参数资料
型号: MAX8903YETI+T
厂商: Maxim Integrated Products
文件页数: 10/30页
文件大小: 0K
描述: IC DC/DC CHARGER LI+ 2A 28-TQFN
产品培训模块: Obsolescence Mitigation Program
标准包装: 2,500
系列: Smart Power Selector™
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: 4.1 V ~ 16 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 带卷 (TR)
MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
DC CONNECT WITH NO USB
(R SYS = 25 ? )
MAX8903A toc22
DC DISCONNECT WITH NO USB
(R SYS = 25 ? )
MAX8903A toc23
V SYS
V BAT
3.6V
3.6V
3.44V
3.84V
2V/div
5V/div
V SYS
V BAT
3.68V
3.6V
3.6V
2V/div
5V/div
I DC
0A
C DC
CHARGING
C SYS
CHARGING 850mA
1A/div
I DC
850mA
0A
1A/div
I BAT
144mA BATTERY
-I BAT = CHARGING
I BAT
-1A
144mA
1A/div
CHARGER
SOFT-START
-1A
1A/div
-I BAT = CHARGING
400 μ s/div
MAX8903A/C/D/H SYS LOAD TRANSIENT
MAX8903A toc24a
4.400V
40 μ s/div
MAX8903B/E SYS LOAD TRANSIENT
MAX8903A toc24b
MAX8903B
V DC = 10.5V
L = 2.2μH
V SYS
MAX8903A
V DC = 10.5V
L = 2.2μH
C SYS = 10μF
R IDC = 3k I (2A)
4.360V
1A
20mV/div
AC-COUPLED
V SYS
4.325V
C SYS = 22μF
R IDC = 3k I (2A)
DC M = HIGH
CEN = 1 4.305V
1A
20mV/div
DC M = HIGH
I SYS
CEN = 1
0A
500mA/div
0A
I SYS
0A
500mA/div
0A
100μs/div
100μs/div
USB CONNECT WITH NO DC
MAX8903G SYS LOAD TRANSIENT
MAX8903A toc24c
(R SYS = 25 ? )
MAX8903A toc25
V SYS
4.305V
4.325V
50mV/div
V SYS
V USB
3.6V
3.5V
3.75V
5V
2V/div
5V/div
1A
V DC = 9V
L = 2.2μH
C SYS = 22μF
R IDC = 3k I (2A)
DC M = 1
I USB
C USB
CHARGING
4 75m     A
500mA/div
I SYS
CEN = 1
0A
500mA/div
I BAT
144mA
BATTERY
500mA/div
0A
CHARGER
SOFT-START
-330mA
10
100μs/div
400 μ s/div
Maxim Integrated
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