參數(shù)資料
型號: MAX5025
廠商: Maxim Integrated Products, Inc.
元件分類: DC/DC變換器
英文描述: 500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters
中文描述: 500kHz、36V輸出、SOT23封裝、PWM升壓型DC-DC轉(zhuǎn)換器
文件頁數(shù): 6/13頁
文件大?。?/td> 258K
代理商: MAX5025
M
500kHz, 36V Output, SOT23, PWM Step-Up
DC-DC Converters
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CC
= 5V, V
OUT
= 30V, T
A
= +25
°
C, unless otherwise noted.)
MAX5025-28 toc17
LX PIN
20V/div
V
1mV/div
AC-COUPLED
I
L
200mA/div
0V
0mA
1
μ
s/div
MAX5026, V
= 5V, V
OUT
= 30V, I
LOAD
= 4mA.
CIRCUIT OF FIGURE 3
HEAVY-LOAD SWITCHING WAVEFORM
WITH RC FILTER
LOAD TRANSIENT RESPONSE
OUTPUT
VOLTAGE
200mV/div
AC-COUPLED
LOAD
CURRENT
10mA/div
0mV
0mA
1ms/div
MAX5026, V
= 5V, V
OUT
= 30V, I
LOAD
= 0 TO 4mA.
CIRCUIT OF FIGURE 2
LINE TRANSIENT RESPONSE
OUTPUT
VOLTAGE
1mV/div
AC-COUPLED
INPUT
VOLTAGE
100mV/div
AC-COUPLED
0mV
0mV
2ms/div
MAX5026, V
= 5V TO 5.2V, V
OUT
= 30V, I
LOAD
= 1mA.
CIRCUIT OF FIGURE 2
M
1.230
1.235
1.245
1.240
1.260
1.265
1.255
1.250
1.270
F
-40
0
TEMPERATURE (
°
C)
20
-20
40
60
80
MAX5026
FB PIN VOLTAGE vs. TEMPERATURE
V
CC
= 11V
V
CC
= 5V
V
CC
= 3V
29.0
29.4
29.2
29.8
29.6
30.2
30.0
30.4
-40
0
TEMPERATURE (
°
C)
20
-20
40
60
80
M
F
MAX5028
FB PIN VOLTAGE vs. TEMPERATURE
V
CC
= 11V
V
CC
= 5V
V
CC
= 3V
MAX5025-28 toc16
LX PIN
20V/div
V
OUT
5mV/div
AC-COUPLED
I
L
200mA/div
0V
0mA
1
μ
s/div
MAX5026, V
CC
= 5V, V
OUT
= 30V, I
LOAD
= 4mA.
CIRCUIT OF FIGURE 2
HEAVY-LOAD SWITCHING WAVEFORM
WITHOUT RC FILTER
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