TPS71257 Series
250-mA, dual-channel low-dropout voltage regulator with enable
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
250-mA, dual-channel low-dropout voltage regulator with enable
| Part | Mounting Type | Output Type | Voltage - Input (Max) [Max] | Output Configuration | Current - Supply (Max) [Max] | Package / Case | Current - Output | Protection Features | Voltage - Output (Min/Fixed) | Control Features | Supplier Device Package | Voltage Dropout (Max) | PSRR [Min] | PSRR [Max] | Number of Regulators | Operating Temperature [Max] | Operating Temperature [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPS71257DRCR | Surface Mount | 27.03 °C/W | 5.5 V | Positive | 600 µA | 10-VFDFN Exposed Pad | 250 mA | Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) | 2.85 V | Enable, Power Good | 10-VSON (3x3) | 0.4 V | 54 dB | 59 dB | 2 | 125 °C | -40 °C |
Texas Instruments TPS71257DRCT | Surface Mount | 27.03 °C/W | 5.5 V | Positive | 600 µA | 10-VFDFN Exposed Pad | 250 mA | Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) | 2.85 V | Enable, Power Good | 10-VSON (3x3) | 0.4 V | 54 dB | 59 dB | 2 | 125 °C | -40 °C |
Key Features
• Dual 250 mA High-Performance RF LDOsAvailable in Fixed and AdjustableVoltage Options (1.2 V to 5.5 V)High PSRR: 65 dB at 10 kHzUltraLow Noise: 32 µVrmsFast Start-Up Time: 60 µsStable with 2.2 µF Ceramic CapacitorExcellent Load/Line Transient ResponseVery Low Dropout Voltage: 125 mV at 250 mAIndependent Enable PinsThermal Shutdown and Independent Current LimitAvailable in Thermally-Enhanced SON Package: 3mm × 3mm × 1mmAPPLICATIONSCellular and Cordless PhonesWireless PDA/Handheld ProductsPCMCIA/Wireless LAN ApplicationsDigital Camera/Camcorder/Internet AudioDSP/FPGA/ASIC/Controllers and ProcessorsDual 250 mA High-Performance RF LDOsAvailable in Fixed and AdjustableVoltage Options (1.2 V to 5.5 V)High PSRR: 65 dB at 10 kHzUltraLow Noise: 32 µVrmsFast Start-Up Time: 60 µsStable with 2.2 µF Ceramic CapacitorExcellent Load/Line Transient ResponseVery Low Dropout Voltage: 125 mV at 250 mAIndependent Enable PinsThermal Shutdown and Independent Current LimitAvailable in Thermally-Enhanced SON Package: 3mm × 3mm × 1mmAPPLICATIONSCellular and Cordless PhonesWireless PDA/Handheld ProductsPCMCIA/Wireless LAN ApplicationsDigital Camera/Camcorder/Internet AudioDSP/FPGA/ASIC/Controllers and Processors
Description
AI
The TPS712xx family of low-dropout (LDO) voltage regulators is tailored to noise-sensitive and RF applications. These products feature dual 250 mA LDOs with ultralow noise, high power-supply rejection ratio (PSRR), and fast transient and start-up response. Each regulator output is stable with low-cost 2.2 µF ceramic output capacitors and features very low dropout voltages (125 mV typical at 250 mA). Each regulator achieves fast start-up times (approximately 60 µs with a 0.001 µF bypass capacitor) while consuming very low quiescent current (300 µA typical with both outputs enabled). When the device is placed in standby mode, the supply current is reduced to less than 0.3 µA typical. Each regulator exhibits approximately 32 µrms of output voltage noise with VOUT= 2.8 V and a 0.01 µF noise reduction (NR) capacitor. Applications with analog components that are noise-sensitive, such as portable RF electronics, will benefit from high PSRR, low noise, and fast line and load transient features. The TPS712 family is offered in a thin 3mm × 3mm SON package and is fully specified from –40°C to +125°C (TJ).
The TPS712xx family of low-dropout (LDO) voltage regulators is tailored to noise-sensitive and RF applications. These products feature dual 250 mA LDOs with ultralow noise, high power-supply rejection ratio (PSRR), and fast transient and start-up response. Each regulator output is stable with low-cost 2.2 µF ceramic output capacitors and features very low dropout voltages (125 mV typical at 250 mA). Each regulator achieves fast start-up times (approximately 60 µs with a 0.001 µF bypass capacitor) while consuming very low quiescent current (300 µA typical with both outputs enabled). When the device is placed in standby mode, the supply current is reduced to less than 0.3 µA typical. Each regulator exhibits approximately 32 µrms of output voltage noise with VOUT= 2.8 V and a 0.01 µF noise reduction (NR) capacitor. Applications with analog components that are noise-sensitive, such as portable RF electronics, will benefit from high PSRR, low noise, and fast line and load transient features. The TPS712 family is offered in a thin 3mm × 3mm SON package and is fully specified from –40°C to +125°C (TJ).