TPS7A8500 Series
4-A, low-VIN, low-noise, ultra-low-dropout voltage regulator with power good with high-accuracy
Manufacturer: Texas Instruments
Catalog(2 parts)
| Part | Current - Output▲▼ | PSRR▲▼ | PSRR▲▼ | Current - Supply (Max)▲▼ | Package / Case | Operating Temperature▲▼ | Operating Temperature▲▼ | Voltage Dropout (Max)▲▼ | Protection Features | Voltage - Output (Max)▲▼ | Voltage - Input (Max)▲▼ | Number of Regulators▲▼ | Mounting Type | Output Type | Output Configuration | Control Features | Voltage - Output (Min/Fixed)▲▼ | Current - Quiescent (Iq)▲▼ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPS7A8500ARGRRLinear Voltage Regulator IC Positive Adjustable/Programmable 1 Output 4A 20-VQFN (3.5x3.5) | 4 A | 25 ul | 42 ul | 0.006000000052154064 A | 20-VFQFN Exposed Pad | 125 °C | -40 °C | 0.5 V | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | 5.099999904632568 V | 6.5 V | 1 ul | Surface Mount | Adjustable/Programmable | Positive | Enable, Power Good, Soft Start | 0.800000011920929 V | 0.004000000189989805 A |
Texas Instruments TPS7A8500RGRRLinear Voltage Regulator IC Positive Adjustable/Programmable 1 Output 4A 20-VQFN (3.5x3.5) | 4 A | 25 ul | 42 ul | 0.006000000052154064 A | 20-VFQFN Exposed Pad | 125 °C | -40 °C | 0.5 V | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | 5 V | 6.5 V | 1 ul | Surface Mount | Adjustable/Programmable | Positive | Enable, Power Good, Soft Start | 0.800000011920929 V | 0.004000000189989805 A |
Key Features
• Low Dropout: 150 mV (typ) at 4 A1% (max) Accuracy Over Line, Load, and TemperatureOutput Voltage Noise:4.4 µVRMSat 0.8-V Output8.4 µVRMSat 5.0-V OutputInput Voltage Range:Without BIAS: 1.4 V to 6.5 VWith BIAS: 1.1 V to 6.5 VANY-OUT Operation:Output Voltage Range: 0.8 V to 3.95 VAdjustable Operation:Output Voltage Range: 0.8 V to 5.0 VPower-Supply Ripple Rejection:40 dB at 500 kHzExcellent Load Transient ResponseAdjustable Soft-Start In-Rush ControlOpen-Drain Power-Good (PG) OutputStable with a 47-µF or Larger Ceramic Output CapacitorOperating Temperature Range:–40ºC to +125°C3.5-mm × 3.5-mm, 20-Pin VQFNLow Dropout: 150 mV (typ) at 4 A1% (max) Accuracy Over Line, Load, and TemperatureOutput Voltage Noise:4.4 µVRMSat 0.8-V Output8.4 µVRMSat 5.0-V OutputInput Voltage Range:Without BIAS: 1.4 V to 6.5 VWith BIAS: 1.1 V to 6.5 VANY-OUT Operation:Output Voltage Range: 0.8 V to 3.95 VAdjustable Operation:Output Voltage Range: 0.8 V to 5.0 VPower-Supply Ripple Rejection:40 dB at 500 kHzExcellent Load Transient ResponseAdjustable Soft-Start In-Rush ControlOpen-Drain Power-Good (PG) OutputStable with a 47-µF or Larger Ceramic Output CapacitorOperating Temperature Range:–40ºC to +125°C3.5-mm × 3.5-mm, 20-Pin VQFN
Description
AI
The TPS7A85 is a low-noise (4.4 µVRMS), low-dropout linear regulator (LDO) capable of sourcing 4 A with only 240 mV of maximum dropout. The device output voltage is pin-programmable from 0.8 V to 3.95 V and adjustable from 0.8 V to 5.0 V using an external resistor divider.
The combination of low-noise (4.4 µVRMS), high-PSRR, and high output current capability makes the TPS7A85 ideal to power noise-sensitive components such as those found in high-speed communications, video, medical, or test and measurement applications. The high performance of the TPS7A85 limits power-supply-generated phase noise and clock jitter, making this device ideal for powering high-performance serializer and deserializer (SerDes), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and RF components. Specifically, RF amplifiers benefit from the high-performance and 5.0-V output capability of the device.
For digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input voltage, low-output (LILO) voltage operation, the exceptional accuracy (0.75% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A85 ensure optimal system performance.
The versatility of the TPS7A85 makes the device a component of choice for many demanding applications.
The TPS7A85 is a low-noise (4.4 µVRMS), low-dropout linear regulator (LDO) capable of sourcing 4 A with only 240 mV of maximum dropout. The device output voltage is pin-programmable from 0.8 V to 3.95 V and adjustable from 0.8 V to 5.0 V using an external resistor divider.
The combination of low-noise (4.4 µVRMS), high-PSRR, and high output current capability makes the TPS7A85 ideal to power noise-sensitive components such as those found in high-speed communications, video, medical, or test and measurement applications. The high performance of the TPS7A85 limits power-supply-generated phase noise and clock jitter, making this device ideal for powering high-performance serializer and deserializer (SerDes), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and RF components. Specifically, RF amplifiers benefit from the high-performance and 5.0-V output capability of the device.
For digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input voltage, low-output (LILO) voltage operation, the exceptional accuracy (0.75% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A85 ensure optimal system performance.
The versatility of the TPS7A85 makes the device a component of choice for many demanding applications.