EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. MAX17250 2.7V to 18V Input, Boost Converter with 0.1A True Shutdown, Short-Circuit Protection and Selectable Input Current Limit General Description Benefits and Features The MAX17250 DC-DC boost converter is a high-efficiency, Input Voltage Range 2.7V to 18V low quiescent current, synchronous boost (step-up) 1 or 2 Cell Li-ion Batteries converter with True Shutdown, program mable input Output Voltage Range 3V to 18V, > V IN current limit, and short-circuit protection. The MAX17250 Integrated Power FETs has a wide input voltage range of 2.7V to 18V and Selectable Input Peak Current Limit (ISET) generates an output voltage of 3V to 18V. The MAX17250 3.5A, 2.7A, or 1.85A has a maximum on-time of 800ns and implements three modes of operation. The first mode of operation is a 93% Efficiency soft-start mode at power-up. The second mode of Low Power operation is normal operation and utilizes a fixed on-time/ 0.1A True Shutdown Current minimum off-time Pulse Frequency Modulation (PFM) 60A Quiescent Current architecture that uses only 60A (typ) quiescent Protection current due to the converter switching only when needed. True Shutdown Prevents Current Flowing Between The last mode is True Shutdown, where the output is Input and Output completely disconnected from the input, and the battery Soft-Start Inrush Protection drain is minimized to 0.1A (typ) shutdown current. The Short-Circuit Protection MAX17250 is available in a compact, 12-bump, 1.72mm Overtemperature Protection x 1.49mm WLP or a 14-pin, 3mm x 3mm TDFN package. -40C to +125C Operation Applications Digital Cameras Battery Powered Internet of Things (IoT) Device Ordering Information appears at end of data sheet. 1 or 2 Cell Li-ion Battery Applications Display Supply Buzzer/Alarm Driver True Shutdown is a trademark of Maxim Integrated Products. Typical Application Circuit L 3.0V to 8.4V 2.2H 0.1F 12V IN LX OUT IN BST OUT CIN PVH COUT 2x10F CPVH 10F Rz 2x22F EN 4.7nF GND EN MAX17250 1k R1 84.5k VL ISET FB VL 2.2F R2 AGND PGND 10k 19-100359 Rev 2 10/19MAX17250 2.7V to 18V Input, Boost Converter with 0.1A True Shutdown, Short-Circuit Protection and Selectable Input Current Limit Absolute Maximum Ratings IN, LX, OUT, PVH to AGND...................................-0.3V to +22V TDFN Continuous Power Dissipation BST to LX.................................................................-0.3V to +6V (T = +70C, derate 24.4mW/C above +70C.).....1951.2mW A EN, ISET, FB, VL to AGND......................................-0.3V to +6V Operating Temperature Range.......................... -40C to +125C PGND to AGND.....................................................-0.3V to +0.3V Junction Temperature.......................................................+150C WLP LX RMS Current.............................-3.2A to +3.2A Storage Temperature Range............................. -65C to +150C RMS RMS TDFN LX RMS Current.......................-2.58A to +2.58A Lead Temperature (soldering, 10 seconds)......................+300C RMS RMS Short-Circuit Between OUT and GND........................Continuous Soldering Temperature (reflow)........................................+260C WLP Continuous Power Dissipation (T = +70C, derate 13.7mW/C above +70C.)........1096mW A 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 14-TDFN Package Code T1433+2C Outline Number 21-0137 Land Pattern Number 90-0063 Thermal Resistance, Single-Layer Board: Junction to Ambient ( ) 54C/W JA Junction to Case ( ) 8C/W JC Thermal Resistance, Four-Layer Board: Junction to Ambient ( ) 41C/W JA Junction to Case ( ) 8C/W JC 12-WLP Package Code N121B1+1 Outline Number 21-100158 Land Pattern Number Refer to Application Note 1891 Thermal Resistance, Four-Layer Board: Junction to Ambient ( ) 72.82C/W JA Junction to Case ( ) N/A JC 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. 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. Maxim Integrated 2 www.maximintegrated.com