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The TPL910Q series is a 1-A high-current, 4.9-μVRMSlow-noise, 78-dB high-PSRR linear regulator with 500-mVmaximum ultra-low dropout voltage at 1-A load current.The TPL910Q supports adjustable output voltage rangingfrom 0.8 V to 5 V with an external resistor divider.Ultra-low noise, high PSRR, and high output currentcapabilities make the TPL910Q the ideal power supplyfor noise-sensitive applications, such as high-speedcommunication facilities, and high-definition imagingequipment. With accurate output voltage tolerance,excellent transient response, and adjustable soft-startcontrol, the TPL910Q is an optimal power supply for thelarge-scale processors or digital loads, such as automotiveECUs.The TPL910Q provides a DFN3X3-8 package withguaranteed operating ambient temperature ranging from–40°C to +125°C.
Features
• Qualified for Automotive Applications
– AEC-Q100 Grade 1, TA:–40°C to +125°C
– Junction Temperature, TJ: –40°C to +150°C
• Input Voltage Range: 2.2 V to 5.5 V
• Output Voltage Option:
– Adjustable Output Voltage: 0.8 V to 5 V
• ±2% Accuracy over Line Regulation, Load Regulation,and Operating Temperature Range
• 1-A Maximum Output Current
• Low Dropout Voltage: 500 mV Maximum at 1 A
• High PSRR:
– 78 dB at 1 kHz
– 51 dB at 100 kHz
• 4.9-μVRMS Output Voltage Noise
• Excellent Transient Response
• Stable with a 4.7-μF or Greater Ceramic OutputCapacitor
• Protection:
– Over-Current Protection
– Over-Temperature Protection
• Package Options:
– DFN3X3-8
Applications
• Automotive RF Power Supply
• Automotive Telematics Power Supply
• Automotive ECU Power Supply
Features
• Qualified for Automotive Applications
– AEC-Q100 Grade 1, TA:–40°C to +125°C
– Junction Temperature, TJ: –40°C to +150°C
• Input Voltage Range: 2.2 V to 5.5 V
• Output Voltage Option:
– Adjustable Output Voltage: 0.8 V to 5 V
• ±2% Accuracy over Line Regulation, Load Regulation,and Operating Temperature Range
• 1-A Maximum Output Current
• Low Dropout Voltage: 500 mV Maximum at 1 A
• High PSRR:
– 78 dB at 1 kHz
– 51 dB at 100 kHz
• 4.9-μVRMS Output Voltage Noise
• Excellent Transient Response
• Stable with a 4.7-μF or Greater Ceramic OutputCapacitor
• Protection:
– Over-Current Protection
– Over-Temperature Protection
• Package Options:
– DFN3X3-8
Applications
• Automotive RF Power Supply
• Automotive Telematics Power Supply
• Automotive ECU Power Supply