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參數(shù)資料
| 型號(hào)： | MAX831CWE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.300 INCH, SOP-16 |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大?。?/td> | 43K |
| 代理商： | MAX831CWE |
5V/3.3V/3V/Adjustable-Output, 1A,
Step-Down, PWM, Switch-Mode DC-DC Regulators
2
_______________________________________________________________________________________
M
Input Voltage..................................................40V
Switch Voltage with Respect to Input Voltage................50V
Switch Voltage with Respect to GND
(V
negative) (Note 1).....................................20V
FB/SENSE Voltage ...................................-0.3V, +10V
SHUT Voltage (not to exceed V
IN
)............................30V
I
Voltage (forced)..........................................5.5V
Operating Temperature Range.....................0°C to +70°C
J unction Temperature Range .....................0°C to +125°C
Storage Temperature Range ...................-65°C to +160°C
Lead Temperature (soldering, 10sec)....................+300°C
ELECTRICAL CHARACTERISTICS
(V
IN
= 25V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
Note 1:
Do not exceed switch-to-input voltage limitation.
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.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
CONDITIONS
Error-Amplifier Source Current
V
FB
= 2.0V (MAX830) or
V
SENSE
= 2.0V
(MAX831/832/833)
V
FB
= 2.5V (MAX830) or
V
SENSE
= 5.5V
(MAX831/832/833)
MIN
8
TYP
MAX
30
1.1
1.4
UNITS
V
100
140
225
Supply Current (Note 3)
I
LIM
open
R
LIM
= 10k
(Note 7)
R
LIM
= 7k
(Note 7)
mA
T
A
= +25°C
μA
T
A
= +25°C
Error-Amplifier Sink Current
1.2
1.7
1.2
0.8
2.2
Input Supply Voltage Range
0.6
1.0
1.7
mA
T
A
= +25°C
V
IN
= 25V, V
SW
= 0V
V
IN
= 30V, V
SW
= 0V
V
IN
≤
30V, V
SENSE
= 5.5V (MAX831/MAX832/
MAX833) or V
FB
= 2.5V (MAX830)
150
250
Switch-Off Leakage
μA
8
11
Minimum Supply Voltage (Note 5)
Normal mode
Startup mode
V
3.5
4.8
7.3
8.0
V
SHUT
= 0.1V (Note 4)
140
500
μA
Maximum Duty Cycle
Switch-Current Limit (Note 6)
85
90
85
90
100
%
A
Switching-Frequency Line Regulation
Error-Amplifier Voltage Gain
8V
≤
V
IN
≤
30V
1V
≤
V
C
≤
4V
0.03
2000
5000
0.10
%/V
V/V
μmho
Error-Amplifier Transconductance
3000
9000
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
Switch-On Voltage (Note 2)
I
SW
= 0.2A
I
SW
= 1A
V
110
120
Switching Frequency
V
FB
or V
SENSE
= 0V (Note 6)
20
kHz
T
A
= +25°C
T
A
= +25°C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX830-MAX833 | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MAX832CWE | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MAX833 | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MAX833CWE | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MAX830CWE | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX831CWE+ | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831CWE+T | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831CWE-T | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831EVKIT-SO | 功能描述:電源管理IC開(kāi)發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX832CWE | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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