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參數(shù)資料
| 型號： | SC805 |
| 廠商： | Semtech Corporation |
| 英文描述： | Miniature Integrated High Current Lithium-Ion Battery Charger |
| 中文描述： | 微型集成高電流鋰離子電池充電器 |
| 文件頁數(shù)： | 3/15頁 |
| 文件大小： | 294K |
| 代理商： | SC805 |
11
2005 Semtech Corp.
www.semtech.com
SC805
POWER MANAGEMENT
Typical Characteristics
Batte ry Ch a rg e Pro file
3
3.2
3.4
3.6
3.8
4
4.2
4.4
0:00:00
0:12:30
0:25:00
0:37:30
0:50:00
1:02:30
1:15:00
1:27:30
1:40:00
1:52:30
2:05:00
2:17:30
2:30:00
2:42:30
2:55:00
3:07:30
3:20:00
3:32:30
3:45:00
TIM E
VOLTAGE
(Volts)
0
0.1
0.2
0.3
0.4
0.5
0.6
CURRENT
(Amps)
V C H AR G E
V C HRG B
I C H A R G E
Pre-Charge/Termination Current -vs- Rterm
0
10
20
30
40
50
60
70
80
90
18
70
21
40
25
00
30
00
37
50
00
75
00
15
00
0
30
00
0
Rterm Value (ohms)
O
u
tp
ut
C
u
rre
nt
(
m
A
)
Pre-Charge Current
Fast Charge Current -vs- Rprgm Value
0
100
200
300
400
500
600
700
800
900
18
70
21
40
25
00
30
00
37
50
00
75
00
15
000
30
000
Rpgrm Value (ohms)
Ou
tpu
tC
u
rr
en
t(m
A
)
FastC harge C urrent
Charge Tim er -vs- Rtim e
0
20
40
60
80
100
120
140
1E
+0
5
1E
+0
5
90
00
0
70
00
0
50
00
0
30
00
0
15
00
0
Rtim e (ohm s)
P
re
-C
h
a
rge
Ti
me
-o
u
t
(m
in
)
0
1
2
3
4
5
6
7
8
9
Fa
st-C
ha
rg
eTi
me
-ou
t
(hr
s)
Pre-C harge Time-out
Fast-C harge Timeout
Drop-out Voltage f(Iout)
0
0.05
0.1
0.15
0.2
0.25
100
250
500
Output Current (mA)
D
rop
-o
ut
V
o
lt
ag
e(
V
)
0.25
0.3
0.35
0.4
0.45
0.5
0.55
0.6
0.65
0.7
0.75
D
ro
p
-o
u
tR
es
ist
an
ce
(o
h
m
s)
Vdrop
Rout
VCHRGB voltage not to
scale, shown to indicate
timing.
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