MAX17509ATJ+ by Analog Devices

4.5V–16V, Dual 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Resistor Programmability

Status: Active
Series: MAX17509
RoHS: Unknown
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The MAX17509 integrates two 3A internal switch step-down regulators with programmable features. The device can be configured as two single-phase independent, 3A power supplies or as a dual-phase, single-output 6A power supply. The device operates from 4.5V to 16V input and generates independently adjustable output voltage in the ranges of 0.904V to 3.782V and 4.756V to 5.048V, with ±2% system accuracy. This device provides maximum flexibility to the end-user by allowing to choose multiple programmable options by connecting resistors to the configuration pins. Two key highlights of the device are the self-configured compensation for any output voltage and the ability to program the slew rate of LX switching nodes to mitigate noise concerns. In noise-sensitive applications, such as high-speed multi-gigabit transceivers in FPGAs, RF, and audio benefit from this unique slew rate control. SYNC input is provided for synchronized operation of multiple devices with system clocks. MAX17509 offers output overvoltage (OV) and undervoltage (UV) protection, as well as overcurrent (OC) and undercurrent (UC) protection with a selectable hiccup/latch option. It operates over the -40°C to +125°C temperature range, with thermal sensing and shutdown provided for overtemperature (OT) protection. The device is available in a 32-pin 5mm x 5mm TQFN package.

Prices starting from US$3.50


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$5.03
117
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Logo for element14 element14 US$4.10
117
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Features

Reduces Number of DC-DC Regulators in Inventory Output Voltage (0.904V to 3.782V and 4.756V to 5.048V with 20mV Resolution) Configurable Two Independent Outputs (3A/3A) or a Dual-Phase Single Output (6A)
Output Voltage (0.904V to 3.782V and 4.756V to 5.048V with 20mV Resolution)
Configurable Two Independent Outputs (3A/3A) or a Dual-Phase Single Output (6A)
Mitigate Noise Concerns and EMI Adjustable Switching Frequency with Selectable 0/180° Phase Shift External Frequency Synchronization Adjustable Switching Slew Rate Passes EN55022 (CISPR22) Class-B Radiated and Conducted EMI Standard
Adjustable Switching Frequency with Selectable 0/180° Phase Shift
External Frequency Synchronization
Adjustable Switching Slew Rate
Passes EN55022 (CISPR22) Class-B Radiated and Conducted EMI Standard
Ease of System Design All Ceramic Capacitors Solution Auto-Configured Internal Compensation Selectable Hiccup or Brickwall Mode Adjustable Soft-Start Rise/Fall Time with Soft Stop Modes and Prebias Startup -40°C to +125°C Operation
All Ceramic Capacitors Solution
Auto-Configured Internal Compensation
Selectable Hiccup or Brickwall Mode
Adjustable Soft-Start Rise/Fall Time with Soft Stop Modes and Prebias Startup
-40°C to +125°C Operation
Reliable Operation Robust Fault Protections (VIN_UVLO, UV/OV, UC/OC, OT) Power Good
Robust Fault Protections (VIN_UVLO, UV/OV, UC/OC, OT)
Power Good

Specifications

VIN (V) (min) 4.5
VIN (V) (max) 16
VOUT1 (V) (min) 0.9
VOUT1 (V) (max) 5
IOUT1 (A) (max) 3
Switch Type Internal
Preset VOUT (V) 20mV steps
Output Adjust. Method Resistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 2
Switching Frequency (kHz) 500100015002000
Design Tools EE-Sim
Package/Pins TQFN-CU/32
BudgetaryPrice (See Notes) 2.98


MAX17509ATJ+ Semiconductors - ICs by Analog Devices

DC/DC CONV SYNC BUCK 2.2MHZ TQFN-32

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

Specifications

Input Voltage Min 4.5V
Input Voltage Max 16V
No. of Outputs 2 Output, 2Outputs
DC / DC Converter IC Case TQFN
No. of Pins 32Pins
Output Current - Output 1 3A
Output Current - Output 2 3A
Output Voltage - Output 1 3.782V
Output Voltage - Output 2 5.048V
Regulator Output Type Adjustable
Switching Frequency 2.2MHz
Topology Synchronous Buck (Step Down)
Operating Temperature Max 125°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Operating Temperature Min -40°C

Alternative Descriptions

Dc/Dc Conv, Sync Buck, 2.2Mhz, Tqfn-32 | Newark Electronics
DC/DC CONV, SYNC BUCK, 2.2MHZ, TQFN-32 | element14

Frequently Asked Questions

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Is the MAX17509ATJ+ 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 MAX17509ATJ+ .

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