Features for the TPS53315 Conversion Input Voltage Range: 3 V to 15 V VDD Input Voltage Range: 4.5 V to 25 V Output Voltage Range: 0.6 V to 5.5 V 5-V LDO Output Integrated Power MOSFETs with 12-A Continuous Output Current <10-µA Shut Down Current Auto-Skip Eco-mode™ for Light-Load Efficiency D-CAP™ Mode with Fast Transient Response Selectable Switching Frequency from 250 kHz to 1 MHz with an External Resistor Built-in 1%, 0.6-V Reference 0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable Internal Voltage Servo Soft-Start Pre-Charged Start-up Capability Integrated Boost Switch Adjustable Overcurrent Limit Via External Resistor Overvoltage/Undervoltage, UVLO and Over- Temperature Protection Support All Ceramic Output Capacitors Open Drain Power Good Indication 40-pin VQFN Package with Thermal Pad Description for the TPS53315 TPS53315 is a D-CAP™ mode, 12-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and small package power systems. This device features single-rail input support, one 19-mΩ and one 7-mΩ integrated MOSFET, accurate 1%, 0.6 V Reference, and integrated boost switch. A sample of competitive features include: greater than 96% maximum efficiency, 3 V to 15 V wide input voltage range, very low external component count, D-CAP™ mode control for super fast transient, selectable auto-skip and PWM operation, internal soft-start control, adjustable frequency, and no need for compensation. The conversion input voltage ranges from 3 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V. The TPS53315 is available in a 5 mm × 7 mm 40-pin, VQFN package and is specified from –40°C to 85°C.