1 Features
1• Qualified for automotive applications
• AEC-Q100 qualified with the following results:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature range
– Device HBM ESD classification level 2
– Device CDM ESD classification level C4B
• Input voltage: 2.7 V to 6.5 V
• 500-mA low-dropout regulator with EN
• Low IQ: 46 μA
• Multiple output voltage versions available:
– Fixed outputs of 1 V to 4.3 V
– Adjustable outputs from 1.25 V to 6 V
• High PSRR: 68 dB at 1 kHz
• Low noise: 13.2 μVRMS
• Fast startup time: 45 μs
• Stable with a low-ESR, 2-μF output capacitor
• Excellent load and line transient response
• 2% overall accuracy
(load, line, temperature, VOUT > 2.2 V)
• Low dropout: 280 mV at 500 mA
• 3-mm × 3-mm VSON-8 packages

2 Applications
• Automotive infotainment
• Navigation systems
• WiFi, WiMax modules
• Telematics systems
• Microprocessor power

3 Description
The TPS735-Q1 family of low-dropout (LDO), lowpower
linear regulators offers excellent ac
performance with very low ground current. High
power-supply rejection ratio (PSRR), low noise, fast
start-up, and excellent line and load transient
responses are provided while consuming a very low
46 μA (typical) ground current.
The TPS735-Q1 family of devices is stable with
ceramic capacitors and uses an advanced BiCMOS
fabrication process to yield a typical dropout voltage
of 280 mV at 500-mA output. The TPS735-Q1 family
of devices uses a precision voltage reference and
feedback loop to achieve overall accuracy of 2%
(VOUT > 2.2 V) over all load, line, process, and
temperature variations. This family of devices is fully
specified from TA = –40°C to 125°C and is offered in
a low-profile, 3-mm × 3-mm VSON package.