MAX886ECJ Просмотр технического описания (PDF) - Maxim Integrated
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MAX886ECJ Datasheet PDF : 20 Pages
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Wireless and Satellite Handset
Power-Management ICs
ELECTRICAL CHARACTERISTICS (continued)
(VBATT = VIN0 = VIN1 = +5.5V, GND = PGND = DGND, V OFF = VSYNC = 2.8V, VIN2 = VIN3 = VIN4 = VIN5 = +3.8V, VOUT4 = +5.5V,
TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
0
Nominal Output Voltage
VOUT3
VIN3 = 5.5V,
Table 5
2.85
V
4.65
VOUT2
Dropout Voltage
IOUT3 = 1mA
IOUT3 = 20mA
1
mV
20
50
Output Load Regulation
IOUT3 = 0.1mA to 20mA
-0.035
0.02 %/mA
Line Regulation
3.8V < VIN3 < 5.5V, VOUT3 = 2.85V
-0.3
0.3
%/V
Current Limit
CHARGE-PUMP REGULATOR 4 (IN4, OUT4)
VOUT3 = 2.85V or 4.65V only
20
50
mA
Switching Frequency
Output Voltage
VOUT4
No load
IOUT4 = 50mA
fOSC / 2
kHz
5.10 5.25 5.41
V
5.21
LDO REGULATOR 5 (IN5, OUT5)
Input Voltage Range
VIN5
2.7
5.5
V
Output Accuracy
Nominal Output Adjustment
Range
VOUT5
IOUT5 = 0.1mA to 100mA
MAX886
MAX888, MAX1863
-3
2.175
1.25
3
%
3.300
V
3.50
Dropout Voltage
IOUT5 = 1mA
IOUT5 = 100mA
1
mV
72
200
Output Load Regulation
IOUT5 = 0.1mA to 100mA
-0.01
0.01 %/mA
Line Regulation
Current Limit
2.7V < VIN5 < 3.8V, 0h code
-0.3
0.3
%/V
100 250
mA
LOW-BATTERY COMPARATOR
LBI Input Current
VLBI = 1.23V
-0.2
0.2
µA
LBI Threshold
VREF -
15mV
VREF
VREF +
15mV
V
LBI Propagation Delay
LBO/LBHYS Output Low Voltage
VLBI = step from 1.23V to 1.27V
V LBO = ILBHYS = 1mA,
VLBI = VREF - 15mV
10
µs
0.5
V
LBO/LBHYS Leakage Current
RESET AND STARTUP TIMER
Reset Timeout Period
Startup Timeout Period
LOGIC AND CONTROL INPUTS
ON Input Voltage
V LBO = VLBHYS = 12V,
VLBI = VREF + 15mV
VIL
VIH
-0.2
0.2
µA
56
75
94
ms
28
37
47
ms
0.4
V
1.2
4 _______________________________________________________________________________________
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