MAX17687ATP+ by Analog Devices

4.5V to 60V Input, Ultra-Small, High-Efficiency, Iso-Buck DC-DC Converter


The Rainier series of isolated DC-DC products enable small, efficient solutions with a lower BOM. The MAX17687 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 60V input voltage range and uses primary-side feedback to regulate the output voltage. It delivers primary peak current up to 3.2A and regulates primary output voltage to within ±1.2%. The device features peak-current-mode control with pulse-width modulation (PWM) scheme. The low-resistance, 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 active-low RESET pin provides a delayed power-good signal to the system upon achieving successful regulation of the primary output voltage. The device operates from -40°C to +125°C and is available in a compact 20-pin (4mm x 4mm) TQFN package. Simulation models are available.

Where to Buy

Prices starting from US$5.39

Distributor Stock
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Newark Electronics
from US$5.68
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element14
from US$5.52
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Farnell
from US$5.39
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Features

Eliminates External Components and Reduces Total Cost Synchronous Primary Operation for High Efficiency and Reduced Cost All-Ceramic Capacitors, Ultra-Compact Layout
Synchronous Primary Operation for High Efficiency and Reduced Cost
All-Ceramic Capacitors, Ultra-Compact Layout
Supports Numerous Isolated DC-DC Applications Wide 4.5V to 60V Input Voltage Range Delivers up to 3.2A Peak Current 100kHz to 500kHz Adjustable Frequency with External Synchronization Available in a 20-Pin, 4mm x 4mm TQFN Package
Wide 4.5V to 60V Input Voltage Range
Delivers up to 3.2A 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)
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 -40°C to +125°C Ambient Operating Temperature Range -40°C to +150°C Junction Temperature Range
Hiccup-Mode Current Limit, Sink Current Limit, and Auto-Retry Startup
Programmable EN/UVLO Threshold
Adjustable Soft-Start
-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) 60
Switch Type Internal
VOUT1 Tolerance (±%) 1
Output Adjust. Method Resistor
Synchronous Switching? Yes
Power Good Signal Yes
IQ (mA) (max) 1.16
# DC-DC Outputs 1
Alternate Topology Step-DownStep-Up
Switching Frequency (kHz) 500
Design Tools EE-Sim
Package/Pins TQFN/20
Oper. Temp. (°C) -40 to +125
BudgetaryPrice (See Notes) 2.92

Last 6 months Inventory & Pricing History



MAX17687ATP+ Power Management ICs - PMIC by Analog Devices

DC/DC CONV, BUCK, 500KHZ, 125DEG C

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

Specifications

Topology Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 60V
No. of Outputs 1Outputs
No. of Pins 20Pins
RoHS Compliant Yes

Last 6 months Inventory & Pricing History


Alternative Descriptions

Dc/Dc Conv, Buck, 500Khz, 125Deg C | Newark Electronics

Frequently Asked Questions

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Is the MAX17687ATP+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX17687ATP+ .

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