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MAX17682ATP+T

Description
Switching Regulator 4.5V to 42V Input, High-Efficiency, Iso-Buck DC-DC Converter
CategoryPower/power management    The power supply circuit   
File Size696KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX17682ATP+T Overview

Switching Regulator 4.5V to 42V Input, High-Efficiency, Iso-Buck DC-DC Converter

MAX17682ATP+T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
package instructionHVQCCN,
Reach Compliance Codecompliant
Factory Lead Time16 weeks
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage42 V
Minimum input voltage4.5 V
Nominal input voltage24 V
JESD-30 codeS-XQCC-N20
length4 mm
Number of functions1
Number of terminals20
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current5 A
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum seat height0.8 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency500 kHz
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width4 mm
EVALUATION KIT AVAILABLE
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MAX17682
4.5V to 42V Input, Ultra-Small, High-Efficiency,
Iso-Buck DC-DC Converter
General Description
The MAX17682 is a high-voltage, high-efficiency, iso-buck
DC-DC converter designed to provide isolated power up
to 10W. The device operates over a wide 4.5V to 42V
input voltage range and uses primary-side feedback
to regulate the output voltage. It delivers primary peak
current up to 3.7A and regulates primary output voltage to
within ±1.2% over -40°C to +125°C.
The device features peak-current-mode control with
pulse-width modulation (PWM) scheme. The low-resis-
tance, on-chip MOSFETs ensure high efficiency at full
load and simplify the layout.
A programmable soft-start feature allows users to reduce
input inrush current. The device also incorporates an
output enable/undervoltage lockout pin (EN/UVLO) that
allows the user to turn on the part at the desired input-
voltage level. An open-drain RESETB pin provides a
delayed power-good signal to the system upon achieving
successful regulation of the primary output voltage.
The device operates over the -40°C to +125°C industrial
temperature range and is available in a compact 20-pin
(4mm x 4mm) TQFN package. Simulation models are
available.
Benefits and Features
Eliminates External Components and Reduces Total
Cost
Synchronous Primary Operation for High Efficiency
and Reduced Cost
• All-Ceramic Capacitors, Ultra-Compact Layout
Reduces Number of DC-DC Regulators to Stock
• Wide 4.5V to 42V Input Voltage Range
• 0.9V to 92% V
IN
Primary Output Voltage
• Delivers up to 3.7A Peak Current
• 100kHz to 500kHz Adjustable Frequency with
External Synchronization
• Available in a 20-Pin, 4mm x 4mm TQFN Package
Reduces Power Dissipation
Peak Efficiency > 90%
Shutdown Current = 2.8μA (typ)
Operates Reliably in Adverse Industrial Environments
• Hiccup-Mode Current Limit, Sink Current Limit, and
Auto-Retry Startup
• Programmable EN/UVLO Threshold
• Adjustable Soft-Start
• High Industrial -40°C to +125°C Ambient Operating
Temperature Range
• -40°C to +150°C Junction Temperature Range
Applications
Industrial Process Control
Communication Hub in Smart meters
Isolated Power Supplies in Medical Equipment
Floating Power Supply Generation
Ordering Information
appears at end of data sheet.
19-8639; Rev 1; 4/18

MAX17682ATP+T Related Products

MAX17682ATP+T MAX17682ATP+
Description Switching Regulator 4.5V to 42V Input, High-Efficiency, Iso-Buck DC-DC Converter Switching Regulator DC-DC Converter 4.5V to 42V Input
Is it Rohs certified? conform to conform to
Maker Maxim Maxim
package instruction HVQCCN, HVQCCN,
Reach Compliance Code compliant compliant
Factory Lead Time 16 weeks 7 weeks
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 42 V 42 V
Minimum input voltage 4.5 V 4.5 V
Nominal input voltage 24 V 24 V
JESD-30 code S-XQCC-N20 S-XQCC-N20
length 4 mm 4 mm
Number of functions 1 1
Number of terminals 20 20
Maximum operating temperature 125 °C 125 °C
Minimum operating temperature -40 °C -40 °C
Maximum output current 5 A 1.9 A
Package body material UNSPECIFIED UNSPECIFIED
encapsulated code HVQCCN HVQCCN
Package shape SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) NOT SPECIFIED 260
Maximum seat height 0.8 mm 0.8 mm
surface mount YES YES
Switch configuration BUCK BUCK
Maximum switching frequency 500 kHz 213 kHz
technology BICMOS BICMOS
Temperature level AUTOMOTIVE AUTOMOTIVE
Terminal form NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm
Terminal location QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED 30
width 4 mm 4 mm
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