LT3033IUDC#PBF Analog Devices Integrated Circuit (Other) In Stock
LT3033IUDC#PBF is an adjustable 3 A low-dropout linear regulator from Analog Devices with only 95 mV typical dropout voltage and up to 9.8 V input-output differential, housed in a 20-pin QFN package.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LT3033IUDC#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.4200(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT3033IUDC#PBF?
- Ultra-low 95 mV typical dropout voltage at 3 A output enables efficient regulation from near-rail input supplies
- Adjustable output voltage with 3 A continuous current for powering FPGAs, processors, and analog circuits
- Wide input-output differential up to 9.8 V covers a broad range of input supply voltages
- Compact 20-pin QFN (3 mm × 4 mm) package integrates protection features for high-density power designs
What is LT3033IUDC#PBF used for?
The LT3033IUDC#PBF is designed for post-regulation after switching converters in FPGA, DSP, and ASIC power trees where the 95 mV dropout voltage minimises power dissipation while delivering a clean 3 A regulated output. Its adjustable output is also valuable in RF and mixed-signal subsystems that require low-noise linear supply rails with fast transient response. Industrial instruments and test equipment benefit from the device's combination of high current capacity and very low dropout in a compact 20-pin QFN footprint.
What are the specifications of LT3033IUDC#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1536 |
| Date Of Intro | 2018-08-14 |
| YTEOL | 10 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.24V |
| Dropout Voltage1-Nom | 0.095V |
| Input-Output Voltage Differential-Max | 9.8V |
| Input-Output Voltage Differential-Min | 0.94V |
| JESD-30 Code | R-PQCC-N20 |
| JESD-609 Code | e3 |
| Line Regulation-Max (%/V) | 0.07054 |
| Load Regulation-Max(%) | 1% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 3A |
| Output Voltage1-Max | 9.7V |
| Output Voltage1-Min | 0.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.12X.16,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LT3033IUDC#PBF datasheet?
LT3033IUDC#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT3033IUDC#PBF?
Compatible alternatives and drop-in replacements for LT3033IUDC#PBF:
suggested
suggested
Frequently Asked Questions
How low is the dropout voltage of LT3033IUDC#PBF and why is that important in FPGA power designs?
The LT3033IUDC#PBF has a typical dropout voltage of only 95 mV at 3 A output, meaning it can regulate correctly with an input just 95 mV above the output rail. In FPGA power trees where a 1.8 V core rail is derived from a 2 V switcher output, this ultra-low dropout minimises thermal dissipation and improves efficiency.
What output current does LT3033IUDC#PBF support for powering multiple digital loads simultaneously?
LT3033IUDC#PBF provides up to 3 A continuous output current, sufficient to power a mid-range FPGA core, a DDR memory controller, or multiple high-speed digital ICs from a single linear post-regulator. The adjustable output covers the common 0.8 V to 5 V range used by modern processors.
When is LT3033IUDC#PBF preferred over a buck converter for noise-sensitive analog or RF circuits?
Linear regulators like the LT3033IUDC#PBF produce no switching noise, making them the preferred choice for RF VCO supply rails, ADC reference supplies, and precision analog circuits where a buck converter's 300 kHz to 3 MHz ripple would degrade SNR or phase noise. The 3 A capacity handles most analog subsystem loads without an additional switcher.
What is the maximum allowable input-output voltage differential for LT3033IUDC#PBF in a 12 V to 3.3 V regulation scenario?
The LT3033IUDC#PBF supports a maximum input-output differential of 9.8 V, so it can be directly connected between a 12 V rail and a 3.3 V output rail without violating device limits. For a 12 V input and 3.3 V output, the differential is 8.7 V, which falls comfortably within the 9.8 V maximum, though thermal management of the 26 W dissipation at full 3 A load is critical.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.0700 | $8.07 |
| 2+ | $5.3800 | $10.76 |
| 1000+ | $4.4200 | $4420.00 |
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