參數(shù)資料
型號： MAX1776EUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： 24V, 600mA Internal Switch, 100% Duty Cycle, Step-Down Converter
中文描述： 2 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PDSO8
封裝： MSOP-8
文件頁數(shù)： 2/13頁
文件大?。?/td> 740K
代理商： MAX1776EUA
M
24V, 600mA Internal Switch, 100% Duty Cycle,
Step-Down Converter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
, ILIM, ILIM2 to GND .................................-0.3V to 25V
LX to GND.......................................................-2V to (V
IN
+ 0.3V)
OUT, FB to GND.........................................................-0.3V to 6V
Peak Input Current ..................................................................2A
Maximum DC Input Current..............................................500mA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
IN
= +12V,
SHDN
= IN,
T
A
= 0°C to +85°C
, unless otherwise noted.)
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.
Continuous Power Dissipation (T
A
= +70°C)
8-Pin μMAX (derate 4.1mW/°C above +70°C).............330mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
V
IN
I
IN
I
IN(DROP)
CONDITIONS
MIN
4.5
TYP
MAX
24
28
70
7
4.4
4.3
5.20
UNITS
V
μA
μA
μA
Input Voltage Range
Input Supply Current
Input Supply Current in Dropout
Input Shutdown Current
No load
No load
SHDN
= GND
V
IN
rising
V
IN
falling
FB = GND
15
50
3
4.0
3.9
5.00
3.6
3.5
4.80
Input Undervoltage Lockout
Threshold
V
UVLO
V
Output Voltage (Preset Mode)
Feedback Set Voltage
(Adjustable Mode)
OUT Bias Current
OUT Pin Maximum Voltage
FB Bias Current
FB Dual Mode
Threshold Low
LX Switch Minimum Off-Time
LX Switch Maximum On-Time
V
OUT
V
V
FB
1.212
1.25
1.288
V
V
OUT
= 5.5V
1.65
3.5
6.25
5.5
+25
150
0.62
12
3.2
1.6
0.8
0.8
3.8
1.9
0.95
0.95
180
360
720
1440
+75
μA
V
nA
mV
μs
μs
I
FB
V
FB
= 1.3V
-25
50
0.22
8
100
0.42
10
1.6
0.8
0.4
0.4
1.9
1.0
0.5
0.5
150
300
600
1200
t
OFF(MIN)
t
ON(MAX)
V
FB
= 1.3V
ILIM = ILIM2 = GND
ILIM = GND, ILIM2 = IN
ILIM = IN, ILIM2 = GND
ILIM = ILIM2 = IN
ILIM = ILIM2 = GND
ILIM = GND, ILIM2 = IN
ILIM = IN, ILIM2 = GND
ILIM = ILIM2 = IN
V
IN
= 6V
LX Switch On-Resistance
R
LX
V
IN
= 4.5V
ILIM = ILIM2 = GND
ILIM = GND, ILIM2 = IN
ILIM = IN, ILIM2 = GND
ILIM = ILIM2 = IN
120
240
480
960
-75
LX Current Limit
I
LX(PEAK)
mA
LX Zero-Crossing Threshold
Zero-Crossing Timeout
mV
μs
LX does not rise above the threshold
30
T
A
= +25
°
C
T
A
= 0
°
C to +85
°
C
1
10
LX Switch Leakage Current
V
IN
= 24V,
LX = GND
μA
Dual Mode is a trademark of Maxim Integrated Products, Inc.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1776EUA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 24V 600mA 100% Duty Cycle Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1776EUA+ 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW))
MAX1776EUA+ 制造商:Maxim Integrated Products 功能描述:CONVERTER STEP DOWN 24V 0.6A SMD 制造商:Maxim Integrated Products 功能描述:CONVERTER, STEP DOWN, 24V 0.6A, SMD
MAX1776EUA+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 24V 600mA 100% Duty Cycle Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1776EUA-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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