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| 型号： | MAX8671XETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/44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
Line Regulation
PWM mode (Note 9)
1
%/D
p-Channel Current-Limit
Threshold
Skip Mode Transition Current
n-Channel Zero-Crossing
Threshold
p-Channel On-Resistance
n-Channel On-Resistance
Maximum Duty Cycle
Minimum Duty Cycle
Internal Oscillator Frequency
(Note 10)
V PV3 = 4V, I LX3 = 180mA
V PV3 = 4V, I LX3 = 180mA
PWM mode
0.555
1.8
0.615
60
10
230
120
100
12.5
2.0
0.675
460
210
2.2
A
mA
mA
m Ω
m Ω
%
%
MHz
Internal Discharge Resistance in
Shutdown
EN = low, resistance from LX3 to PG3
0.5
1.0
2.0
k Ω
REG4—LINEAR REGULATOR
PV4 Operating Range
V PV4
1.7
V SYS
V
PV4 Undervoltage Lockout
Threshold
FB4 Voltage
V PV4 rising, 100mV hysteresis
No load
1.55
0.582
1.60
0.600
1.65
0.618
V
V
FB4 Leakage Current
V FB4 = 0.6V
T A = +25°C
T A = +85°C
-50
-5
-5
+50
nA
Drop-Out Resistance
PV4 to OUT4, V PV4 = 3.3V
PV4 to OUT4, V PV4 = 2.0V
0.45
0.75
1.8
Ω
Current Limit
V FB4 = 0.54V
V FB4 = 0V
200
230
235
265
mA
10Hz to 100kHz;
Output Noise
C OUT4 = 3.3μF, I OUT4 = 10mA, V PV4 = 2V,
120
μV RMS
V OUT4 set for 1.8V
PSRR
f = 1kHz, I OUT4 = 10mA, V PV4 = 2V,
V OUT4 set for 1.8V
f = 10kHz, I OUT4 = 10mA, V PV4 = 2V,
V OUT4 set for 1.8V
67
50
dB
Internal Discharge Resistance in
Shutdown
EN = low, resistance from OUT4 to AGND
0.5
1.0
2.0
k Ω
10
______________________________________________________________________________________
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