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MAX17541GATB-T

Description
Motor / Motion / Ignition Controllers u0026 Drivers
Categorysemiconductor    Power management   
File Size983KB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX17541GATB-T Overview

Motor / Motion / Ignition Controllers u0026 Drivers

MAX17541GATB-T Parametric

Parameter NameAttribute value
Product CategorySwitching Voltage Regulators
ManufacturerMaxim
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseTDFN-EP-10
Output Voltage900 mV to 37 V
Output Current500 mA
Number of Outputs1 Output
Input Voltage MAX42 V
TopologyBuck
Input Voltage MIN4.5 V
Switching Frequency600 kHz
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 125 C
PackagingReel
PackagingCut Tape
PackagingMouseReel
Input Voltage4.5 V to 42 V
Operating Supply Current4.75 mA
Operating Temperature Range- 40 C to + 125 C
ShutdownShutdown
Factory Pack Quantity2500
Supply Voltage - Min4.5 V
TypeSynchronous Step-Down DC-DC Converter
Unit Weight0.001764 oz
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
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