Datasheet

ADP1882/ADP1883
Rev. 0 | Page 7 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
WURTH IND: 744355147, L = 0.47 µH, DCR: 0.80M
INFENION FETs: BSC042N03MS G (UPPER/LOWER)
TA = 25°C
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
100
15
25
35
20
30
40
45
50
55
60
65
70
75
80
85
90
95
100 100k10k1k
EFFICIENCY (%)
LOAD CURRENT (mA)
100 1k 10k 100k
LOAD CURRENT (mA)
V
DD
= 3.6V, V
IN
= 5.5V (PSM)
V
DD
= 5.5V, V
IN
= 5.5V (PSM)
V
DD
= 5.5V, V
IN
= 13V (PSM)
V
DD
= 3.6V, V
IN
= 16.5V (PSM)
V
DD
= 5.5V, V
IN
= 5.5V
V
DD
= 5.5V, V
IN
= 16.5V (PSM)
V
DD
= 5.5V,
V
IN
= 13V
(PSM)
V
DD
= 3.6V,
V
IN
= 13V
(PSM)
V
DD
= 5.5V, V
IN
= 5.5V (PSM)
V
DD
= 5.5V,
V
IN
= 13V (PSM)
V
DD
= 5.5V, V
IN
= 5.5V
V
DD
= 5.5V, V
IN
= 13V
V
DD
= 5.5V, V
IN
= 16.5V (PSM)
08901-007
V
DD
= 5.5V, V
IN
= 16.5V
V
DD
= 3.6V, V
IN
= 5.5V
WURTH INDUCTOR: 744355072, L = 0.72µH, DCR: 1.65m
INFINEON FETS: BSC042N03MS G (UPPER/LOWER)
R
ON
: 5.4m
T
A
= 25°C
08901-004
Figure 4. Efficiency—300 kHz, V
OUT
= 0.8 V
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
Figure 7. Efficiency—600 kHz, V
OUT
= 0.8 V
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
100 1k 10k 100k
EFFICIENCY (%)
LOAD CURRENT (mA)
100 1k 10k 100k
LOAD CURRENT (mA)
WURTH INDUCTOR: 7443252100, L = 1.0µH, DCR: 3.3m
INFINEON MOSFETS: BSC042N03MS G (UPPER/LOWER)
R
ON
: 5.4m
T
A
= 25°C
V
DD
= 5.5V, V
IN
= 5.5V (PSM)
V
DD
= 5.5V, V
IN
= 5.5V
V
DD
= 5.5V, V
IN
= 16.5V (PSM)
V
DD
= 5.5V, V
IN
= 16.5V
V
DD
= 5.5V,
V
IN
= 13V
V
DD
= 5.5V, V
IN
= 13V (PSM)
V
DD
= 3.6V, V
IN
= 5.5V
0
8901-005
Figure 5. Efficiency—300 kHz, V
OUT
= 1.8 V
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
V
DD
= 5.5V, V
IN
= 5.5V
V
DD
= 3.6V, V
IN
= 5.5V
V
DD
= 5.5V, V
IN
= 5.5V (PSM)
V
DD
= 5.5V, V
IN
= 16.5V (PSM)
V
DD
= 5.5V, V
IN
= 13V (PSM)
V
DD
= 5.5V, V
IN
= 16.5V
V
DD
= 5.5V, V
IN
= 13V
WURTH INDUCTOR: 744325072, L = 0.72µH, DCR: 1.65m
INFINEON FETS: BSC042N03MS G (UPPER/LOWER)
R
ON
: 5.4m
T
A
= 25°C
8901-008
0
Figure 8. Efficiency—600 kHz, V
OUT
= 1.8 V
08
100 1k 10k 100k
LOAD CURRENT (mA)
T
A
= 25°C
V
OUT
= 1.8V
F
SW
= 300kHz
WURTH INDUCTOR:
744355200, L = 2µH, DCR: 2.5m
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
V
DD
= 5.5V, V
IN
= 16.5V (PSM)
V
DD
= 2.7V, V
IN
= 16.5V (PSM)
V
DD
= 5.5V, V
IN
= 16.5V
V
DD
= 3.6V, V
IN
= 16.5V
V
DD
= 2.7V, V
IN
= 13V
V
DD
= 3.6V, V
IN
= 13V
V
DD
= 5.5V, V
IN
= 13V
50
55
60
65
70
75
80
85
90
95
100
100 1k 10k 100k
EFFICIENCY (%)
V
DD
= 5.5V/V
IN
= 13V (PSM)
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
= 5V, V
IN
= 13V
F
SW
= 600kHz
WURTH INDUCTOR:
7443552100, L = 1.0µH, DCR: 3.3m
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
901-009
0
8901-006
Figure 6. Efficiency—300 kHz, V
OUT
= 7 V
LOAD CURRENT (mA)
Figure 9. Efficiency—600 kHz, V
OUT
= 5 V