MAX17524ATJ+ by Analog Devices

4.5V to 60V, Dual 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter


The MAX17524 dual 3A, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated high-side MOSFETs operates over an input-voltage range of 4.5V to 60V. The device can deliver up to 3A on each output and generates output voltages from 0.9V up to 90% of VIN. This device features internal compensation. The MAX17524 uses peak current-mode control, and can be operated in pulse-width modulation (PWM), pulse-frequency modulation (PFM), and discontinuous-conduction mode (DCM) to enable high efficiency under light-load conditions. The feedback-voltage regulation accuracy is accurate to within ±1.4% over -40°C to +125°C. The device is available in a 32-pin (5mm x 5mm) Thin QFN (TQFN) package. Simulation models are available.

Where to Buy

Prices starting from US$4.84

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Features

Reduces External Components and Total Cost No Schottky - Synchronous Operation Internal Compensation Components All-Ceramic Capacitors, Compact Layout
No Schottky - Synchronous Operation
Internal Compensation Components
All-Ceramic Capacitors, Compact Layout
Reduces Number of DC-DC Regulators to Stock Wide 4.5V to 60V Input Adjustable Output Range from 0.9V up to 90% of VIN Delivers up to 3A on Each Output Over the Temperature Range 100kHz to 1.1MHz Adjustable Frequency with External Clock Synchronization Available in a 32-Pin, 5mm x 5mm TQFN Package
Wide 4.5V to 60V Input
Adjustable Output Range from 0.9V up to 90% of VIN
Delivers up to 3A on Each Output Over the Temperature Range
100kHz to 1.1MHz Adjustable Frequency with External Clock Synchronization
Available in a 32-Pin, 5mm x 5mm TQFN Package
Independent Input-Voltage Pins for Each Output
Reduces Power Dissipation Peak Efficiency of 94.4% PFM and DCM Modes Enable Enhanced Light-Load Efficiency Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency 5.2μA Shutdown Current
Peak Efficiency of 94.4%
PFM and DCM Modes Enable Enhanced Light-Load Efficiency
Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency
5.2μA Shutdown Current
Operates Reliably in Adverse Industrial Environments Hiccup-Mode Overload Protection Independent Adjustable Soft-Start Pin and Programmable EN/UVLO Pin for Each Output Monotonic Startup with Prebiased Output Voltage Built-in Independent Output-Voltage Monitoring with Active-Low RESET for Each Output Overtemperature Protection High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction
Hiccup-Mode Overload Protection
Independent Adjustable Soft-Start Pin and Programmable EN/UVLO Pin for Each Output
Monotonic Startup with Prebiased Output Voltage
Built-in Independent Output-Voltage Monitoring with Active-Low RESET for Each Output
Overtemperature Protection
High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction

Specifications

VIN (V) (min) 4.5
VIN (V) (max) 60
VOUT1 (V) (min) 0.9
VOUT1 (V) (max) 54
IOUT1 (A) (max) 3
Switch Type Internal
Output Adjust. Method Resistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 2
Switching Frequency (kHz) 1001000
Design Tools EE-Sim
Package/Pins TQFN-CU/32
BudgetaryPrice (See Notes) 4.52


MAX17524ATJ+ Semiconductors - ICs by Analog Devices

DC/DC CONV SYNC BUCK 1.1MHZ TQFN-32

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

Specifications

Input Voltage Min 4.5V
Input Voltage Max 60V
No. of Outputs 2 Output
DC / DC Converter IC Case TQFN
No. of Pins 32Pins
Output Current - Output 1 3A
Output Current - Output 2 3A
Output Voltage - Output 1 54V
Output Voltage - Output 2 54V
Regulator Output Type Adjustable
Switching Frequency 1.1MHz
Topology Synchronous Buck (Step Down)
Operating Temperature Max 125°C
Product Range Himalaya Series
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

60V, 3A, Dual-Output, High-Eff | Analog Devices
Dc/Dc Conv, Sync Buck, 1.1Mhz, Tqfn-32 | Newark Electronics
DC/DC CONV, SYNC BUCK, 1.1MHZ, TQFN-32 | element14

Frequently Asked Questions

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Is the MAX17524ATJ+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX17524ATJ+ .

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