參數(shù)資料
型號: SC806
廠商: Semtech Corporation
英文描述: Miniature High Current Lithium-Ion Battery Charger
中文描述: 微型大電流鋰離子電池充電器
文件頁數(shù): 2/13頁
文件大?。?/td> 405K
代理商: SC806
10
2004 Semtech Corp.
www.semtech.com
SC806
POWER MANAGEMENT
Typical Characteristics
Fast Charge I, Pre-Charge I Vcc < 4.2V
-35.0%
-30.0%
-25.0%
-20.0%
-15.0%
-10.0%
-5.0%
0.0%
5.0%
34
4.55
5.5
Input Voltage VCC (volts)
P
er
ce
n
tE
rro
ri
n
O
u
tp
u
tC
u
rr
en
ts
FastC harge C urrentError
Pre Charge C urrentError
Iprogram Voltage -vs- Iout
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
15.00%
20.00%
40.00%
60.00%
80.00%
100.00%
Output Current Percent, CC limit = 100%
Ipog
V
o
lt
ag
e(
V
ol
ts
)
-10.00%
-9.00%
-8.00%
-7.00%
-6.00%
-5.00%
-4.00%
-3.00%
-2.00%
-1.00%
0.00%
Iprgm _V oltage
Iprgm Voltage Error
Fast Charge Output Current Line Regulation
750
755
760
765
770
775
780
785
790
795
800
3.54
4.14.15
4.18
4.2
Vout Battery Voltage (Volts)
Io
u
t(
m
A
)
200
300
400
500
600
700
800
900
Io
u
t(
m
A
)V
cc=
4.
5
Iout_fastQ _vcc=5.0
Iout_fastQ _vcc=5.5
Iout_fastQ _vcc=4.5
Pre-Charge Output Current Line Regulation
51
51.1
51.2
51.3
51.4
51.5
51.6
51.7
51.8
51.9
11.522.52.75
Vout Battery Voltage (Volts)
Iout
(
m
A
)
Iout_PretQ _vcc=5.0
Iout_PreQ _vcc=5.5
Iout_PreQ _vcc=4.5
Drop-out Voltage -vs- Iout
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
100
500
800
Output Current (mA)
D
rop-
out
V
o
lt
ag
e(
V
ol
ts
)
0.4
0.41
0.42
0.43
0.44
0.45
0.46
0.47
0.48
0.49
0.5
E
q
ui
vo
le
nt
D
ro
p
-O
u
t
R
esi
st
an
ce
(
o
h
m
s)
D rop-out_V oltage
Drop-outResistancer
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