1 Features

• AEC-Q100 qualified for automotive applications

– Device temperature grade 1: –40°C to 125°C ambient operating temperature range

• Input voltage range: 0.9V to 5.5V

• Output voltage range: 2.6V to 5.5V

– Fixed 5V or adjustable Vout: TPS61129-Q1

– Fixed 3.85V Vout: TPS611291-Q1

– Fixed 5.15V Vout: TPS611292-Q1

– 275Ω output discharge resistance at EN = 0

• Typical 5μA quiescent current into VOUT pin

• Typical 0.01μA quiescent current into VIN pin

• Typical 100nA shutdown current

• Peak switching current limit: 3.5A typical

• Integrated LS / HS FET: 125mΩ / 145mΩ

• Switching frequency:

– 2.2MHz for TPS61129-Q1

– 2.0MHz for TPS611291-Q1

• ±6% spread spectrum modulation (SSEN enable)

• Auto PFM, forced PWM mode, SYNC selectable

• Down mode operation when Vin is close to or higher than Vout

• Windowed power good (PGOOD)

• True disconnect during shutdown

• OVP and thermal shutdown protections

• Output short-circuit protection

• 3mm × 3mm VSON-11 wettable flank package