参数资料
型号: MAX8900DEWV+T
厂商: Maxim Integrated Products
文件页数: 9/35页
文件大小: 0K
描述: IC LI BATTERY CHARGER 1.2A WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 3.4 V ~ 6.3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 30-WFBGA,WLBGA
供应商设备封装: 30-WLP
包装: 带卷 (TR)
MAX8900A/MAX8900B/MAX8900C
1.2A Switch-Mode Li+ Chargers with ±22V Input
Rating and JEITA Battery Temperature Monitoring
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 6V, V BAT = 3.6V, T A = +25 N C, unless otherwise noted.)
5.0
4.5
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
6
SWITCHING FREQUENCY
vs. CHARGE CURRENT
4.0
3.5
3.0
2.5
V BAT = 4V
V BAT = 3V
5
4
3
2.0
1.5
1.0
0.5
0
MAX8900x
V IN RISING
V OVLO = 28V
V CEN = 0V
R ISET = 2.87k I
2
1
0
V IN = 5V, V BAT = 3V
V IN = 6V, V BAT = 4V
V IN = 4.5V, V BAT = 4V
4
8
12
16
20
24
28
0
0.2
0.4
0.6
0.8
1.0
1.2
INPUT VOLTAGE (V)
MAX8900B DC SWITCHING
WAVEFORMS (I BAT = 100mA)
MAX8900A toc12
CHARGE CURRENT (A)
MAX8900B DC SWITCHING
WAVEFORMS (I BAT = 440mA)
MAX8900A toc13
V OUT
V LX
I LX
20mV/div
5V/div
0V
200mA/div
0A
V OUT
V LX
I LX
20mV/div
5V/div
0V
500mA/div
0A
200ns/div
200ns/div
MAX8900B DC SWITCHING
WAVEFORMS (I BAT = 1.2A)
MAX8900A toc14
1.4
CHARGE CURRENT
vs. AMBIENT TEMPERATURE
V THM = V AVL /2
V OUT
20mV/div
1.2
R SETI = 2.87k I
1.0
V LX
5V/div
0.8
0V
0.6
R SETI = 6.81k I
I LX
500mA/div
0A
0.4
0.2
0
200ns/div
-40 -15 10
35
60
85 110 135 160 185
T A (°C)
Maxim Integrated
9
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