Fujitsu MB3878 Manuale Utente

Pagina di 24
MB3878
19
REFERENCE DATA
100
98
96
94
92
90
88
86
84
82
80
10 m
100 m
1
10
100
98
96
94
92
90
88
86
84
82
80
0
2
4
6
8
10
12
14
16
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
DCC : Dynamically Controlled Charging
Dead Battery MODE
DCC MODE
20
15
10
5
0
20
15
10
5
0
0
80
120
160
200
t (ms)
40
BATT (V)
CTL (V)
5 V
5 V
20 ms
20
15
10
5
0
4
2
0
0
4
6
8
10
2
OUTH (V)
FB3 (V)
5 V
2 V
µ
s
t (
µ
s)
Conversion efficiency vs. charge current
(Fixed voltage mode)
Conversion efficiency vs. charge voltage
(Fixed current mode)
Conversion efficiency
η
 (
%
BATT charge current I
BATT
 (A) 
Conversion efficiency
η
 (
%
BATT charge voltage V
BATT
 (V) 
BATT voltage vs. BATT charge current
VIN 
=
 19 V
BATT :  Electronic load,
(Product of KIKUSUI PLZ-150W) 
BATT voltage
V
BATT
 (V) 
BATT charge current
I
BATT
 (A) 
VIN 
=
 19 V
BATT 
charge voltage
 
=
 12.6 V
f
OSC
 
=
 277.9 kHz
η
 (
%
)  
=
  (V
BATT
 
×
 I
BATT
)  
/
  (VIN 
×
 IIN)  
×
 100
Soft-start operating waveforms
VIN 
=
 19 V
Load : BATT 
=
 20 
Ω
INE2 
=
 0 V
VIN 
=
 19 V
f
OSC
 
=
 277.9 kHz
Load  : BATT 
=
 1 A
DC/DC converter switching waveforms
VIN 
=
 19 V
BATT :  Electronic load,
(Product of KIKUSUI PLZ-150W)