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參數資料
| 型號： | MAX726 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| 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： | 39K |
| 代理商： | MAX726 |
___________Produc t S elec tion Guide
_______________General Desc ription
The MAX787/MAX788/MAX789 are monolithic, bipolar,
pulse-width modulation (PWM), switch-mode, step-down
DC-DC regulators. Each is rated at 5A. 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.
The MAX787/MAX788/MAX789 have excellent dynamic
and transient response characteristics, while featuring
cycle-by-cycle current limiting to protect against overcurrent
faults and short-circuit output faults. They also have a wide
8V to 40V input range.
Each regulator is available in a 5-pin TO-220 package.
These devices have a preset 100kHz oscillator frequency
and a preset current limit of 6.5A. See the MAX724/
MAX726 data sheet for more applications information.
_______________________Applic ations
Distributed Power from High-Voltage Buses
High-Current, High-Voltage Step-Down
Multiple-Output Buck Converter
M
5V /3.3V /3V 5A 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
V
IN
V
SW
GND
V
C
SENSE
CASE IS CONNECTED TOGROUND. STANDARD PACKAGE HAS STAGGERED LEADS.
CONTACT FACTORY FOR STRAIGHT LEADS.
5-PIN TO-220
FRONT VIEW
MAX787
MAX788
MAX789
1
2
3
4
5
__________________Pin Configuration
VIN
VC
VSW
220
μ
F
GND
2.7k
0.01
μ
F
OUTPUT
5V AT 5A
SENSE
50
μ
H
MBR745
470
μ
F
INPUT
8V TO 40V
MAX787
STEP-DOWN CONVERTER
__________Typic al Operating Circ uit
19-0182; Rev 3; 9/95
___________________________Features
o
Input Range: Up to 40V
o
5A On-Chip Power Switch
o
Fixed Outputs: 5V (MAX787)
3.3V (MAX788)
3V (MAX789)
o
100kHz Switching Frequency
o
Excellent Dynamic Characteristics
o
Few External Components
o
8.5mA Quiescent Current
o
TO-220 Package
______________Ordering Information
PART
MAX724
MAX726
MAX727
V
OUT
(V)
Adjustable
Adjustable
5
I
OUT
MAX (A)
5
2
2
MAX728
MAX729
3.3
3
2
2
MAX787
MAX788
MAX789
5
5
5
5
3.3
3
PART
MAX787
CCK
MAX787ECK
MAX788
CCK
MAX788ECK
MAX789
CCK
MAX789ECK
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
5 TO-220
5 TO-220
5 TO-220
5 TO-220
5 TO-220
5 TO-220
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
相關PDF資料 |
PDF描述 |
|---|---|
| MAX787CCK | 5V/3.3V/3V 5A Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MAX788CCK | Hex Inverters With Open-Collector Outputs 14-CFP -55 to 125 |
| MAX788ECK | 5V/3.3V/3V 5A Step-Down, PWM, Switch-Mode DC-DC Regulators |
| MAX789ECK | Hex Inverter Buffers/Drivers With Open-Collector High-Voltage Outputs 14-CDIP -55 to 125 |
| MAX726CCK | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX726CCK | 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 |
| MAX726CCK-SL | 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 |
| MAX726CCM | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Current-Mode SMPS Controller |
| MAX726CKS | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Current-Mode SMPS Controller |
| MAX726CWE | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Current-Mode SMPS Controller |
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