V
DD
= 5.5V,
V
IN
= 13V
V
DD
= 5.5V,
V
IN
= 16.5V
V
DD
= 3.6V,
V
IN
= 13V
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
Figure 15. Output Voltage Accuracy—300 kHz, V
OUT
= 7 V