LTC3862EFE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC3862EFE#PBF is a multi-phase current-mode step-up (boost) DC/DC controller in a 24-pin SSOP package, operating from 4 V to 36 V input with PWM control for high-power LED drivers, industrial boost converters, and battery backup systems requiring tight current regulation.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- LTC3862EFE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.7000(MOQ 1)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC3862EFE#PBF?
- Multi-phase current-mode boost control from 4 V to 36 V input enabling high-power step-up conversion with interleaved switching for reduced input ripple
- Current-mode PWM architecture delivering cycle-by-cycle peak current limiting and fast load transient response
- 24-pin SSOP package with exposed thermal pad facilitating efficient heat dissipation in compact power supply designs
- Supports multi-phase paralleling for high output current applications exceeding single-phase current limits
What is LTC3862EFE#PBF used for?
The LTC3862EFE#PBF is used in high-power LED backlighting systems, industrial boost converters, and UPS battery backup circuits where multi-phase current-mode control reduces input current ripple and allows higher output power than single-phase alternatives. Its 4 V to 36 V input range also makes it suitable for 12 V to 48 V boost stages in telecom equipment and 24 V industrial panel power supplies requiring tight output voltage regulation.
What are the specifications of LTC3862EFE#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1771 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 36V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP24,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 3mA |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 500kHz |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| 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 | Thailand |
Where can I find the LTC3862EFE#PBF datasheet?
LTC3862EFE#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC3862EFE#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does LTC3862EFE#PBF support and what output voltages can it boost to?
The LTC3862EFE#PBF accepts input voltages from 4 V to 36 V. As a boost controller it can regulate output voltages significantly above the input; in a typical 12 V to 48 V boost application it maintains tight output regulation through current-mode PWM control, making it suitable for generating 48 V bus rails from 12 V intermediate bus supplies in telecom and industrial equipment.
How does multi-phase operation in LTC3862EFE#PBF reduce input ripple current compared to single-phase boost converters?
In a 2-phase interleaved configuration using LTC3862EFE#PBF, the two switching phases operate 180 degrees out of phase, so their input current ripples partially cancel. This can reduce peak input ripple current by up to 50% compared to a single-phase design at the same total output power, allowing smaller input capacitors — for example, 2 x 47 µF instead of a single 220 µF bulk capacitor.
What overcurrent protection mechanism does LTC3862EFE#PBF provide and why is it important in boost converter designs?
The LTC3862EFE#PBF implements cycle-by-cycle peak current limiting through current-mode control, terminating each switching cycle when the sensed inductor current exceeds the programmed threshold. This protects the external power MOSFETs from destructive overcurrent events during load steps or short-circuit conditions, which is especially important in boost topologies where output shorts can cause very high inductor current ramp rates at input voltages above 20 V.
In what situations would a designer select LTC3862EFE#PBF over a single-phase boost controller for an LED driver application?
When the LED string requires more than 5 A of continuous current from a 12 V source — exceeding what a single-phase boost with practical 7 A inductor can deliver — paralleling two phases with LTC3862EFE#PBF doubles effective current capacity. The interleaved 2-phase operation also cuts input capacitor size by roughly 50%, reducing BOM cost and board space in high-power 50 W to 100 W LED driver designs for industrial lighting.
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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 |
|---|---|---|
| 1+ | $10.8500 | $10.85 |
| 10+ | $7.4060 | $74.06 |
| 19+ | $6.2300 | $118.37 |
| 250+ | $5.8800 | $1470.00 |
| 500+ | $5.2900 | $2645.00 |
| 1000+ | $4.7000 | $4700.00 |
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