MAX8862 Просмотр технического описания (PDF) - Maxim Integrated
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MAX8862 Datasheet PDF : 12 Pages
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Low-Cost, Low-Dropout, Dual Linear Regulator
__________________________________________Typical Operating Characteristics
(VIN1 = VIN2 = 5.3V, CIN1 = CIN2 = 1µF, COUT1 = 3.3µF, COUT2 = 2.2µF, SHDN1 = IN1, SHDN2 = IN2. TA = +25°C, unless
otherwise noted.)
QUIESCENT CURRENT
vs. TEMPERATURE
260
QUIESCENT CURRENT
vs. LOAD CURRENT
120
SHUTDOWN CURRENT
vs. TEMPERATURE
120
240
VIN1 = VIN2 = 12V
220
200
180
VIN1 = VIN2 = 7V
160
140
120
100
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
110
IQ2
100
IQ1
90
80
0.001 0.01 0.1 1 10 100 1000
LOAD CURRENT (mA)
100
80
VIN1 = VIN2 = 12V
60
40
20
0
-40 -20
VIN1 = VIN2 = 7V
0 20 40 60 80 100
TEMPERATURE (°C)
OUTPUT VOLTAGE
vs. TEMPERATURE
3.27
3.26
3.25
OUT1
3.24
OUT2
3.23
3.22
3.21
OUTPUT VOLTAGE
vs. LOAD CURRENT
101
100
VOUT1
99
VOUT2
98
97
96
MAX8862T
OUTPUT VOLTAGE & QUIESCENT CURRENT
vs. SUPPLY VOLTAGE
4
260
VOUT1/VOUT2
240
3
220
200
2
(IQ1 + IQ2)
180
160
1
140
120
3.20
-40 -20
0 20 40 60 80 100
TEMPERATURE (°C)
95
0.001 0.01 0.1 1 10 100 1000
LOAD CURRENT (mA)
0
100
2 3 4 5 6 7 8 9 10 11 12
SUPPLY VOLTAGE (V)
DROPOUT VOLTAGE
vs. LOAD CURRENT
600
OVERSHOOT AND TIME
EXITING SHUTDOWN MODE
MAX8862TOC14
525
450
OUT2
375
A
0V
1V/div
300
225
1V/div
OUT1
150
B
75
0V
0
0 40 80 120 160 200 240 280 320
20µs/div
LOAD CURRENT (mA)
VIN1 = 5.3V, IOUT1 = 5mA
A = SHDN1, 0.8V TO 2.4V, 1V/div
B = OUT1, 1V/div
_______________________________________________________________________________________ 5
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