LT8606EMSE#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The Analog Devices LT8606EMSE#TRPBF is a 42 V input, 350 mA synchronous step-down switching regulator featuring an ultra-low 2.5 µA quiescent current and current-mode PWM control. Housed in a 10-lead MSOP package, it delivers high efficiency at light loads, making it ideal for battery-powered and always-on industrial systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LT8606EMSE#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7625(MOQ 19)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 2.5 µA quiescent current minimizes battery drain in always-on IoT and industrial sensor nodes
- Wide 3 V to 42 V input range covers automotive, industrial 24 V, and telecom -48 V (via external diode) applications
- 350 mA synchronous step-down output with current-mode PWM control ensures stable regulation under transient loads
- Burst Mode operation maintains high efficiency at light loads below 10 mA output current
- 10-lead MSOP (MSE) package with exposed pad enables compact PCB layout with good thermal dissipation
Applications
The LT8606EMSE#TRPBF is well suited for battery-powered industrial sensors, always-on IoT gateways, and automotive ancillary modules that require stepping down a 12 V or 24 V rail to 3.3 V or 5 V while keeping standby current below 5 µA. Its 42 V input tolerance also serves automotive cold-crank and load-dump scenarios, and its synchronous topology delivers efficiencies exceeding 90% at moderate loads, extending battery life in remote wireless sensor networks.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1664 |
| YTEOL | 8.5 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 42V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 6V |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.35A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Supply Current-Max (Isup) | 0.7mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2200kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| 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 | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 2.5 µA quiescent current of the LT8606EMSE#TRPBF extend battery life in a remote sensor application running from a 3.6 V lithium primary cell?
At 2.5 µA quiescent current with zero load, the LT8606EMSE#TRPBF draws only 9 µAh per hour from the supply rail. On a 3.6 V 2400 mAh AA lithium cell powering a sensor that sleeps 99% of the time and wakes for 10 ms bursts at 50 mA, the regulator's idle consumption extends total battery life by more than 2 years compared to a competitor drawing 50 µA quiescent under the same duty cycle.
Which input voltage scenarios does the LT8606EMSE#TRPBF support, and how does its 42 V maximum VIN handle automotive load-dump events?
The LT8606EMSE#TRPBF accepts input voltages from 3 V to 42 V, comfortably spanning 12 V and 24 V automotive battery rails. In automotive load-dump events the battery rail can spike to 40 V for up to 400 ms; the 42 V absolute maximum input rating absorbs this transient without requiring an external clamp TVS on most 12 V systems, reducing BOM cost by eliminating a discrete protection diode in typical 13.8 V nominal car electronics designs.
For a 24 V industrial sensor node converting to 3.3 V at 200 mA, what efficiency can the LT8606EMSE#TRPBF achieve, and how does Burst Mode help at light load?
At 24 V input, 3.3 V output, and 200 mA load — a conversion ratio of approximately 7:1 — the LT8606EMSE#TRPBF achieves around 85 to 88% efficiency in PWM mode. Below roughly 10 mA load the regulator automatically enters Burst Mode, which skips switching cycles to reduce gate-drive loss, maintaining efficiency above 80% at 1 mA where a continuous-conduction-mode regulator would fall below 50% efficiency and waste milliwatts of precious battery power.
How does the 10-lead MSOP package of the LT8606EMSE#TRPBF compare to a TO-252 or SOT-23 package for thermal management on a compact PCB?
The 10-lead MSOP (MSE variant) includes an exposed thermal pad on the underside that conducts heat directly to the PCB copper pour, achieving a junction-to-board thermal resistance of approximately 40 °C/W. This is lower than a standard SOT-23-5 (approximately 200 °C/W) and comparable to a TO-252 DPAK in well-designed copper-pour layouts, while occupying a PCB footprint under 10 mm² — roughly one-quarter the area of a DPAK — critical for dense sensor board layouts.
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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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| 19+ | $2.1500 | $40.85 |
| 500+ | $1.8668 | $933.40 |
| 1000+ | $1.7625 | $1762.50 |
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