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IC REG LIN 3.3V/5V 300MA 8MSOP
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 Level H2
– Device CDM ESD Classification Level C3B
• Device Junction Temperature Range: –40°C to 150°C
• 3-V to 40-V Wide VIN Input Voltage Range With up to 45-V Transient
• Maximum Output Current: 300 mA
• Low Quiescent Current IQ:
– 300 nA Typical When EN Low (Shutdown Mode)
– 2.7 µA Typical at Light Loads
– 5 µA Maximum at Light Loads
• 2% Output-Voltage Accuracy
• Maximum Dropout Voltage: 700 mV at 200-mA Load Current for Fixed 5-V Output Version
• Stable With Low-ESR (0.001-Ω to 5-Ω) Ceramic Output-Stability Capacitor (1 µF to 200 µF)
• Fixed 5-V and 3.3-V Output Voltage
• Integrated Fault Protection:
– Thermal Shutdown
– Short-Circuit and Overcurrent Protection
• Thermal Resistance (RθJA): 63.9°C/W
• 8-Pin MSOP Package
2 Applications
• Cluster Power Supply
• Body Control Modules
• Always-ON Battery-Connected Applications
– Gateway Applications
– Remote Keyless Entry Systems
• Powering MCUs and CAN/LIN Transceivers
3 Description
In automotive battery-connected applications, low quiescent current (IQ) is important to save power and extend battery lifetime. It is especially necessary to have ultralow IQ for always-on systems.
The TPS7B82-Q1 is a low-dropout linear regulator designed for up to 40-V VIN applications. With only 2.7-µA typical quiescent current at light load, it is an optimal solution for powering microcontrollers and CAN/LIN transceivers in standyby systems.
The device features integrated short-circuit and overcurrent protection. This device operates in ambient temperatures from –40°C to 125°C and with junction temperatures from –40°C to 150°C.
Additionally, this device uses a thermally conductive package to enable sustained operation despite significant dissipation across the device. Because of these features, the device is well suited as a power supply for various automotive applications.
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