Fujitsu MB3887 manual

MB3887

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

				η (%)
				efficiency
	Ta = +25 °C
	VIN = 19 V			Conversion
	BATT charge voltage =
	set at 16.8 V
	SW = ON
	Efficiency η (%)		=
	(VBATT ⋅ IBATT)
	/	(VIN ⋅ IIN) ⋅ 100
100 m		1	10

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)

BATT voltage vs. BATT charge current (set at 12.6 V)

18
	Ta = +25 °C VIN = 19 V
16	BATT : Electronic load,

(V)	14	(Product of KIKUSUI PLZ-150W)
BATT	12

V	10
voltage		Dead Battery MODE						DCC MODE
	6
	8
BATT	4
	2				DCC : Dynamically-Controlled
	0
	0	0.5	1	1.5	2	2.5	3	3.5	4	4.5	5

BATT voltage vs. BATT charge current (set at 16.8 V)

	20				BATT : Electronic load,
	18
					(Product of KIKUSUI PLZ-150W)
(V)
	16								Ta = +25 °C
BATT	14								VIN = 19 V
	12
V
		Dead Battery MODE						DCC MODE
voltage	10
	8
BATT	6
	4
	2				DCC : Dynamically-Controlled
	0
	0	0.5	1	1.5	2	2.5	3	3.5	4	4.5	5

BATT charge current IBATT (A) BATT charge current IBATT (A)

(Continued)

27