EVALUATION KIT AVAILABLE Click here to ask about the production status of specific part numbers. MAXM17504 4.5V to 60V, 3.5A High-Efficiency, DC-DC Step-Down Power Module with Integrated Inductor General Description Benefits and Features Reduces Design Complexity, Manufacturing Risks, The Himalaya series of voltage regulator ICs, power and Time-to-Market modules, and chargers enable cooler, smaller and simpler Integrated Switching Power Supply Controller and power-supply solutions. The MAXM17504 is an easy- Dual-MOSFET Power Switches to-use, Himalaya step-down power module that com- Integrated Inductor bines a switching power-supply controller, dual n-channel Integrated Compensation Components MOSFET power switches, fully shielded inductor, and the Saves Board Space in Space-Constrained Applications compensation components in a low-profile, thermally-effi- Complete Integrated Step-Down Power Supply in a cient, system-in-package (SiP). The device operates over Single Package Small Profile 9mm x 15mm x 2.8mm SiP Package a wide input voltage range of 4.5V to 60V and delivers up Simplified PCB Design with Minimal External BOM to 3.5A continuous output current with excellent line and Components load regulation over an output voltage range of 0.9V to Offers Flexibility for Power-Design Optimization 12V. The device only requires five external components to Wide Input Voltage Range from 4.5V to 60V complete the total power solution. The high level of inte- Output-Voltage Adjustable Range from 0.9V to 12V gration significantly reduces design complexity, manufac- Adjustable Frequency with External Frequency turing risks, and offers a true plug-and-play power supply Synchronization (100kHz to 1.8MHz) solution, reducing time-to-market. Soft-Start Programmable PWM, PFM, or DCM Current-Mode Control The device can be operated in the pulse-width Optional Programmable EN/UVLO modulation (PWM), pulse-frequency modulation (PFM), or Operates Reliably in Adverse Industrial Environments discontinuous conduction mode (DCM) control schemes. Integrated Thermal Fault Protection Hiccup Mode Overload Protection The MAXM17504 is available in a low-profile, highly RESET Output-Voltage Monitoring thermal-emissive, compact, 29-pin 9mm x 15mm x Wide Industrial Ambient Operating Temperature 2.8mm SiP package that reduces power dissipation in Range (-40C to +125C)/ Junction Temperature the package and enhances efficiency. The package is Range (-40C to +150C) easily soldered onto a printed circuit board and suitable Complies with CISPR22(EN55022) Class B Con- for automated circuit board assembly. The device can ducted and Radiated Emissions operate over a wide industrial temperature range from -40C to +125C. Typical Application Circuit Applications R T Industrial Power Supplies 4.5V TO 60V Distributed Supply Regulation FPGA and DSP Point-of-Load Regulator C IN Base Station Point-of-Load Regulator HVAC and Building Control OPTIONAL Ordering Information appears at end of data sheet. C OUT R U C SS R B 19-7111 Rev 3 5/20MAXM17504 4.5V to 60V, 3.5A High-Efficiency, DC-DC Step-Down Power Module with Integrated Inductor Absolute Maximum Ratings (Notes 1, 2) IN to PGND (Note 2) .............................................-0.3V to +65V BST to PGND ........................................................-0.3V to +70V EN to SGND (Note 2) ............................................-0.3V to +65V BST to V ...........................................................-0.3V to +65V CC V .............................................-0.3V to min (V + 0.3V, 6.5V) BST to LX .............................................................-0.3V to +6.5V CC IN FB, RESET, SS, CF, MODE, Operating Temperature Range ......................... -40C to +125C SYNC, RT to SGND .........................................-0.3V to +6.5V Junction Temperature ......................................................+125C OUT to PGND (V < 25V) .........................-0.3V to (V + 0.3V) Storage Temperature Range ............................ -65C to +125C IN IN OUT to PGND (V 25V) ....................................-0.3V to +25V Lead Temperature (soldering, 10s) .................................+245C IN LX to PGND................................................-0.3V to (V + 0.3V) IN 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 29 SiP Package Code L32915+1 Outline Number 21-0879 Land Pattern Number 90-0459 THERMAL RESISTANCE (Note 3) Junction to Ambient ( ) 30.8C/W JA 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. Note 1: SGND and PGND are internally connected. Note 2: See Pin Description for the connection of the backside exposed pad. Note 3: Data taken using Maxim s MAXM17504 evaluation kit (MAXM17504EVKIT ). 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