Product Information

MAX20419ATGC/V+T

MAX20419ATGC/V+T electronic component of Analog Devices

Datasheet
Switching Voltage Regulators 2.2Mhz Sync Boost and Dual Step-Down Converters with Programmable Watchdog

Manufacturer: Analog Devices
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2500: USD 5.7934 ea
Line Total: USD 14483.5

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MOQ: 2500  Multiples: 2500
Pack Size: 2500
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Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 2500
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MAX20419ATGC/V+T
Analog Devices

2500 : USD 5.7934

     
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EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. MAX20419 High-Efficiency, 3-Output, Low-Voltage DC-DC Converter General Description Benefits and Features The MAX20419 is a high-efficiency, 3-output, low-voltage Multiple Functions for Small Size DC-DC converter IC. OUT1 boosts the input supply to 5V Synchronous 750mA Boost Converter at up to 750mA, while two synchronous step-down con- Fixed at 5V Output verters operate from a 3.0V to 5.5V input voltage range Dual Synchronous Buck Converters Up to 3.6A and provide a 0.8V to 3.8V output voltage range at up to - Factory Configurable from 0.8V to 3.8V 3.6A. The boost converter achieves 1.9% and the buck in 25mV Steps converters achieve 1.4% output error over load, line, Programmable Windowed Watchdog and temperature range. The IC features a 2.2MHz fixed- 3.0V to 5.5V Operating Supply Voltage frequency pulse-width modulation (PWM) mode for better 2.2MHz Operation noise immunity and load-transient response, and a pulse- Individual RESET_ Outputs frequency-modulation mode (skip) for increased efficiency High-Precision Performance during light-load operation. The 2.2MHz frequency opera- - 1.9% Output-Voltage Accuracy (OUT1) and tion allows the use of all-ceramic capacitors and minimizes 1.4% Output-Voltage Accuracy (OUT2, OUT3) external components. The programmable spread-spectrum - 1.3% OV/UV Monitoring (OUT1OUT3, PV) frequency modulation minimizes radiated electromagnetic - Excellent Load-Transient Performance emissions. Integrated low R switches improve effi- DS(ON) Diagnostics and Redundant Circuits ciency at heavy loads, and make the layout a much simpler ASIL-C Compliant task with respect to discrete solutions. Redundant Reference The IC is offered with factory-preset output voltages (see the Fail Safe on Open Pins Ordering Information/Selector Guide for available options). Shorted Pin Detection on RESET1RESET3 Other features include soft-start, overcurrent, and overtem- Input Overvoltage Detection perature protections. The MAX20419 also has several redun- Robust for the Automotive Environment dancy and diagnostic features for compatibility with ASIL- Current Mode, Forced-PWM, and Skip Operation rated applications. Overtemperature and Short-Circuit Protection 24-Pin (4mm x 4mm) TQFN with Exposed Pad Ordering Information/Selector Guide appears at end of data -40C to +125C Automotive Temperature Range sheet. Typical Operating Circuit EN1 OUT1 5.0V EN2 22F EN3 PGND 3.3V 2.2H 3.3V SYNC LX1 4.7F PV PGND1 1F GND MAX20419 PV[2:3] 2x4.7F WDS PV_OV 47nF WDI /3 RESET[1:3] 0.47H LX2 0.47H OUT2 47F LX3 47F OUT3 PGND2 PGND3 19-100255; Rev 9; 4/20MAX20419 High-Efficiency, 3-Output, Low-Voltage, DC-DC Converter Absolute Maximum Ratings PV2, PV3 to PGND_ ...............................................-0.3V to +6V GND to PGND ......................................................-0.3V to +0.3V PV to GND...............................................................-0.3V to +6V LX1 Continuous RMS Current ................................................2A EN1EN3, SYNC to GND ...........................-0.3V to V + 0.3V LX2, LX3 Continuous RMS Current .......................................3A PV RESET1RESET3, WDI, WDS to GND ..................-0.3V to +6V Output Short-Circuit Duration ....................................Continuous PV_OV to GND ...................................................... -0.3V to +6V Continuous Power Dissipation (T = +70C) A OUT1 to PGND1 .....................................................-0.3V to +6V 24-Pin TQFN-EP (derate 30.3mW/C > +70C) ....... 2222mW OUT2 to PGND2 ....................................... -0.3V to V + 0.3V Operating Temperature Range ......................... -40C to +125C PV2 OUT3 to PGND3 ....................................... -0.3V to V + 0.3V Junction Temperature ......................................................+150C PV3 LX1 to PGND1.........................................-0.3V to V + 0.3V Storage Temperature Range ............................ -65C to +150C OUT1 LX2 to PGND2........................................... -0.3V to V + 0.3V Lead Temperature Range ................................................+300C PV2 LX3 to PGND3........................................... -0.3V to V + 0.3V PV3 Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Package Information PACKAGE TYPE: 24-PIN TQFN Package Code T2444+4C Outline Number 21-0139 Land Pattern Number 90-0022 THERMAL RESISTANCE, FOUR-LAYER BOARD Junction to Ambient ( ) 36C/W JA Junction to Case ( ) 3C/W JC Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a +, #, or - in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Electrical Characteristics (V = V = V = 3.3V, EN1 = EN2 = EN3 = 3.3V, T = -40C to +125C, unless otherwise noted. Typical values are at PV PV2 PV3 J T = +25C (Notes 1 and 3) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range V Fully operational 3.0 5.5 V IN UVLO Rising 2.7 2.9 R Undervoltage Lockout (UVLO) V UVLO Falling 2.4 2.6 F Shutdown Supply Current I EN1EN3 = low 15 45 70 A IN EN1 = high, I = 0mA, skip, OUT1 Supply Current (IN1) I 70 150 230 A IN1 watchdog disabled EN2 = high, I = 0mA, skip, OUT2 Supply Current (IN2) I 50 125 200 A IN2 watchdog disabled EN3 = high, I = 0mA, skip, OUT3 Supply Current (IN3) I 50 125 200 A IN3 watchdog disabled PWM Switching Frequency f Internally generated 2.0 2.2 2.4 MHz SW Spread Spectrum SS Factory option enabled 3 % Maxim Integrated 2 www.maximintegrated.com

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
AD4
ANALOG DEVICES
Analog Devices Hittite
ANALOG DEVICES (LINEAR TECHNOLOGY)
ANALOG DEVICES (MAXIM INTEGRATED)
ANALOG DEVICES (TRINAMIC)
Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
Analog Devices Inc.
Analog Devices, Inc.
DA4
Dallas
DALLAS / MAXIM
Dallas Semiconductor (VA)
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Linear Technology (part of ADI)
LT
LT4
MAXIM
Maxim Integrated
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Maxim Integrated Products
MAXIM-DALLAS
MX4
Technology
Trinamic
TRINAMIC / ANALOG DEVICES
Trinamic Motion Control
Trinamic Motion Control GmbH

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