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MAX17541GAUD-T

产品描述Switching Voltage Regulators 40V, 0.5A, Ultra-Small, High efficiency, Synchronous Step-Down DC/DC converter
产品类别半导体    电源管理   
文件大小983KB,共17页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX17541GAUD-T概述

Switching Voltage Regulators 40V, 0.5A, Ultra-Small, High efficiency, Synchronous Step-Down DC/DC converter

MAX17541GAUD-T规格参数

参数名称属性值
Product AttributeAttribute Value
制造商
Manufacturer
Maxim(美信半导体)
产品种类
Product Category
Switching Voltage Regulators
Output Voltage900 mV to 37 V
Number of Outputs1 Output
Input Voltage MAX42 V
TopologyBuck
Input Voltage MIN4.5 V
Input Voltage4.5 V to 42 V
ShutdownShutdown
NumOfPackaging1
电源电压-最小
Supply Voltage - Min
4.5 V

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MAX17541G
42V, 500mA, Ultra-Small, High-Efficiency,
Synchronous Step-Down DC-DC Converter
General Description
The MAX17541G high-efficiency, high-voltage, synchronous
step-down DC-DC converter with integrated MOSFETs
operates over 4.5V to 42V input. The converter can
deliver up to 500mA and generates output voltages from
0.9V up to 0.92 x V
IN
. The feedback (FB) voltage is accurate
to within ±1.7% over -40°C to +125°C.
The MAX17541G uses peak-current-mode control with
pulse-width modulation (PWM) and operates with fixed
600kHz switching frequency at any load. The device
is available in a 10-pin (3mm x 2mm) TDFN package.
Simulation models are available.
Benefits and Features
● Reduces External Components and Total Cost
• No Schottky-Synchronous Operation
• All-Ceramic Capacitors, Ultra-Compact Layout
● Reduces Number of DC-DC Regulators to Stock
• Wide 4.5V to 42V Input
• Adjustable 0.9V to 92%V
IN
Output
• Delivers up to 500mA
● Reduces Power Dissipation
• Peak Efficiency > 90%
Shutdown Current = 0.9μA (typ)
● Operates Reliably in Adverse Industrial Environments
Hiccup-Mode Current Limit, Sink Current Limit,
and Autoretry Startup
• Built-In Output-Voltage Monitoring (RESET Pin)
Programmable EN/UVLO Threshold
• Adjustable Soft-Start and Prebiased Power-Up
• High Industrial -40°C to +125°C Ambient Operating
Temperature Range/-40°C to +150°C Junction
Temperature Range
Ordering Information
appears at end of data sheet.
Applications
Industrial Process Control
HVAC and Building Control
Base Station, VOIP, Telecom
Home Theatre
Battery-Powered Equipment
General-Purpose Point of Load
MAX17541G Application Circuit (5V Output, 500mA Maximum Load Current)
V
IN
C1
1µF
R1
3.32MΩ
EN/UVLO
R2
681k
V
CC
PGND
R4
82.5kΩ
V
IN
LX
L1
47µH
C4
10µF
V
OUT
5V, 500mA
1
JU1 2
3
MAX17541G
GND
C2
1µF
C3
3300pF
SS
FB/VO
R5
18.2kΩ
RESET
RESET
COMP
C9
22pF
R3
21.5kΩ
C5
3300pF
L1 = 74404054470 OR
XFL6060-473
19-7672 Rev 1; 7/16

MAX17541GAUD-T相似产品对比

MAX17541GAUD-T MAX17541GATB- MAX17541GAUD+
描述 Switching Voltage Regulators 40V, 0.5A, Ultra-Small, High efficiency, Synchronous Step-Down DC/DC converter Switching Voltage Regulators SYNCHRONOUS STEP DWN DC/DC CONVERTER Switching Voltage Regulators 40V, 0.5A, Ultra-Small, High efficiency, Synchronous Step-Down DC/DC converter
Product Attribute Attribute Value Attribute Value Attribute Value
制造商
Manufacturer
Maxim(美信半导体) Maxim(美信半导体) Maxim(美信半导体)
产品种类
Product Category
Switching Voltage Regulators Switching Voltage Regulators Switching Voltage Regulators
Output Voltage 900 mV to 37 V 0.9 V to 38.64 V 900 mV to 37 V
Number of Outputs 1 Output 1 Output 1 Output
Input Voltage MAX 42 V 42 V 42 V
Topology Buck Buck Buck
Input Voltage MIN 4.5 V 4.5 V 4.5 V
Input Voltage 4.5 V to 42 V 4.5 V to 42 V 4.5 V to 42 V
Shutdown Shutdown Shutdown Shutdown
电源电压-最小
Supply Voltage - Min
4.5 V 4.5 V 4.5 V

 
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