LTC3115HFE-1#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC3115HFE-1#TRPBF is a 40V input, 2A synchronous buck-boost converter using voltage-mode PWM control with 2.7V to 40V adjustable input range. It provides regulated output even when input voltage crosses output voltage, making it ideal for wide-range supply rails. Suited for automotive, industrial, and battery-powered systems requiring seamless buck-boost operation.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LTC3115HFE-1#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.6800(MOQ 1)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC3115HFE-1#TRPBF?
- 2.7V to 40V wide input voltage range enabling operation across automotive 12V/24V bus, industrial 24V, and battery discharge profiles
- 2A continuous output current with synchronous buck-boost topology eliminating efficiency loss from Schottky diodes
- Seamless buck-to-boost transition maintaining regulated output as input voltage passes through the output voltage setpoint
- Voltage-mode PWM control with adjustable output voltage from 2.7V to 40V for flexible power system design
- MSOP-12 package with exposed pad providing low thermal resistance for 2A continuous power delivery
What is LTC3115HFE-1#TRPBF used for?
The LTC3115HFE-1#TRPBF is optimized for 12V to 24V automotive infotainment systems, industrial 24V field instruments, and battery-powered equipment where input voltage may vary above and below the required output voltage during charge/discharge cycles. Its seamless buck-boost transition ensures uninterrupted 2A output during automotive load-dump events and battery voltage sag in Li-Ion powered portable industrial tools. The 40V input rating supports direct connection to 36V battery stacks and 24V industrial bus rails with transient protection headroom.
What are the specifications of LTC3115HFE-1#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1663 (CA) |
| YTEOL | 10 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 2.7 TO 40V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 24V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 2A |
| Output Voltage-Max | 40V |
| Output Voltage-Min | 2.7V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 2000kHz |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| 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 LTC3115HFE-1#TRPBF datasheet?
LTC3115HFE-1#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC3115HFE-1#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LTC3115HFE-1#TRPBF support and how does this accommodate automotive battery fluctuations?
The LTC3115HFE-1#TRPBF accepts input voltages from 2.7V to 40V, covering the full automotive 12V battery range from cold-crank sag at 6V to load-dump transients at 36V. This wide range allows a single converter to operate reliably through all normal automotive electrical conditions without additional transient suppression, making it suitable for always-on automotive ECU rails and infotainment power stages.
How does the LTC3115HFE-1#TRPBF handle the transition between buck and boost modes and why does this matter for battery applications?
The LTC3115HFE-1#TRPBF uses a 4-switch synchronous topology that transitions seamlessly between buck and boost modes as input voltage crosses the output setpoint, maintaining regulated 2A output without glitches or duty-cycle discontinuities. In Li-Ion battery applications discharging from 4.2V to 2.7V with a 3.3V output requirement, this ensures continuous operation across the full battery state of charge without dropout.
What output current does the LTC3115HFE-1#TRPBF deliver and how does synchronous rectification improve efficiency at 2A loads?
The LTC3115HFE-1#TRPBF delivers up to 2A continuous output current using synchronous rectification, replacing diode rectifiers with low-resistance MOSFETs with on-resistance below 200 mΩ. At 2A output, this eliminates approximately 0.4V of forward-drop loss compared to Schottky diodes, improving efficiency by 4% to 8% in 5V output applications powered from 12V automotive or 24V industrial supply rails.
For which temperature ranges is the LTC3115HFE-1#TRPBF rated and does it qualify for automotive or extended industrial use?
The LTC3115HFE-1#TRPBF (H-grade) is rated for -40°C to +125°C junction temperature, covering both automotive and extended industrial operating environments. This temperature range qualifies it for under-hood automotive modules, outdoor industrial field transmitters, and motor drive auxiliary supplies where ambient temperatures regularly reach 85°C and junction temperatures approach 125°C at 2A continuous load.
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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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|---|---|---|
| 1+ | $12.3100 | $12.31 |
| 18+ | $11.2782 | $203.01 |
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