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DE2810C PDF预览

DE2810C

更新时间: 2024-01-12 16:57:18
品牌 Logo 应用领域
美信 - MAXIM 集成电源管理电路手持设备
页数 文件大小 规格书
44页 829K
描述
PMIC with Integrated Charger and Smart Power Selector for Handheld Devices

DE2810C 数据手册

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PMIC with Integrated Charger and  
Smart Power Selector for Handheld Devices  
MA8671X  
ELECTRICAL CHARACTERISTICS (continued)  
(DC, USB, BVSET, UOK, DOK, LX_ unconnected; V  
= V /2, V  
= V  
= 0V, V  
= 4V, CEN = low, USUS = low, EN = high,  
BAT  
THM  
L
PG_  
AGND  
V
R
= V  
= 3.3V, V  
VL  
= 0V, C  
CT  
= 1µF, C  
BP  
= 1µF, C  
= 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, R  
= 3kΩ,  
PEN1  
CISET  
PEN2  
PWM  
OUT4  
OUT5  
SYS  
DISET  
= 3kΩ, C = 0.1µF, C = 0.15µF, C = 0.01µF, V  
= 1.1V, V  
= 1.1V, V  
= 1.1V, T = -40°C to +85°C, unless other-  
FB3 A  
FB1  
FB2  
wise noted.) (Note 2)  
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
1.0  
35  
MAX  
UNITS  
ms  
Starting DC when no USB present  
Starting DC with USB present  
DC-to-SYS Soft-Start Time  
t
SS-D-S  
µs  
Die temperature at which current limit is  
reduced  
DC Thermal-Limit Temperature  
DC Thermal-Limit Gain  
+100  
5
°C  
Amount of input current reduction above  
thermal-limit temperature  
%/°C  
USB POWER INPUT (V  
= 5.0V, EN = low)  
USB  
Operating voltage  
Withstand voltage  
4.1  
0
6.6  
14  
USB Voltage Range  
V
V
V
USB  
V
= 6V, USUS = low, CEN = high,  
USB  
SYS Regulation Voltage  
V
system current is less than the input current  
limit  
5.2  
5.3  
5.4  
SYS_REG  
USB Undervoltage Threshold  
USB Overvoltage Threshold  
V
V
V
rising, 500mV hysteresis  
rising, 400mV hysteresis  
3.95  
6.8  
4.0  
6.9  
4.05  
7.0  
V
V
USBL  
USB  
USB  
V
USBH  
PEN2 = low,  
USUS = low  
V
= 6V, V  
= 5V, DC  
SYS  
USB  
90  
95  
100  
500  
unconnected, CEN = low,  
USB Current Limit  
I
mA  
USBLIM  
T
A
= +25°C,  
= 0A (Note 3)  
PEN2 = high,  
USUS = low  
450  
475  
0.11  
1.1  
I
VL  
USUS = high  
USUS = low, CEN = low;  
2.0  
1.3  
30  
I
= 0mA, I  
= 0mA, VL no load  
BAT  
USB Quiescent Current  
I
SYS  
mA  
USBIQ  
USUS = low, CEN = high;  
= 0mA, VL no load  
0.7  
15  
15  
I
SYS  
Minimum USB-to-BAT Voltage  
Headroom  
V
falling, 200mV hysteresis  
falling, 200mV hysteresis  
0
0
mV  
mV  
USB  
Minimum USB-to-SYS Voltage  
Headroom  
V
V
30  
USB  
USB  
USB-to-SYS Dropout Resistance  
USB-to-SYS Soft-Start Time  
R
US  
= 5V, I  
= 400mA, USUS = low  
0.325  
1.0  
0.600  
Ω
SYS  
t
ms  
SS-U-S  
Die temperature at which current limit is  
reduced  
USB Thermal-Limit Temperature  
USB Thermal-Limit Gain  
100  
5
°C  
Amount of input current reduction above  
thermal-limit temperature  
%/°C  
SYSTEM (V  
= 5.0V, EN = low)  
DC  
System Operating Voltage Range  
System Undervoltage Threshold  
V
2.6  
5.5  
V
V
SYS  
V
SYS falling, 100mV hysteresis  
2.45  
2.50  
2.55  
UVLO_SYS  
_______________________________________________________________________________________  
5

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