LTC3542ES6#TRMPBF Analog Devices Integrated Circuit (SOT23 (6-Pin)) In Stock
The LTC3542ES6#TRMPBF is a synchronous step-down DC-DC converter from Analog Devices operating from 2.5 V to 5.5 V input and delivering an adjustable 0.6 V to 5.5 V output at up to 0.5 A in a 6-pin TSOT-23 package. It uses current-mode burst mode control for ultra-low quiescent current in battery-powered automotive and portable devices. Available worldwide for compact power management applications.
- Manufacturer
- Analog Devices
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- LTC3542ES6#TRMPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2400(MOQ 19)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Synchronous step-down converter with 2.5 V to 5.5 V input range and 0.6 V to 5.5 V adjustable output for versatile battery-powered designs
- 0.5 A output current capability in a tiny 6-pin TSOT-23 package enabling compact PCB layouts with minimal board area
- Current-mode burst mode control achieving ultra-low quiescent current for extended battery life in IoT and wearable applications
- Automotive-grade design qualified for -40°C to 125°C operating temperature range in demanding under-hood and harsh environment use cases
- High switching efficiency with synchronous rectification eliminating external Schottky diode and reducing BOM cost in step-down converter designs
Applications
The LTC3542ES6#TRMPBF is ideal for battery-powered portable electronics, wearables, and IoT sensors requiring efficient voltage step-down from single-cell Li-Ion or AA/AAA battery inputs at 2.5 V to 5.5 V. Its automotive-grade temperature rating of -40°C to 125°C makes it suitable for in-vehicle infotainment modules, telematics units, and sensor nodes operating under harsh thermal conditions. The ultra-compact 6-pin TSOT-23 package and burst mode operation enable high-efficiency power management in space-constrained medical monitors and handheld instruments.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1636 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | BURST MODE |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.5V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.5A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.5mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2700kHz |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | SOT23 (6-Pin) |
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 input and output voltage ranges does the LTC3542ES6#TRMPBF support for battery-powered designs?
The LTC3542ES6#TRMPBF accepts an input voltage from 2.5 V to 5.5 V and produces an adjustable output from 0.6 V to 5.5 V at up to 0.5 A. This range makes it compatible with single-cell Li-Ion batteries (3.6 V nominal), 3.3 V or 5 V regulated rails, and AA/AAA battery stacks in portable consumer and automotive electronics designs.
How does burst mode control in the LTC3542ES6#TRMPBF extend battery runtime in portable applications?
Burst mode control allows the LTC3542ES6#TRMPBF to skip switching pulses at light loads, reducing quiescent current to microamp levels and improving light-load efficiency significantly compared to fixed-frequency converters. For a wearable device drawing less than 10 mA average, this can extend battery life by 20% to 40% compared to a non-burst-mode 0.5 A synchronous step-down regulator of similar specifications.
Is the LTC3542ES6#TRMPBF suitable for automotive applications, and what temperature range does it cover?
Yes, the LTC3542ES6#TRMPBF is automotive-grade and operates across -40°C to 125°C, meeting the thermal demands of in-vehicle power rails and under-hood sensor modules. Its 2.5 V to 5.5 V input range is compatible with 3.3 V and 5 V regulated automotive ECU power buses, making it appropriate for telematics, body control modules, and ADAS sensor voltage regulators.
What external components are needed to complete a power supply design using the LTC3542ES6#TRMPBF?
A complete LTC3542ES6#TRMPBF design requires a small inductor (typically 1 µH to 4.7 µH), input and output ceramic capacitors (typically 10 µF each), and two resistors to set the output voltage via the feedback divider. The synchronous rectifier is integrated, eliminating the need for an external Schottky diode, and the 6-pin TSOT-23 package keeps total solution footprint under 10 mm² for compact PCB designs.
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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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