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參數(shù)資料
| 型號： | MAX830-MAX833 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators |
| 中文描述： | 5V/3.3V/3V/Adjustable-Output，1A中，降壓，PWM，開關模式DC - DC穩(wěn)壓器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 43K |
| 代理商： | MAX830-MAX833 |
_______________General Desc ription
The MAX830/MAX831/MAX832/MAX833 are monolithic,
bipolar, pulse-width-modulation (PWM), switch-mode, step-
down DC-DC regulators. Each is rated at 1A. Very few
external components are needed for standard operation
because the power switch, oscillator, feedback, and control
circuitry are all on-chip. Employing a classic buck topology,
these regulators perform high-current step-down functions.
These regulators have excellent dynamic and transient
response characteristics, while featuring cycle-by-cycle cur-
rent limiting to protect against overcurrent faults and short-
circuit output faults. They have a wide 8V to 30V input
range. Outputs for the MAX831/MAX832/MAX833 are fixed
at 5V/3.3V/3V, respectively. The MAX830 output is
adjustable.
Available in 16-pin SO packages, the MAX830–MAX833
have a preset 100kHz oscillator frequency. In addition,
the preset current limit and micropower shutdown can be
externally controlled. See the MAX724/MAX726 data
sheet for more applications information.
_______________________Applic ations
Distributed Power from High-Voltage Buses
High-Current, High-Voltage Step-Down Applications
Multiple-Output Buck Converter
M
5V/3.3V/3V/Adjustable-Output, 1A,
Step-Down, PWM, Switch-Mode DC-DC Regulators
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V
SW
V
SW
V
SW
V
SW
V
IN
V
IN
V
IN
V
IN
MAX830
MAX831
MAX832
MAX833
GND
V
C
GND
SHUT
(FB) SENSE
GND
I
LIM
GND
Wide SO
T
j
(MAX) = +125°C,
θ
jA =
+55°C/W*
( ) ARE FOR MAX830
* THIS THERMAL RESISTANCE NUMBER IS WITH THE DEVICE WELL MOUNTED
ON 1 oz. COPPER WITH THERMAL PASTE BETWEEN THE IC AND THE
UNDERLYING GROUND PLANE. LOWER THERMAL RESISTANCE IS POSSIBLE
(SEE APPLICATIONS SECTION).
__________________Pin Configuration
VIN
VC
VSW
100
μ
F
GND
10k
0.047
μ
F
OUTPUT
5V AT 1A
SENSE
100
μ
H*
MBR350
470
μ
F
INPUT
8V TO 30V
MAX831
STEP-DOWN CONVERTER
* CoilCraft DO3316-104
__________Typic al Operating Circ uit
19-0167; Rev 2; 6/95
___________________________Features
o
Input Range: Up to 30V
o
1A On-Chip Power Switch
o
Adjustable Output (MAX830)
Fixed Outputs: 5V (MAX831)
3.3V (MAX832)
3V (MAX833)
o
100kHz Switching Frequency
o
Excellent Dynamic Characteristics
o
Few External Components
o
8mA Quiescent Current
o
16-Pin SO Package
o
Evaluation Kit Available
______________Ordering Information
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
16 Wide SO
16 Wide SO
MAX830CWE
MAX831CWE
MAX832CWE
MAX833CWE
0°C to +70°C
0°C to +70°C
16 Wide SO
16 Wide SO
EVALUATION KIT MANUAL
FOLLOWS DATA SHEET
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| MAX831 | Evaluation Kit for the MAX830/MAX831/MAX832/MAX833 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX831CWE | 功能描述:直流/直流開關調節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831CWE+ | 功能描述:直流/直流開關調節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831CWE+T | 功能描述:直流/直流開關調節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831CWE-T | 功能描述:直流/直流開關調節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX831EVKIT-SO | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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