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參數資料
| 型號： | MXL1076 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Step-Down, PWM, Switch-Mode DC-DC Regulators(2A,步降，PWM,開關模式 DC-DC穩壓器) |
| 中文描述： | 5A/2A、降壓型、PWM、開關模式DC-DC穩壓器 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 51K |
| 代理商： | MXL1076 |
_______________General Desc ription
The MXL1074/MXL1076 are monolithic, bipolar, pulse-
width modulation (PWM), switch-mode DC-DC regulators
optimized for step-down applications. The MXL1074 is
rated at 5A, while the MXL1076 is rated at 2A. Few exter-
nal components are needed for standard operation
because the power switch, oscillator, and control circuitry
are all on-chip. Employing a classic buck topology, these
regulators perform high-current step-down functions, but
can also be configured as an inverter, a negative boost
converter, or a flyback converter.
The regulators have excellent dynamic and transient-
response characteristics, while featuring cycle-by-cycle
current limiting to protect against overcurrent faults and
short-circuit output faults. The MXL1074/MXL1076 also
have a wide 8V to 40V input range in the step-down
configuration. In inverting and step-up configurations,
the input can be as low as 5V.
The MXL1074/MXL1076 are available in a 5-pin TO-220
package. The devices have a preset 100kHz oscillator
frequency and a preset current limit of 6.5A for the
MXL1074, and 2.6A for the MXL1076. The MXL1074/
MXL1076 are pin compatible with the LT1074/LT1076.
________________________Applic ations
Distributed Power from High-Voltage Buses
High-Current, High-Voltage Step-Down Applications
High-Current Inverter
Negative Step-Up Converter
Multiple-Output Step-Down Converter
Isolated DC-DC Conversion
____________________________Features
o
Input Range:
Up to 40V
o
5A On-Chip Power Switch (MXL1074)
2A On-Chip Power Switch (MXL1076)
o
Adjustable Output:
2.5V to 35V
o
100kHz Switching Frequency
o
Excellent Dynamic Characteristics
o
Few External Components
o
8.5mA Quiescent Current
o
TO-220 Package
______________Ordering Information
M
5A/2A S tep-Down, PWM,
S witc h-Mode DC-DC Regulators
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
INPUT
8V TO40V
220μF
2.7k
0.01μF
GND
V
C
V
IN
FB
V
SW
MBR745
50μH
OUTPUT
5V AT 5A
2.8k
2.21k
470μF
MXL1074
__________________________________________________Typic al Operating Circ uits
19-0102; Rev 3; 9/95
PART
TEMP. RANGE
PIN-PACKAGE
MXL1074
CT
0°C to +70°C
5 TO-220
MXL1074ET
-40°C to +85°C
5 TO-220
5A STEP-DOWN CONVERTER
MXL1076
CT
0°C to +70°C
5 TO-220
MXL1076ET
-40°C to +85°C
5 TO-220
INPUT
8V TO40V
220μF
2.7k
0.01μF
GND
V
C
V
IN
FB
V
SW
MBR745
100μH
OUTPUT
5V AT 2A
2.8k
2.21k
470μF
MXL1076
2A STEP-DOWN CONVERTER
V
IN
GND
FB
V
SW
V
C
MXL1074
MXL1076
5
4
3
2
1
5-PIN TO-220
FRONT VIEW
CASE IS CONNECTED TOGROUND. STANDARD PACKAGE HAS
STAGGERED LEADS. CONTACT FACTORY FOR STRAIGHT LEADS.
___________________Pin Configuration
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MXL1076CT | 功能描述:直流/直流開關調節器 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 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MXL1076ET | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:5A/2A Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MXL1116 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ultra-Fast.Precision TTL Comparators |
| MXL1116CN8 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MXL1116CS8 | 制造商:Maxim Integrated Products 功能描述:8 PIN N.SO PACKAGING - Bulk |
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