TPS746-Q1 Automotive, 1-A LDO With Power-Good in Small Wettable Flank WSON Packages

1 Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Device operating junction temperature range:
- –40°C to +150°C
Package:
- 2-mm × 2-mm wettable flank WSON
- 3-mm × 3-mm wettable flank VSON
Input voltage range: 1.5 V to 6.0 V
Output voltage range:
- Fixed option: 0.65 V to 5.0 V
- Adjustable option: 0.55 V to 5.5 V
High PSRR: 38 dB at 100 kHz
Output accuracy: ±0.85% typical, ±1.5% maximum
Power-good output options:
- Open-drain or push-pull
Ultra-low dropout:
- 265 mV (max) at 1 A (3.3 V_OUT)
Stable with a 1-µF or larger capacitor
Low I_Q: 25 μA (typical)
Active output discharge
Functional Safety-Capable
- Documentation available to aid functional safety system design
Low thermal resistance:
- DRV (6-pin WSON), R_θJA = 80.3°C/W
- DRB (8-pin VSON), R_θJA = 55.5°C/W