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| 型号： | MAX8662ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/34页 |
| 文件大小： | 0K |
| 描述： | IC PMIC LI+ SNGL CELL 48TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 手持/移动设备 |
| 电流 - 电源： | 900µA |
| 电源电压： | 4.1 V ~ 8 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
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Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
ELECTRICAL CHARACTERISTICS (Output Regulator) (continued)
(V SYS_ = V PV_ = V IN45 = V IN67 = 4.0V, V BRT = 1.25V, circuit of Figure 1, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
OVP Leakage Current
nMOS On-Resistance
nMOS Off-Leakage Current
nMOS Current Limit
SYMBOL
CONDITIONS
T A = +25°C
V EN3 = 0V,
V OVP = V SYS = 5.5V
T A = +85°C
I LX3 = 100mA
T A = +25°C
V LX3 = 30V
T A = +85°C
MIN
500
TYP
0.01
0.1
0.6
0.01
0.1
620
MAX
1
1.2
5.00
900
UNITS
μA
?
μA
mA
LED DRIVER
BRT Input Range
V BRT
I CS = 0 to 30mA
0
1.5
V
REF Voltage
V REF
I REF = 0mA
1.45
1.50
1.55
V
BRT Input Current
CS Sink Current
V BRT = 0 to 1.5V
V CS = 0.2V
T A = +25°C
T A = +85°C
V BRT = 1.5V
V BRT = 50mV
-1
28
0.4
-0.01
0.1
30
0.8
+1
32
1.2
μA
mA
CS Current-Source
Line Regulation
V SYS = 2.7V to 5.5V
0.1
%/V
PWM DIMMING
EN3 DC Turn-On Delay
EN3 Shutdown Delay
From V EN3 = high to LED on
From V EN3 = low to LED off
1.5
1.5
2.0
2.0
2.5
2.5
ms
ms
PWM Dimming Capture
Period
Time between rising edges
on EN3 for PWM dimming to
become active
Maximum
Minimum
1.5
2.0
8
10
ms
μs
PWM Dimming Pulse-Width
Resolution
Resolution of high or low-pulse width on EN3 for
dimming change
0.5
μs
LINEAR REGULATORS
IN45, IN67 Operating Range
V IN45
1.7
5.5
V
IN45, IN67 Undervoltage
Threshold
V UVLO-IN45
V IN45 rising, 100mV hysteresis
1.5
1.6
1.7
V
Output Noise
PSRR
f = 100Hz to 100kHz
f = 100kHz
200
30
μV RMS
dB
Shutdown Supply Current
Soft-Start Ramp Time
V EN4 = V EN5 = 0V, T A = +25°C
V OUT4 to 90% of final value
0.001
34
1
μA
V/ms
Output Discharge
Resistance in Shutdown
V EN4 = 0V
0.5
1.0
2.0
k ?
LINEAR REGULATOR 4 (LDO4)
Supply Current
At IN45, V EN5 = 0V
I OUT4 = 0A
20
30
μA
Voltage Accuracy
I OUT4 = 0 to 500mA,
V IN45 = V OUT4 + 0.3V to 5.5V with 1.7V (min)
-1.5
+1.5
%
Minimum Output Capacitor
C OUT4
Guaranteed stability, ESR < 0.05 ?
3.76
μF
Dropout Resistance
IN45 to OUT4
0.2
0.4
?
Current Limit
V OUT4 = 0V
500
700
mA
6
_______________________________________________________________________________________
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