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SC820 Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC820
Description  Adapter/USB Dual Input Single-cell Li-ion Charger
PDF  22 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC820 Datasheet(HTML) 7 Page - Semtech Corporation

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SC820
7
Typical Characteristics (continued)
CC PQ Line Regulation (AD or USB)
CC PQ Temperature Regulation (AD or USB)
I
FQ_AD vs. RIPRGM , or IFQ_USB vs. RIPUSB
I
PQ_AD vs. RIPRGM , or IPQ_USB vs. RIPUSB
CC — Input Reselection, AD to USB
CC — Input Reselection, USB to AD
5
5.566.5
77.5
8
90
100
110
120
130
140
150
160
V
VAD
(V)
T
A
= 25
ο
C, V
BAT
= 2.6V
R
IPRGM
or R
IPUSB
= 2.94kΩ
R
IPRGM
or R
IPUSB
= 4.42kΩ
-40
-20
0
20
40
60
80
100
120
90
100
110
120
130
140
150
160
Ambient Temperature (
o
C)
V
VAD
= 5V, V
BAT
= 2.6V
R
IPRGM
or R
IPUSB
= 2.94kΩ
R
IPRGM
or R
IPUSB
= 4.42kΩ
2
6
10
14
18
22
26
30
0
200
400
600
800
1000
R
IPRGM
or R
IPUSB
(kΩ)
V
VAD
= 5V, V
BAT
= 3.7V, T
A
= 25
ο
C
2
6
10
14
18
22
26
30
0
40
80
120
160
200
R
IPRGM
or R
IPUSB
(kΩ)
V
VAD
= 5V, V
BAT
= 2.6V, T
A
= 25
ο
C
400μs/div
V
VAD
(1.0V/div)
V
VAD
=0V—
I
BAT
(200mA/div)
I
BAT
=0mA—
V
BAT
=3.7V, V
VUSB
=5.0V
400μs/div
V
VAD
(1.0V/div)
V
VAD
=0V—
I
BAT
(200mA/div)
I
BAT
=0mA—
V
BAT
=3.7V, V
VUSB
=5.0V



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