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Description
Product Overview
LT®3073 is a low voltage, ultra-low noise and ultra-fast transient response linear regulator. The device supplies up to 3A with a typical dropout voltage of 45mV. A 4.7µF reference bypass capacitor decreases output voltage noise to 1.2µVRMS. The wide bandwidth and high PSRR permit the use of small ceramic capacitors, saving bulk capacitance and cost. The LT3073 is ideal for powering high-performance FPGAs, data converters, RF, and noise-sensitive signal chain applications. A precision current monitor provides power monitoring for system energy management, while precision current limiting allows users to minimize input power supply size and cost. Built-in protection includes UVLO, internal current limit, and thermal shutdown with hysteresis. Typical applications are RF power supplies: PLLs, VCOs, mixers, LNAs, PAs, high speed/high precision data converters, low noise instrumentation, post-regulator for switching supplies, FPGA and DSP power supplies, medical applications.
- Ultra-fast transient response, parallel multiple devices for higher current
- Stable with ceramic output capacitors (10μF minimum)
- VIOC pin to control upstream switching converter
- Power good (PG) flag, temperature monitor
- IN pin voltage is 5.5V maximum (COUT = 22μF, CREF= 4.7μF, CBIASF = 2.2μF, RMON =0.8Kohm)
- BIAS pin voltage range from 2.375 to 5.5V (COUT = 22μF, CREF= 4.7μF, CBIASF = 2.2μF, RMON =0.8Kohm)
- Output RMS noise is 1.2μVRMS typ (BW = 10Hz to 100KHz, CREF =4.7μF)
- VIN ripple rejection is 96dB typ (VRIPPLE = 50mVP-P, fRIPPLE = 120Hz, IOUT = 3A)
- 22-lead LQFN package
- Temperature rating range from -40°C to +125°C
Notes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product details
| Output Type | Adjustable |
| Output Voltage - Nom | - |
| Output Voltage Max | 4.2V |
| Input Voltage Max | 5.5V |
| Output Current Max | 3A |
| IC Case / Package | LQFN-EP |
| IC Mounting | Surface Mount |
| Operating Temperature Max | 125°C |
| MSL | MSL 3 - 168 hours |
| No. of Outputs | 1Outputs |
| Output Voltage Min | 500mV |
| Input Voltage Min | 600mV |
| Product Range | Adj 3A Linear Voltage Regulators |
| Max Output Current | 3A |
| No. of Pins | 22Pins |
| Operating Temperature Min | -40°C |
| Qualification | - |
| SVHC | No SVHC (04-Feb-2026) |
Other details
| Brand | ANALOG DEVICES |
| Part Number | LT3073AV#PBF |
| Quantity | Each |
| Product Change Notice (49.63KB) EN | View or download |
| Technical Data Sheet (1.02MB) EN | View or download |
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 2227.74 |
| 3-5 | ₹ 2205.0 |
| 5-10 | ₹ 2159.54 |
| 10+ | ₹ 2114.08 |
Bulk discount will be automatically applied during checkout based on quantity.