参数资料
型号: MAX745EAP+T
厂商: Maxim Integrated Products
文件页数: 4/8页
文件大小: 0K
描述: IC BATTERY CHARGER LI+ 20-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 6 V ~ 24 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
Switch-Mode Lithium-Ion
Battery Charger
__________________________________________Typical Operating Characteristics
(T A = +25°C, V DCIN = 18V, V BATT = 4.2V, CELL0 = CELL1 = GND, C VL = 4.7μF C REF = 0.1μF. Circuit of Figure 1, unless otherwise
noted.)
4.5
BATTERY VOLTAGE
vs. CHARGING CURRENT
200
CURRENT-SENSE VOLTAGE
vs. SETI VOLTAGE
4.0
3.5
3.0
2.5
2.0
1.5
180
160
140
120
100
80
60
R1 = 0.2 ?
1.0
0.5
0
R1 = 0.2 ?
R16 = SHORT
R12 = OPEN CIRCUIT
40
20
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.205
4.204
4.203
4.202
4.201
4.200
4.199
4.198
4.197
4.196
4.195
CHARGING CURRENT (A)
REFERENCE VOLTAGE
vs. TEMPERATURE
4.45
4.40
4.35
4.30
4.25
4.20
4.15
4.10
4.05
4.00
3.95
SETI VOLTAGE (V)
VOLTAGE LIMIT
vs. VADJ VOLTAGE
0
25
50
75
100
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
5.50
5.45
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
0
TEMPERATURE ( ° C)
VL LOAD REGULATION
4.25
4.24
4.23
4.22
4.21
4.20
4.19
4.18
4.17
4.16
4.15
VADJ VOLTAGE (V)
REFERENCE LOAD REGULATION
0
5
10
15
20
25
0
500
1000
1500
2000
2500
3000
VL OUTPUT CURRENT (mA)
REFERENCE CURRENT ( μ A)
4
_______________________________________________________________________________________
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