TPS7A3501 High PSRR, Low-Noise, 1 A Power Filter

TI's power filter is capable of sourcing a 1 A load suitable for quiet-supply solutions

Image of Texas Instruments' TPS7A3501 High PSRR, Low-Noise, 1 A Power FilterTexas Instruments' TPS7A3501 is a positive voltage, low-noise (3.8 µVRMS) power filter capable of sourcing a 1 A load suitable for quiet-supply solutions. Power filters, such as the TPS7A3501, provide voltage regulation across the input and output terminals with high efficiency (low insertion loss), and power-supply rejection. The device is ideally-suited as a noise filter for 3.3 V, 2.5 V, and 1.8 V supplies at up to 1 A.

The input-to-output voltage regulation is also user-programmable from 200 mV to 500 mV with a single external resistor. If no resistor is used, the TPS7A3501 provides 330 mV of input-to-output voltage regulation. The device is stable with 10 µF input and output ceramic capacitors and a 10 nF noise-reduction ceramic capacitor.

The TPS7A3501 is fully specified over a wide temperature of –40°C to +125°C. The device is offered in a low thermal resistance, 2 × 2 mm SON-6 package. Unlike passive filters, the TPS7A3501 provides thermal and current protection for itself and surrounding circuitry.

TPS7A3501 Power Filter

ImageManufacturer Part NumberDescriptionPart StatusRegulator TopologyAvailable Quantity
TPS7A3501DRVT datasheet linkIC REG LDO ADJ 1A 6SONTPS7A3501DRVTIC REG LDO ADJ 1A 6SONActivePositive Adjustable474 - Immediate
10000 - Factory Stock
TPS7A3501DRVT product page link

TPS7A3501 Evaluation Kit

ImageManufacturer Part NumberDescriptionPart StatusEmbeddedAvailable Quantity
TPS7A3501EVM-547 datasheet linkEVAL KIT FOR TPS7A3501TPS7A3501EVM-547EVAL KIT FOR TPS7A3501Active-3 - Immediate
2 - Factory Stock
TPS7A3501EVM-547 product page link
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Published: 2014-04-15