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Data Sheet
TPS53315 12-A Step-Down Regulator with Integrated Switcher
1 Features
- 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 shutdown current
- Auto-skip Eco-mode for light-load efficiency
- D-CAP integrated circuit 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 through external
resistor
- Overvoltage, undervoltage, UVLO, and
overtemperature protection
- Support all ceramic output capacitors
- Open drain power-good indication
- 40-pin VQFN package with thermal pad
2 Applications
- Server and desktop computers
- Notebook computers
- Telecommunication equipments
