MAX17024ETD+T by Analog Devices

Single Quick-PWM Step-Down Controller with Dynamic REFIN


The MAX17024 pulse-width modulation (PWM) controller provides high efficiency, excellent transient response, and high DC-output accuracy needed for stepping down high-voltage batteries to generate low-voltage core or chipset/RAM bias supplies in notebook computers. The output voltage can be controlled using the dynamic REFIN, which supports input voltages between 0 to 2V. The REFIN adjustability combined with a resistive voltage-divider on the feedback input allows the MAX17024 to be configured for any output voltage between 0 to 0.9 x VIN. Maxim's proprietary Quick-PWM™ quick-response, constant-on-time PWM control scheme handles wide input/output voltage ratios (low-duty-cycle applications) with ease and provides 100ns "instant-on" response to load transients while maintaining a relatively constant switching frequency. Strong drivers allow the MAX17024 to efficiently drive large synchronous-rectifier MOSFETs. The controller senses the current across the sense resistor series with the synchronous rectifier to achieve highly accurate valley current-limit protection. The MAX17024 includes a voltage-controlled soft-start and soft-shutdown to limit the input surge current, provide a monotonic power-up (even into a precharged output), and provide a predictable power-up time. The controller also includes output undervoltage and thermal-fault protection. The MAX17024 is available in a tiny 14-pin, 3mm x 3mm TDFN package. For space-constrained applications, refer to the MAX17016 single step-down with 26V internal MOSFETs capable of supporting 10A continuous load. The MAX17016 is available in a small 40-pin, 6mm x 6mm TQFN package.

Where to Buy

Prices starting from US$2.02

Distributor Stock
Logo for Farnell
Farnell
from US$2.16
463
in stock
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Logo for element14
element14
from US$2.10
463
in stock
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Logo for Newark Electronics
Newark Electronics
from US$2.02
328
in stock
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Features

Quick-PWM with Fast Transient Response
Supports Any Output Capacitor No Compensation Required with Polymers/Tantalum Stable with Ceramic Output Capacitors Using External Compensation
No Compensation Required with Polymers/Tantalum
Stable with Ceramic Output Capacitors Using External Compensation
Precision 2V ±10mV Reference
Dynamically Adjustable Output Voltage (0 to 0.9 x VIN Range) Feedback Input Regulates to 0 to 2V REFIN Voltage 0.5% VOUT Accuracy Over Line and Load
Feedback Input Regulates to 0 to 2V REFIN Voltage
0.5% VOUT Accuracy Over Line and Load
26V Maximum Input Voltage Rating
Resistively Programmable Switching Frequency
Undervoltage/Thermal Protection
Voltage Soft-Start and Soft-Shutdown
Monotonic Power-Up with Precharged Output
Power-Good Window Comparator

Specifications

VIN (V) (min) 2
VIN (V) (max) 26
VOUT1 (V) (min) 0
VOUT1 (V) (max) 23
IOUT1 (A) (max) 10
Switch Type External
Output Adjust. Method Dyn. REF InResistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 600
Package/Pins TDFN/14
BudgetaryPrice (See Notes) 1.77


MAX17024ETD+T Semiconductors - ICs by Analog Devices

PWM CONTROLLER 26V TDFN-14

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

Specifications

Input Voltage -
Output Voltage -
Output Current -
Supply Voltage Min 2V
Supply Voltage Max 26V
Controller IC Case Style TDFN
No. of Pins 14Pins
Frequency -
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

PWM CONTROLLER, 26V, TDFN-14 | element14
Pwm Controller, 26V, Tdfn-14 | Newark Electronics

Frequently Asked Questions

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Is the MAX17024ETD+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for MAX17024ETD+T .

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