MAX8860 Просмотр технического описания (PDF) - Maxim Integrated
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MAX8860 Datasheet PDF : 8 Pages
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Low-Dropout, 300mA
Linear Regulator in µMAX
Typical Operating Characteristics (continued)
(VIN = VOUT + 0.5V, CIN = COUT = 2.2µF, CCC = 33nF, TA = +25°C, unless otherwise noted.)
NO LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
200
180
160
TA = +25°C
140
TA = +85°C
120
100
TA = -40°C
80
60
40
20
0
0 1234 56
INPUT VOLTAGE (V)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
-10
-20
-30
-40
-50
-60
-70
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
DROPOUT VOLTAGE vs. LOAD CURRENT
180
160
140
TA = +25°C
120
100
TA = +85°C
80
TA = -40°C
60
40
20
0
0 50 100 150 200 250 300
LOAD CURRENT (mA)
OUTPUT NOISE SPECTRAL DENSITY
10
ILOAD = 10mA
FAULT DETECT THRESHOLD
vs. LOAD CURRENT
250
200
FAULT = HIGH
150
100
50
FAULT = LOW
0
0 50 100 150 200 250 300
LOAD CURRENT (mA)
OUTPUT NOISE
(10Hz TO 1MHz)
1.0
COUT = 2.2µF
VOUT
500µV/div
0.1
COUT = 10µF
ILOAD = 200mA
0.01
0.1
1
10
100
1000
FREQUENCY (kHz)
1ms/div
200mA
ILOAD
0
LOAD-TRANSIENT RESPONSE
VOUT
20mV/div
VIN = VOUT + 200mV
400µs/div
LINE-TRANSIENT RESPONSE
+4.3V
VIN
+3.3V
VOUT
2mV/div
ILOAD = 200mA
500µs/div
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