MB3887
■REFERENCE DATA
Conversion efficiency vs. Charge current | Conversion efficiency vs. Charge current |
(Constant voltage mode) | (Constant current mode) |
Conversion efficiency η (%)
100 | Ta = +25 °C | |
98 | ||
VIN = 19 V | ||
| ||
96 | BATT charge voltage = | |
94 | set at 12.6 V | |
SW = ON | ||
92 | ||
Efficiency η (%) = |
90(VBATT ⋅ IBATT)
/ (VIN ⋅ IIN) ⋅ 100
88
86
84
82
80
10 m | 100 m | 1 |
Conversion efficiency η (%)
10
100 |
| |
Ta = +25 °C | ||
98 | ||
VIN = 19 V | ||
|
96BATT charge voltage =
94set at 12.6 V SW = ON
92 Efficiency η (%) =
90(VBATT ⋅ IBATT) / (VIN ⋅ IIN)
88⋅ 100
82
80
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
BATT charge current IBATT (A) | BATT charge voltage VBATT (V) |
Conversion efficiency vs. Charge current | Conversion efficiency vs. Charge current |
(Constant voltage mode) | (Constant current mode) |
Conversion efficiency η (%)
100
98
96
94
92
90
88
86
84
82
80
10 m
Ta = +25 °C
VIN = 19 V
BATT charge voltage = set at 16.8 V
SW = ON Efficiency η (%) = (VBATT ⋅ IBATT)
/ (VIN ⋅ IIN) ⋅ 100
100 m | 1 | 10 |
Conversion efficiency η (%)
100
98
96
94
92
90
88
86
84
82
80
0
Ta = +25 °C
VIN = 19 V
BATT charge voltage = set at 16.8 V
SW = ON Efficiency η (%) = (VBATT ⋅ IBATT)
/ (VIN ⋅ IIN) ⋅ 100
2 4 6 8 10 12 14 16 18 20
BATT charge current IBATT (A) | BATT charge voltage VBATT (V) |
(Continued)
26
