MAX5025 데이터 시트보기 (PDF) - Maxim Integrated
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MAX5025 Datasheet PDF : 13 Pages
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500kHz, 36V Output, SOT23,
Step-Up DC-DC Converters
Typical Operating Characteristics (continued)
(VCC = 5V, VOUT = 30V, TA = +25°C, unless otherwise noted.)
HEAVY-LOAD SWITCHING WAVEFORM
WITHOUT RC FILTER
MAX5025-28 toc16
VOUT
5mV/div
AC-COUPLED
HEAVY-LOAD SWITCHING WAVEFORM
WITH RC FILTER
MAX5025-28 toc17
VOUT
1mV/div
AC-COUPLED
LX PIN
20V/div
LX PIN
20V/div
0V
0V
IL
0mA
200mA/div
1μs/div
MAX5026, VCC = 5V, VOUT = 30V, ILOAD = 4mA.
CIRCUIT OF FIGURE 2
IL
0mA
200mA/div
1μs/div
MAX5026, VCC = 5V, VOUT = 30V, ILOAD = 4mA.
CIRCUIT OF FIGURE 3
OUTPUT
VOLTAGE
200mV/div
AC-COUPLED
LOAD TRANSIENT RESPONSE
MAX5025-28 toc18
0mV
LOAD
CURRENT
0mA
10mA/div
OUTPUT
VOLTAGE
1mV/div
AC-COUPLED
INPUT
VOLTAGE
100mV/div
AC-COUPLED
LINE TRANSIENT RESPONSE
MAX5025-28 toc19
0mV
0mV
1ms/div
MAX5026, VCC = 5V, VOUT = 30V, ILOAD = 0 TO 4mA.
CIRCUIT OF FIGURE 2
2ms/div
MAX5026, VCC = 5V TO 5.2V, VOUT = 30V, ILOAD = 1mA.
CIRCUIT OF FIGURE 2
MAX5026
FB PIN VOLTAGE vs. TEMPERATURE
1.270
1.265
1.260
1.255
VCC = 11V
VCC = 5V
1.250
1.245
1.240
VCC = 3V
1.235
1.230
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
MAX5028
FB PIN VOLTAGE vs. TEMPERATURE
30.4
30.2
30.0
VCC = 11V
29.8
VCC = 5V
29.6
29.4
VCC = 3V
29.2
29.0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
6 _______________________________________________________________________________________
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