LT3489EMS8E#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LT3489EMS8E#TRPBF is a current-mode PWM boost DC-DC converter accepting 2.6 V to 16 V input and producing up to 40 V output at 5 A switch current in an 8-pin MSOP with exposed pad. It delivers high-efficiency step-up conversion for applications requiring wide input range and high output voltage. Ideal for LED drivers, OLED bias supplies, and battery-powered handheld instruments needing compact, high-voltage boost regulation.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT3489EMS8E#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.7100(MOQ 19)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT3489EMS8E#TRPBF?
- Wide 2.6 V to 16 V input range covering single-cell Li-Ion to multi-cell battery stacks in boost designs
- Up to 40 V output voltage at 5 A peak switch current enabling high-power LED drivers and OLED bias
- Current-mode PWM control for fast transient response and inherent cycle-by-cycle current limiting
- Compact 8-pin MSOP with exposed pad for efficient thermal management in high-density PCB layouts
What is LT3489EMS8E#TRPBF used for?
The LT3489EMS8E#TRPBF is designed for portable and industrial applications requiring a wide-input-range, high-output-voltage boost regulator. Its 2.6 V to 40 V conversion range covers LED backlight drivers, OLED display bias supplies, and piezoelectric actuator drive circuits powered from 1-cell to 4-cell lithium-ion battery stacks. The current-mode PWM architecture and exposed-pad MSOP package deliver high efficiency and compact thermal performance in space-constrained handheld and industrial instruments.
What are the specifications of LT3489EMS8E#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 2.6V |
| Input Voltage-Nom | 3V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 5A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 2200kHz |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| 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 LT3489EMS8E#TRPBF datasheet?
LT3489EMS8E#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT3489EMS8E#TRPBF?
Compatible alternatives and drop-in replacements for LT3489EMS8E#TRPBF:
Switching Regulator, Current-mode, 5A, 2200kHz Switching Freq-Max, PDSO8
Frequently Asked Questions
What output voltage can the LT3489EMS8E#TRPBF achieve and at what peak switch current?
The LT3489EMS8E#TRPBF can boost its output up to 40 V while supporting a 5 A peak switch current, making it capable of driving high-power LED strings or charging capacitors for industrial flash circuits from a 2.6 V to 16 V input source. The 5 A switch rating allows the converter to deliver substantial output power even from a low-voltage single-cell battery input.
How does current-mode PWM control in the LT3489EMS8E#TRPBF benefit load transient performance in LED driver designs?
Current-mode PWM control in the LT3489EMS8E#TRPBF provides an inner current feedback loop that responds to load transients faster than voltage-mode architectures, typically recovering regulation within a few microseconds. This fast response is critical in LED backlighting where sudden dimming steps or inrush events must not cause output voltage spikes that could exceed the LED string's 40 V maximum rating.
For a single-cell Li-Ion powered handheld instrument, why is the LT3489EMS8E#TRPBF's input range well-suited?
A single-cell lithium-ion battery discharges from approximately 4.2 V fully charged to 2.7 V at cutoff, which falls entirely within the LT3489EMS8E#TRPBF's 2.6 V to 16 V input range. This means the boost converter maintains regulation across the full battery discharge cycle without the need for a pre-regulation stage or low-battery cutoff circuit external to the IC.
What thermal advantage does the exposed-pad MSOP package of the LT3489EMS8E#TRPBF offer in high-current designs?
The 8-pin MSOP package with exposed pad allows the LT3489EMS8E#TRPBF's die to conduct heat directly to the PCB copper ground plane, significantly reducing thermal resistance compared to a standard MSOP without an exposed pad. This means the converter can sustain higher continuous output power in a footprint of roughly 3 mm x 5 mm without exceeding the junction temperature limit under typical 5 A switching conditions.
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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+ | $3.5900 | $68.21 |
| 500+ | $2.9500 | $1475.00 |
| 1000+ | $2.7100 | $2710.00 |
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