參數(shù)資料
型號： MAX787
廠商： Maxim Integrated Products, Inc.
英文描述： 5V/3.3V/3V 5A Step-Down, PWM, Switch-Mode DC-DC Regulators(5A,5V步降,PWM,開關(guān)型DC-DC變換器)
中文描述： 5V/3.3V/3V、5A、降壓型、PWM、開關(guān)模式DC-DC穩(wěn)壓器
文件頁數(shù)： 1/4頁
文件大?。?/td> 49K
代理商： MAX787
___________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(guān)PDF資料
PDF描述
MAX788 5V/3.3V/3V 5A Step-Down, PWM, Switch-Mode DC-DC Regulators(5A,5V步降,PWM,開關(guān)型DC-DC變換器)
MAX789 5V/3.3V/3V 5A Step-Down, PWM, Switch-Mode DC-DC Regulators(5A,5V步降,PWM,開關(guān)型DC-DC變換器)
MAX791 Microprocessor Supervisory Circuit(微處理器監(jiān)控電路)
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MAX792S Microprocessor and Non-Volatile Memory Supervisory Circuits(復(fù)位門限1.91V,微處理器和非易失存儲器監(jiān)控電路)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX78700+A00 制造商:Maxim Integrated Products 功能描述:ISOLATED DATA CONVERTER - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC DAC 10UMAX
MAX78700+A00T 制造商:Maxim Integrated Products 功能描述:ISOLATED DATA CONVERTER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DAC 10UMAX
MAX787CCK 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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
MAX787ECK 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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
MAX788CCK 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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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