MAX17761ATC+ by Analog Devices

4.5V to 76V, 1A, High-Efficiency, Synchronous Step-Down DC-DC Converter


The MAX17761, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 76V input. The converter can deliver up to 1A current. Output voltage is programmable from 0.8V up to 90% of VIN. The feedback voltage regulation accuracy over -40°C to +125°C is ±1.5%. The device features a peak-current-mode control architecture and can be operated in either the pulse-width modulation (PWM) or pulse-frequency modulation (PFM) control schemes. The MAX17761 is available in a 12-pin (3mm x 3mm) TDFN package. Simulation models are available.

Where to Buy

Prices starting from US$2.69

Distributor Stock
Logo for Farnell
Farnell
from US$3.24
232
in stock
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Logo for Analog Devices
Analog Devices
from US$2.69
4,827
in stock
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Newark Electronics
from US$4.14
232
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element14
from US$3.32
232
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Features

Reduces External Components and Total Cost
No Schottky—Synchronous Operation
Internal Compensation Components
All-Ceramic Capacitors, Compact Layout
Reduces Number of DC-DC Regulators to Stock
Wide 4.5V to 76V Input
Output Adjustable from 0.8V up to 90% of VIN
Delivers up to 1A Over Temperature
200kHz to 600kHz Adjustable Frequency with External Clock Synchronization
Programmable Current Limit
Reduces Power Dissipation
Peak Efficiency > 90%
PFM Mode Enables Enhanced Light-Load Efficiency
Auxiliary Bootstrap LDO for Improved Efficiency
5μA Shutdown Current
Operates Reliably in Adverse Industrial Environments
Adjustable Soft-Start and Prebiased Power-Up
Built-in Output-Voltage Monitoring with Active-low RESET
Programmable EN/UVLO Threshold
Monotonic Startup into Prebiased Load
Overtemperature Protection
High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

Specifications

VIN (V) (min) 4.5
VIN (V) (max) 76
VOUT1 (V) (min) 0.8
VOUT1 (V) (max) 68.4
IOUT1 (A) (max) 1
Switch Type Internal
Output Adjust. Method Resistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 200600
Design Tools EE-Sim
Package/Pins TDFN-CU/12
BudgetaryPrice (See Notes) 2.51


MAX17761ATC+ Semiconductors - ICs by Analog Devices

DC/DC CONV SYNC BUCK TDFN-12

Status: Unknown
Series: Himalaya Series
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 76V
No. of Outputs 1Outputs
DC / DC Converter IC Case TDFN
No. of Pins 12Pins
Output Current 1A
Output Voltage Min 800mV
Output Voltage Max 68.4V
Switching Frequency 600kHz
Operating Temperature Max 125°C
Product Range Himalaya Series
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

PI07 - 76V DC-DC converter | Analog Devices
Dc/Dc Conv, Sync Buck, Tdfn-12 | Newark Electronics
DC/DC CONV, SYNC BUCK, TDFN-12 | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX17761ATC+ ?

Additional datasheets, footprints and schematics for MAX17761ATC+ are listed on our Part Details page. You can also find images and similar parts to MAX17761ATC+ on this page.

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Is the MAX17761ATC+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX17761ATC+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX17761ATC+ .

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