Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Data Sheet
LP8772x-Q1
Three Buck Converters, One Linear Regulator and One Load Switch for
mmWave Radar Sensors
1 Features
- AEC-Q100 qualified with the following results:
- Device temperature grade
1: –40°C to +125°C ambient operating temperature
- Functional safety-compliant device
- Developed for functional safety
applications
- Documentation to aid ISO 26262
functional safety system design up to ASIL-B
- BUCK, LDO and load switch output and
Input supply overvoltage and undervoltage monitoring
- Q&A Watchdog
- Level or PWM error signal monitor
(ESM)
- ABIST and CRC
- Input voltage: 3.3 V nominal (3 V to 4 V
range)
- 3 high-efficiency, low noise, high frequency
step-down DC/DC converters:
- Output voltage: 0.8 V, 0.82 V, 0.9 V to 1.9 V with 20 mV output voltage step
- Maximum output current: 3.5 A
- Switching frequency: 4.4 MHz, 8.8 MHz, and 17.6
MHz
- 600 mA linear regulator with bypass \ load switch
mode (LDO_LS1)
- Input voltage, LDO mode: 1.2 V to 4
V
- Output voltage: 0.6 V to 3.4 V with
50 mV output voltage step
- Input voltage, bypass \ load switch
mode: 1.6 V to 3.4 V
- 400 mA load switch (LS2)
- Input voltage range: 1.6 V to 3.6
V
- On resistance 3.3-V input, 200 mA: 75
mΩ -typ
- Output short-circuit and overload protection
- Regulator output dynamic voltage scaling
(DVS) through I2C interface
- Input overvoltage protection (OVP) and
undervoltage lockout (UVLO)
- Two general purpose voltage monitors
shared with LDO_LS1 and LS2 output
- Overtemperature warning and
protection
- I2C interface supporting standard, fast mode,
fast-mode+ and optional I2C address selection
