參數(shù)資料
型號: MAX745
廠商: Maxim Integrated Products, Inc.
英文描述: 8-Bit Parallel-Out Serial Shift Registers 14-CFP -55 to 125
中文描述: 開關(guān)模式鋰離子電池充電器
文件頁數(shù): 4/8頁
文件大?。?/td> 91K
代理商: MAX745
M
S witc h-Mode Lithium-Ion
Battery Charger
4
_______________________________________________________________________________________
4.5
0
0
0.1 0.2
0.4
1.0
BATTERY VOLTAGE
vs. CHARGING CURRENT
1.0
4.0
M
CHARGING CURRENT (A)
B
0.3
0.5 0.6 0.7 0.8 0.9
3.0
2.0
0.5
3.5
2.5
1.5
R1 = 0.2
R16 = SHORT
R12 = OPEN CIRCUIT
200
0
0
0.5
1.5
SETI VOLTAGE (V)
4.0
CURRENT-SENSE VOLTAGE
vs. SETI VOLTAGE
40
160
M
C
1.0
2.0
2.5
3.0
3.5
120
80
180
20
140
100
60
R1 = 0.2
4.45
3.95
0
0.5 1.0
2.0
4.5
VOLTAGE LIMIT
vs. VADJ VOLTAGE
4.05
4.35
M
VADJ VOLTAGE (V)
P
1.5
2.5 3.0 3.5 4.0
4.25
4.15
4.40
4.00
4.30
4.20
4.10
4.205
4.195
0
25
50
REFERENCE VOLTAGE
vs. TEMPERATURE
4.197
4.203
M
TEMPERATURE (°C)
R
75
100
4.201
4.199
4.204
4.196
4.202
4.200
4.198
__________________________________________Typic al Operating Charac teristic s
(T
A
= +25°C, V
DCIN
= 18V, V
BATT
= 4.2V, CELL0 = CELL1 = GND, C
VL
= 4.7
μ
F, C
REF
= 0.1
μ
F. Circuit of Figure 1, unless
otherwise noted.)
5.50
0
0
5
10
25
VL LOAD REGULATION
5.10
5.40
M
VL OUTPUT CURRENT (mA)
V
15
20
5.30
5.20
5.45
5.05
5.35
5.25
5.15
4.25
4.15
0
500
1000
3000
REFERENCE LOAD REGULATION
4.17
4.23
M
REFERENCE CURRENT (
μ
A)
R
1500
2000
2500
4.21
4.19
4.24
4.16
4.22
4.20
4.18
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