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参数资料
| 型号： | MAX1811ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER USB LI+ 8-SOIC |
| 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） |
| 电源电压： | 4.35 V ~ 6.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
MAX1811
USB-Powered Li+ Charger
ABSOLUTE MAXIMUM RATINGS
IN, BATT, SELI, CHG , EN to GND ..............................-0.3V to 7V
SELV to GND ...............................................-0.3V to (V IN + 0.3V)
Continuous Power Dissipation (T A = +70°C)
8-Pin SO (derate 17.5mW/°C above +70°C)....................1.4W
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Maximum Die Temperature..............................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Short-Circuit Duration.................................................Continuous
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = 4.5V, EN = IN, T A = 0°C to +85°C , unless otherwise noted.)
PARAMETER
Input Supply Voltage
Input Undervoltage Lockout
I IN rising
CONDITIONS
MIN
4.35
3.75
TYP
MAX
6.50
4.05
UNITS
V
V
Input Undervoltage Lockout Hysteresis
50
mV
Input Supply Current
Charging Headroom
Operating, EN = IN, no load
Shutdown, EN = GND
SELI = GND (100mA mode),
V IN = 4.35V
0.9
2.5
100
2.0
5.0
mA
μA
mV
SELI = IN (500mA mode)
200
Precondition Threshold
BATT rising, transition from precondition to
charge mode
2.3
2.5
2.7
V
Precondition Threshold Hysteresis
80
mV
CHG Output Leakage Current
CHG Output Low Voltage
Charging Current
V IN = V CHG = 6.5V
I SINK = 10mA
V SELI = V IN = 5.5V, V BATT = 2.7V
SELI = GND, V IN = 5.5V, V BATT = 2.7V
V BATT = 2V, SELI = GND or IN
20
0.1
455
85
43
1.0
0.4
500
100
70
μA
V
mA
BATT Regulation Voltage
BATT Leakage Current (Input
Power Removed)
BATT Shutdown Current
SELV = GND, I BATT = 0
SELV = IN, I BATT = 0
V BATT = 4.2V, EN = IN = GND
EN = GND, V BATT = 4.2V
4.08
4.18
4.10
4.20
1
0.1
4.12
4.22
5
2
V
μA
μA
Logic Input Low Voltage (EN, SELI, SELV)
Logic Input High Voltage (EN, SELI, SELV)
Logic Input Leakage Current (EN, SELI)
Logic Input Leakage Current (SELV)
Thermal Regulation
V IN = 4.35V to 6.5V
V IN = 4.35V to 6.5V
V IN = 0 to 6.5V; V SELI , V EN = 6.5V or GND
V IN = 0 to 6.5V, V SELV = V IN or GND
Die temperature beyond which charging
current is reduced
2.0
125
0.8
1
1
V
V
μA
μA
° C
2
Maxim Integrated
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