LT3020IDD#PBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
The LT3020IDD#PBF is a 100 mA very low dropout linear voltage regulator from Analog Devices, featuring a maximum dropout voltage of only 285 mV at full load across the -40°C to +125°C industrial temperature range. It operates with input voltages as low as 1 V and is housed in an 8-pin DFN package for compact low-power designs. Designed for powering noise-sensitive analog and RF circuits in portable, battery-powered, and wearable applications.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT3020IDD#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5000(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low dropout voltage of 285 mV maximum at 100 mA enabling efficient regulation from thin-battery or near-depleted cell supplies
- Wide input voltage range starting from 1 V supporting sub-1.5 V battery-powered and energy-harvesting circuit designs
- 100 mA output current with low quiescent current for extended battery runtime in IoT and wearable devices
- Industrial temperature range of -40°C to +125°C ensuring reliable operation in harsh field environments
- Compact 8-pin DFN package with small footprint enabling dense PCB layouts in handheld and wearable electronics
Applications
The LT3020IDD#PBF is used as a post-regulator on switching power supply outputs to eliminate switching noise on sensitive analog, RF, and sensor supply rails in portable medical devices, wearable fitness trackers, and IoT sensor nodes. Its ultra-low 285 mV dropout allows it to regulate down to near-depleted lithium-ion cell voltages, maximizing usable battery energy in single-cell 3.7 V powered products. The device also serves as a precision low-noise supply for op-amp reference voltages, RF front-end modules, and MEMS sensor power inputs in designs requiring sub-10 µV/√Hz supply noise performance.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1698 |
| YTEOL | 10 |
| Dropout Voltage1-Max | 0.285V |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 9.5V |
| Output Voltage1-Min | 0.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the dropout voltage of the LT3020IDD#PBF, and why does it matter for battery-powered designs?
The LT3020IDD#PBF has a maximum dropout voltage of 285 mV at 100 mA output current. For a single-cell lithium-ion battery discharging from 4.2 V down to 3.0 V, this low dropout allows the regulator to maintain a 3.0 V output rail until the battery voltage drops to 3.285 V, extracting approximately 30% more battery capacity compared to a standard LDO with 1 V dropout before the output falls out of regulation.
For RF front-end or sensor supply filtering, what noise performance does the LT3020IDD#PBF provide?
The LT3020IDD#PBF provides very low output noise, typically below 30 µV RMS in the 10 Hz to 100 kHz bandwidth, which is critical for powering RF oscillators, VCOs, and precision ADC reference pins where supply noise directly adds phase noise or degrades SNR. Using the LT3020IDD#PBF as a post-regulator after a 5 V switching supply can reduce supply noise by 40 dB or more, achieving sub-10 µV/√Hz spectral noise density at 1 kHz for sensitive analog front ends.
How does the LT3020IDD#PBF's 8-pin DFN package compare in size to TO-92 or SOT-23 LDO alternatives?
The 8-pin DFN package measures approximately 3 mm x 3 mm with 0.65 mm pin pitch and an exposed bottom pad, which is comparable in footprint to an SOT-23-5 package at 2.9 mm x 1.6 mm but offers better thermal dissipation through the ground pad. Compared to a TO-92 through-hole LDO occupying a 5 mm x 5 mm PCB keep-out area, the LT3020IDD#PBF's DFN package reduces board area by over 70%, enabling higher component density in wearable device PCBs where space is measured in square millimeters.
When is LT3020IDD#PBF a better choice than a switching regulator for powering a sensor or ADC?
The LT3020IDD#PBF is preferred over a switching regulator when the load current is below 100 mA and supply noise must remain below 50 µV RMS, because switching regulators generate 10 mV to 100 mV of ripple at switching frequencies of 1 MHz to 4 MHz that requires multiple LC filter stages to attenuate. The LDO's inherent low-pass characteristic achieves 60 dB rejection of input supply noise above 1 kHz with no external filter components, simplifying BOM and reducing design time for noise-sensitive pressure sensors, temperature measurement ICs, and precision reference circuits.
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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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3100 | $2.31 |
| 100+ | $1.7300 | $173.00 |
| 1000+ | $1.5000 | $1500.00 |
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