TPS7B770x-Q1, Automotive, Single- and Dual-Channel Antenna LDO With Current Sense

1 Features

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 2
- Device CDM ESD Classification C4B
Single and Dual-Channel LDO With Current Sense and Adjustable Current-Limit
4.5-V to 40-V Wide Input Voltage Range, 45-V Load Dump
Power Switch Mode When Tying FB to GND
1.5-V to 20-V Adjustable Output Voltage
Up to 300-mA Output Current per Channel
Adjustable Current-Limit With External Resistor
High Accuracy Current-Sense to Detect Antenna Open Condition at Low Current Without Further Calibration
High Power-Supply Rejection Ratio: Typical 73 dB at 100 Hz
Integrated Reverse-Polarity Protection, Down to –40 V and No Need for External Diode
500-mV Max Dropout Voltage at 100-mA Load
Stable With Output Capacitor in 2.2-µF to 100-µF Range (ESR 1 mΩ to 5 Ω)
Integrated Protection and Diagnostics
- Thermal Shutdown
- Undervoltage Lockout (UVLO)
- Short-Circuit Protection
- Reverse Battery Polarity Protection
- Reverse-Current Protection
- Output Short-to-Battery Protection
- Output Inductive Load Clamp
- Multiplexing Current Sense Between Channels and Devices
- Ability to Distinguish All Faults With Current Sense
16-Pin HTSSOP PowerPAD™ Package