LT3061EMS8E-5#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The Analog Devices LT3061EMS8E-5#PBF is a 45 V input, 100 mA micropower low-dropout linear regulator fixed at 5 V output with ultra-low noise and an active output discharge feature. It achieves a 0.25 V typical dropout voltage at 100 mA and operates from 5.6 V to 45 V input for high-voltage industrial rails. Available in MSOP-8 package with worldwide stock and competitive pricing.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT3061EMS8E-5#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2800(MOQ 19)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT3061EMS8E-5#PBF?
- 45 V maximum input voltage enables direct regulation from 12 V, 24 V, and 36 V industrial supply rails without a pre-regulator stage
- 100 mA output current with only 0.25 V typical dropout at full load minimizes heat dissipation in high-input-voltage applications
- Ultra-low noise output (below 40 µV RMS from 10 Hz to 100 kHz) suitable for ADC reference supplies and RF PLL power rails
- Active output discharge pulls output to ground within 1 ms when input power is removed, ensuring proper MCU reset sequencing
What is LT3061EMS8E-5#PBF used for?
The LT3061EMS8E-5#PBF is used in industrial data acquisition systems and precision instrumentation that draw power from 12 V to 36 V backplane rails but require a clean 5 V supply for analog front-end circuits, ADC references, and sensor bridges where noise below 40 µV RMS is essential. It is also found in automotive and avionics test equipment that must tolerate wide input voltage excursions from 6 V to 45 V while maintaining regulated 5 V output for sensitive analog measurement nodes. The active output discharge function makes it ideal for power sequencing circuits in FPGAs and DSPs where the 5 V rail must fall to zero volts within 1 ms of power removal to prevent latch-up conditions.
What are the specifications of LT3061EMS8E-5#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 8.5 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.43V |
| Dropout Voltage1-Nom | 0.25V |
| Input Voltage Absolute-Max | 50V |
| Input Voltage-Max | 45V |
| Input Voltage-Min | 5.6V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.033% |
| Load Regulation-Max | 0.036% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 5.1V |
| Output Voltage1-Min | 4.9V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline Packages |
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 LT3061EMS8E-5#PBF datasheet?
LT3061EMS8E-5#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT3061EMS8E-5#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LT3061EMS8E-5#PBF support for industrial power rail applications?
The LT3061EMS8E-5#PBF accepts an input voltage from 5.6 V minimum to 45 V maximum, with an absolute maximum rating of 50 V for transient protection. This range covers 12 V automotive and industrial supply rails, 24 V PLC backplane buses, and 36 V telecom distribution rails simultaneously without any external pass transistor or pre-regulation stage. The 45 V ceiling also provides margin against load-dump transients on 24 V industrial buses, which can reach 40 V during solenoid or relay switching events.
How does the active output discharge feature of LT3061EMS8E-5#PBF benefit power sequencing in FPGA designs?
When input power is removed, the active discharge circuit pulls the 5 V output pin to ground through an internal 20 Ω to 100 Ω path, discharging the output capacitor to below 100 mV within approximately 1 ms for a 10 µF output capacitor. Without active discharge, the output can float for tens to hundreds of milliseconds while capacitors discharge through the load, which can violate the power-down sequencing requirements of FPGAs that mandate the I/O supply falls before the core supply. The LT3061EMS8E-5 eliminates the need for an external load resistor that would waste 2.5 mA to 5 mA continuously during normal operation.
What output noise level does the LT3061EMS8E-5#PBF achieve, and which precision measurement circuits benefit most?
The LT3061EMS8E-5#PBF achieves output noise below 40 µV RMS measured over a 10 Hz to 100 kHz bandwidth, making it one of the quietest 45 V LDOs in an MSOP-8 package. 16-bit and 18-bit ADCs with full-scale references of 5 V require power supply noise below 76 µV RMS to avoid degrading effective number of bits; the 40 µV RMS of the LT3061 provides comfortable margin. RF synthesizer VCO supply pins, oscillator power rails, and strain-gauge amplifier references benefit similarly because any 1 µV of supply noise can modulate phase noise or zero-point offset by a measurable amount.
How does the 0.25 V typical dropout of LT3061EMS8E-5#PBF reduce power dissipation at 100 mA compared to older LDOs?
At 100 mA output current, the LT3061EMS8E-5#PBF dissipates (Vin - 5 V) x 100 mA in heat. With a 12 V input, power dissipation is 700 mW, which the MSOP-8 package handles with proper thermal management. Older LDOs with 1 V dropout at 100 mA add an extra 100 mW of dissipation (0.75 V additional dropout x 100 mA) versus the LT3061, requiring a larger package or heatsink tab. When operated from a 6 V input delivering 5 V at 100 mA, the 0.25 V dropout margin means the LT3061 regulates correctly at 5.75 V input while competing 1 V-dropout parts drop out at 6 V input, losing regulation entirely.
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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.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 19+ | $2.8800 | $54.72 |
| 250+ | $2.5832 | $645.81 |
| 500+ | $2.3968 | $1198.38 |
| 1000+ | $2.3625 | $2362.50 |
| 10000+ | $2.2800 | $22800.00 |
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