TPS7B87-Q1 500-mA, 40-V, Low-Dropout Regulator With Power-Good

1 Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
- Junction temperature: –40°C to +150°C, T_J
Input voltage range: 3 V to 40 V (42 V max)
Output voltage range: 3.3 V and 5 V (fixed)
Maximum output current: 500 mA
Output voltage accuracy: ±0.85% (max)
Low dropout voltage:
- 475 mV (max) at 450 mA
Low quiescent current:
- 17 µA (typ) at light loads
Excellent line transient response:
- ±2% V_OUT deviation during cold-crank
- ±2% V_OUT deviation (1-V/µs V_IN slew rate)
Power-good with programmable delay period
Stable with a 2.2-µF or larger capacitor
Functional Safety-Capable
- Documentation available to aid functional safety system design
Package options:
- 5-pin TO-252 package: 29.7°C/W R_θJA
- 8-pin HSOIC-8 package with thermal pad: 41.8°C/W R_θJA