參數(shù)資料
型號(hào): MAX1909ETI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: Multichemistry Battery Charger with Automatic System Power Selector
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, QCC28
封裝: 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHD-1, TQFN-28
文件頁數(shù): 11/29頁
文件大?。?/td> 551K
代理商: MAX1909ETI
M
Multichemistry Battery Charger with Automatic
System Power Selector
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V
DCIN
= 20V, charge current = 3A, 4 Li+ series cells, T
A
= +25
°
C, unless otherwise noted.)
-3
-1
-2
1
0
2
3
1.5
2.5
2.0
3.0
3.5
INPUT CURRENT-LIMIT ACCURACY vs. V
CLS
M
V
CLS
(V)
I
PDL-PDS SWITCHING,
AC ADAPTER INSERTION
MAX1909 toc14
100
μ
s/div
10V
20V
10V
20V
10V
20V
0V
V
WALLADAPTER
V
SYSTEMLOAD
, V
PDS
V
PDS
V
PDL
, V
BATT
V
PDL
SYSTEM LOAD
V
PDL
V
PDS
PDS-PDL SWITCHOVER,
WALL ADAPTER REMOVAL
MAX1909 toc15
500
μ
s/div
10V
20V
0V
10V
20V
10V
20V
0V
V
WALLADAPTER
V
SYSTEMLOAD
V
SYSTEMLOAD
V
PDS
V
PDL
V
BATT
V
PDL
PDS-PDL SWITCHOVER,
BATTERY INSERTION
MAX1909 toc16
50
μ
s/div
10V
15V
0V
5V
10V
15V
20V
5V
0V
V
SYSTEM
V
PDS
V
PDL
V
BATT
V
PKDET
CONDITIONING MODE
WALL ADAPTER = 18V
V
PKPRES
PDL-PDS SWITCHING,
BATTERY REMOVAL
MAX1909 toc17
10
μ
s/div
10V
15V
0V
5V
10V
15V
20V
5V
0V
V
SYSTEM
V
PDS
V
PDL
V
BATT
CONDITIONING MODE
WALL ADAPTER = 18V
V
PKPRES
-8
-4
-6
2
0
-2
6
4
8
1.5
3.0 3.5
INPUT CURRENT (A)
2.0 2.5
4.0 4.5 5.0 5.5 6.0
IINP ACCURACY vs. INPUT CURRENT
M
I
-2
0
-1
2
1
3
4
0.5
1.5
1.0
2.0
2.5
3.0
INPUT CURRENT-LIMIT ACCURACY
vs. SYSTEM LOAD
M
SYSTEM LOAD (A)
I
V
BATT
= 10V
V
BATT
= 13V
V
BATT
= 12V
V
BATT
= 16V
I
CHARGE
= 3A
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