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| 型号： | MAX8671XETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/44页 |
| 文件大小： | 0K |
| 描述： | IC PMIC W/CHARGER 40-TQFN-EP |
| 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： | 4.1 V ~ 6.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
ELECTRICAL CHARACTERISTICS (continued)
(DC, USB, BVSET, UOK , DOK , LX_ unconnected; V THM = V L /2, V PG_ = V AGND = 0V, V BAT = 4V, CEN = low, USUS = low, EN = high,
V PEN1 = V PEN2 = 3.3V, V PWM = 0V, C OUT4 = 1μF, C OUT5 = 1μF, C SYS = 10μF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, R DISET = 3k Ω ,
R CISET = 3k Ω , C VL = 0.1μF, C CT = 0.15μF, C BP = 0.01μF, V FB1 = 1.1V, V FB2 = 1.1V, V FB3 = 1.1V, T A = -40°C to +85°C, unless other-
wise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Skip Mode Transition Current
n-Channel Zero-Crossing
Threshold
Maximum Duty Cycle
Minimum Duty Cycle
(Note 10)
PWM mode
60
10
100
12.5
mA
mA
%
%
Internal Oscillator Frequency
1.8
2.0
2.2
MHz
Internal Discharge Resistance in
Shutdown
EN = low, resistance from LX1 to PG1
0.5
1.0
2.0
k Ω
REG2—SYNCHRONOUS STEP-DOWN CONVERTER
Input Voltage
Maximum Output Current
PV2 supplied from SYS
L = 4.7μH, R L = 0.13 Ω (Note 7)
425
V SYS
V
mA
FB2 Voltage
Adjustable Output Voltage Range
(Note 8)
0.997
1
1.012
1.028
V SYS
V
V
FB2 Leakage Current
V FB2 = 1.012V
T A = +25°C
T A = +85°C
-50
-5
-50
+50
nA
Load Regulation
Line Regulation
PWM mode
PWM mode (Note 9)
4.4
1
%/A
%/D
p-Channel On-Resistance
n-Channel On-Resistance
p-Channel Current-Limit
Threshold
Skip Mode Transition Current
n-Channel Zero-Crossing
Threshold
Maximum Duty Cycle
Minimum Duty Cycle
Internal Oscillator Frequency
V PV2 = 4V, I LX2 = 180mA
V PV2 = 4V, I LX2 = 180mA
(Note 10)
PWM mode
0.555
1.8
200
150
0.615
60
10
100
12.5
2.0
400
265
0.675
2.2
m Ω
m Ω
A
mA
mA
%
%
MHz
Internal Discharge Resistance in
Shutdown
EN = low, resistance from LX2 to PG2
0.5
1.0
2.0
k Ω
REG3—SYNCHRONOUS STEP-DOWN CONVERTER
Input Voltage
Maximum Output Current
PV3 supplied from SYS
L = 4.7μH, R L = 0.13 Ω (Note 7)
425
V SYS
V
mA
FB3 Voltage
Adjustable Output Voltage Range
(Note 8)
0.997
1
1.012
1.028
V SYS
V
V
FB3 Leakage Current
V FB2 = 1.012V
T A = +25°C
T A = +85°C
-50
-5
-50
+50
nA
Load Regulation
PWM mode
4.4
%/A
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