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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)： | 2/13頁 |
| 文件大小： | 258K |
| 代理商： | MAX5025 |
M
500kHz, 36V Output, SOT23, PWM Step-Up
DC-DC Converters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND............................................................-0.3V to +12V
PGND to GND .......................................................-0.1V to +0.1V
FB to GND (MAX5025/MAX5026)...............-0.3V to (V
CC
+ 0.3V)
FB to GND (MAX5027/MAX5028)...........................-0.3V to +40V
SHDN
to GND.............................................-0.3V to (V
CC
+ 0.3V)
LX to GND ..............................................................-0.3V to +45V
Peak LX Current................................................................600mA
ELECTRICAL CHARACTERISTICS
(V
CC
= 5V,
SHDN
= V
CC
, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Continuous Power Dissipation (T
A
= +70
°
C)
6-Pin SOT23 (derate 7.1mW/
°
C above +70
°
C)..........695.7mW
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +165
°
C
Lead Temperature (soldering 10s)..................................+300
°
C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY VOLTAGE
MAX5026/MAX5028
MAX5025/MAX5027
Rise/fall, hysteresis = 3mV
3.0
4.5
2.25
11
11
2.95
Input Voltage Range
V
CC
V
Undervoltage Lockout
V
UVLO
2.65
V
Supply Current
I
CC
MAX5025/MAX5026, FB = 1.4V
MAX5027/MAX5028, FB = 35V
350
1000
μA
Shutdown Current
BOOST CONVERTER
I
SHDN
SHDN
= GND
0.01
1
μA
MAX5025/MAX5027
MAX5026/MAX5028, V
CC
= 3.3V
345
410
500
500
1000
670
Switching Frequency
f
SW
kHz
MAX5025/MAX5027,
I
LOAD
= 2mA, V
CC
= 4.5V to 11V,
V
OUT
= 30V
0.25
Line Regulation
MAX5026/MAX5028,
I
LOAD
= 0.5mA, V
CC
= 3V to 11V,
V
OUT
= 30V
0.25
%/V
MAX5025/MAX5027,
V
CC
= 5V, I
LOAD
= 0 to 4mA,
V
OUT
= 30V
2.0
Load Regulation
MAX5026/MAX5028,
V
CC
= 3.3V, I
LOAD
= 0 to 1mA,
V
OUT
= 30V
1.0
%
Thermal Shutdown
Thermal Shutdown Hysteresis
140
2
°
C
°
C
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| MAX5025_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters |
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