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参数资料
| 型号： | MAX8856ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER LI+ 1CELL 14TDFN |
| 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： | 0 V ~ 14 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
USB/AC Adapter, Li+ Linear Battery Charger
with Integrated 50m Ω Battery Switch in TDFN
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 5.0V, V BAT = 3.3V, EN1 = EN2 = GND, R SETI = 23.58k Ω , C VL = 0.1μF, C SYS = 4.7μF, T A = -40°C to +85°C, unless otherwise
noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
BAT Prequal Current
V BAT = 2.0V
CONDITIONS
EN1 = low, EN2 = low, I SYS = 0mA
EN1 = low, EN2 = high, I SYS = 0 to
350mA
MIN
87
TYP
95
95
MAX
100
UNITS
mA
EN1 = high, EN2 = low, I SYS = 0 to
575mA
95
Soft-Start Time
1.5
ms
BAT Prequal Threshold
BAT Dropout Voltage (V IN - V BAT )
BAT Short-Circuit Current Limit
BAT to SYS Switch R ON
BAT to SYS Switch Threshold
Battery-Removal Threshold
V BAT rising, 150mV hysteresis (typ)
V BAT = 4.1V, I BAT = 400mA
BAT = GND
V BAT = 3.5V, V SYS = 3.4V, V IN = 0V
BAT rising, 160mV hysteresis (typ)
BAT rising, 210mV hysteresis (typ)
T A = +25°C
V IN = 0V
T A = +85°C
2.9
70
3.4
4.5
3.0
200
95
50
3.5
4.75
0.1
0.1
3.1
400
120
100
3.6
5.0
10
V
mV
mA
m Ω
V
V
BAT Leakage Current
V IN = 2.4V
EN1 = high, EN2 = high
T A = +25°C
T A = +85°C
T A = +25°C
T A = +85°C
-10
0.1
0.1
0.1
0.1
10
+10
μA
V L
V L Output Voltage
V L Shutdown Voltage
I VL = 0 to 500μA
V EN1 = V EN2 = 5V
3.1
3.3
0
3.5
V
V
THM
THM Threshold, Hot
THM Threshold, Cold
THM Threshold, Disabled
10% hysteresis, V THM falling
10% hysteresis, V THM rising
70% hysteresis, V THM falling
Expressed as
percentage of V L
21.5
53.0
2.5
22.5
54.0
3.0
23.5
55.5
3.5
%
SETI
EN1 = low, EN2 = low
0.28
SETI Servo Voltage
EN1 = low, EN2 = high
EN1 = high, EN2 = low
1.4
2.1
V
SETI Resistance Range
17.68
23.58
35.36
k Ω
POK
POK Trip Threshold (V IN - V BAT )
POK Voltage, Low
POK Leakage Current, High
4.1V < V IN < 5.6V,
V BAT = 4.1V
I POK = 5mA
V POK = 6V
V IN rising
V IN falling
T A = +25°C
T A = +85°C
150
5
250
55
0.05
0.01
0.01
350
125
0.2
1
mV
V
μA
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