
The TPS7A33 is part of a new-generation linear regulator family that employs a novel bipolar technology to provide ultralow noise and very high PSRR levels over a wide input voltage and current range. Check out more details of the device.
The TPS7A33 is part of a new-generation linear regulator family that employs a novel bipolar technology to provide ultralow noise and very high PSRR levels over a wide input voltage and current range. Check out more details of the device.
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Mar 24, 2022
Crystal Field

The TPS7A33 is part of a new-generation linear regulator family that employs a novel bipolar technology to provide ultralow noise and very high PSRR levels over a wide input voltage and current range. Check out more details of the device.
The TPS7A33 is part of a new-generation linear regulator family that employs a novel bipolar technology to provide ultralow noise and very high PSRR levels over a wide input voltage and current range. This device is suited for high-performance analog applications due to these qualities, as well as the external heatsink-capable, high thermal performance TO-220 packaging.

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3D Model

• Input Voltage Range: –3 V to –36 V
• Noise:
– 16 μVRMS (10 Hz to 100 kHz)
• Power-Supply Ripple Rejection:
– 72 dB (10 kHz)
• Adjustable Output: –1.18 V to –33 V
• Maximum Output Current: 1 A
• Stable With Ceramic Capacitors ≥ 10 μF
• Built-In Current-Limit and Thermal Shutdown Protection
• Available in an External Heatsink-Capable, High Thermal Performance TO-220 Package
• Operating Temperature Range: –40°C to 125°C

| MIN | NOM | MAX | UNIT | ||
| VIN | Input supply voltage | -35 | -3 | V | |
| VEN | Enable supply voltage | Vin | 10 | v | |
| VoUT | Output voltage | -33.2 | VREF | v | |
| IOUT | Output current | 0 | 1 | A | |
| R2⑴ | R2 is the lower feedback resistor | 240 | kQ | ||
| CIN | Input capacitor | 10 | 47 | pF | |
| cout | Output capacitor | 10 | 47 | pF | |
| CNR | Noise reduction capacitor | 1 | pF | ||
| CFF | Feed-forward capacitor | 10 | nF | ||
| Tj | Operating junction temperature | -40 | 125 | °C | |
| Part Number | Description | Manufacturer |
| TPS7A3301KCPOWER CIRCUITS | -3V to -36V Vin, 1A output current, ultra-low-noise, high-PSRR, low-dropout (LDO) linear regulator 7-TO-220 -40 to 125 | Texas Instruments |
| TPS7A3301RGWRPOWER CIRCUITS | 1-A, high-PSRR, negative, adjustable low-dropout voltage regulator with enable 20-VQFN -40 to 125 | Texas Instruments |
Texas Instruments TPS7A3301RGWT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TPS7A3301RGWT.
| Product Attribute | Attribute Value | |
|---|---|---|
| Lifecycle Status | ACTIVE (Last Updated: 3 days ago) | |
| Factory Lead Time | 6 Weeks | |
| Contact Plating | Gold | |
| Mounting Type | Surface Mount | |
| Package / Case | 20-VQFN Exposed Pad | |
| Surface Mount | YES | |
| Number of Pins | 20Pins | |
| Operating Temperature | -40°C~125°C | |
| Packaging | Tape & Reel (TR) | |
| JESD-609 Code | e4 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | |
| Number of Terminations | 20Terminations | |
| ECCN Code | EAR99 | |
| Packing Method | TR | |
| Terminal Position | QUAD | |
| Peak Reflow Temperature (Cel) | 260 |
| Product Attribute | Attribute Value | |
|---|---|---|
| Number of Functions | 1Function | |
| Base Part Number | TPS7A3301 | |
| Pin Count | 20 | |
| Current - Supply (Max) | 950μA | |
| Number of Outputs | 1Output | |
| Output Voltage | -33V | |
| Output Type | Adjustable | |
| Max Output Current | 1A | |
| Max Supply Voltage | -36V | |
| Min Supply Voltage | -3V | |
| Output Configuration | Negative | |
| Quiescent Current | 210μA | |
| Control Features | Enable, Soft Start | |
| Accuracy | 1.5 % | |
| Max Output Voltage | -33V | |
| Number of Regulators | 1Regulator | |
| Min Input Voltage | -3V | |
| Protection Features | Over Current, Over Temperature |
| Product Attribute | Attribute Value | |
|---|---|---|
| Current - Quiescent (Iq) | 100μA | |
| Voltage Dropout (Max) | 0.8V @ 1A | |
| PSRR | 72dB (10kHz) | |
| Reference Voltage | -1.157V | |
| Dropout Voltage | 325mV | |
| Dropout Voltage1-Nom | 0.29V | |
| Min Output Voltage | -1.18V | |
| Output Voltage Accuracy | 1.5 % | |
| Max Junction Temperature (Tj) | 125°C | |
| Height | 1mm | |
| Length | 5mm | |
| Width | 5mm | |
| Thickness | 900μm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
• Supply Rails for Operational Amplifiers, DACs,ADCs, and Other High-Precision Analog Circuitry
• Audio
• Post DC-DC Converter Regulation and Ripple Filtering
• Test and Measurement
• Medical
• Industrial Instrumentation
• Base Stations and Telecom Infrastructure
• 12-V and 24-V Industrial Buses

TPS7A33 Typical Application Circuit

Texas Instruments Incorporated (TI) is an American technology company based in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the top 10 semiconductor companies worldwide based on sales volume. The company's focus is on developing analog chips and embedded processors, which account for more than 80% of its revenue. TI also produces TI digital light processing technology and education technology products including calculators, micro-controllers, and multi-core processors. The company boasts 45,000 patents around the globe as of 2016.
Download datasheets and manufacturer documentation for TPS7A3301RGWT
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