MAX1586C データシートの表示（PDF） - Maxim Integrated
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MAX1586C Datasheet PDF : 30 Pages
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High-Efficiency, Low-IQ PMICs with
Dynamic Core for PDAs and Smart Phones
Typical Operating Characteristics (continued)
(Circuit of Figure 6, VIN = 3.6V, TA = +25°C, unless otherwise noted.)
DROPOUT VOLTAGE
vs. LOAD CURRENT
300
250
200
150
100
REG1 3.3V OUTPUT
50
0
0 200 400 600 800 1000 1200
LOAD CURRENT (mA)
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
1040
TA = +85°C
1000
960
TA = +25°C
TA = -40°C
920
880
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
REG1 SWITCHING WAVEFORMS
WITH 800mA LOAD
MAX1586A/86B/87A toc12
V1
10mv/div
AC-COUPLED
VLX1
2V/div
0
IL1
500mA/div
0
400ns/div
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT
200
150
100
REG1 3.3V OUTPUT
50
REG2 2.5V OUTPUT
REG3 1.3V OUTPUT
0
-50
VIN = 3.6V
-100
0 200 400 600 800 1000 1200
LOAD CURRENT (mA)
REFERENCE VOLTAGE
vs. TEMPERATURE
1.265
1.260
1.255
1.250
1.245
1.240
1.235
1.230
1.225
-40 -15 10
35
60
85
TEMPERATURE (°C)
REG1 SWITCHING WAVEFORMS
WITH 10mA LOAD
MAX1586A/86B/87A toc13
50mv/div
V1
AC-COUPLED
VLX1
2V/div
0
500mA/div
IL1
0
20μs/div
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