LTC3630EMSE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LTC3630EMSE#PBF is a wide input voltage synchronous buck DC/DC converter from Analog Devices operating from 4 V to 65 V input and delivering up to 500 mA adjustable output from 0.8 V to 65 V. Housed in a 16-pin MSOP package, it features Burst Mode operation for high efficiency at light loads and targets industrial, automotive, and instrumentation power supplies.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 12
- Lifecycle
- ACTIVE
- Datasheet
- LTC3630EMSE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.4200(MOQ 1)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 4 V to 65 V input range for direct operation from 12 V, 24 V, 48 V, or automotive 60 V bus
- Adjustable output voltage from 0.8 V to 65 V covers a broad range of system supply requirements
- 500 mA output current with Burst Mode operation for high light-load efficiency in battery-managed systems
- Fixed 3.3 V and 5 V output versions also available for simplified BOM in standard-rail designs
- 16-pin MSOP package enabling compact high-voltage buck converter implementation with minimal external components
Applications
The LTC3630EMSE#PBF is suited for industrial sensors, programmable logic controllers, and fieldbus nodes that operate from 24 V or 48 V rails and require an efficient step-down to 3.3 V, 5 V, or a custom analog voltage. Automotive subsystems, including dashboard electronics and telematics modules connected to a 12 V or 48 V vehicle bus, benefit from its wide input tolerance and Burst Mode efficiency at idle. Bench and portable test instruments also use it as a flexible adjustable supply rail where the output can be programmed over a wide range without changing hardware.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1871 |
| YTEOL | 10 |
| Additional Feature | 3.3 AND 5 VOLT FIXED OUTPUT VOLTAGE ALSO AVAILABLE, ADJUSTABLE OUTPUT MODE FROM 0.8 TO 65 VOLT |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | BURST MODE |
| Input Voltage-Max | 65V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G12 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 1.4A |
| Output Voltage-Max | 65V |
| Output Voltage-Min | 0.8V |
| Output Voltage-Nom | 1.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP12/16,.19,20 |
| 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 |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LTC3630EMSE#PBF support, and can it operate from a 48 V industrial bus?
The LTC3630EMSE#PBF accepts input voltages from 4 V to 65 V, comfortably covering the 48 V nominal bus used in industrial automation and telecom systems. The 65 V maximum also provides headroom for 48 V bus transients and cold-crank automotive 42 V applications without requiring additional input protection.
How does the Burst Mode feature of the LTC3630EMSE#PBF improve efficiency at light loads?
In Burst Mode, the LTC3630EMSE#PBF skips switching cycles when the output capacitor holds sufficient charge, reducing switching frequency and gate-drive losses. This allows the converter to maintain high efficiency at load currents well below 500 mA, which is critical for battery-powered and always-on industrial systems where standby current determines battery life.
What is the adjustable output voltage range of the LTC3630EMSE#PBF, and how is it set?
The LTC3630EMSE#PBF can be adjusted from 0.8 V to 65 V via an external resistor divider from the output to the feedback pin, which is referenced to an internal 0.8 V reference. Fixed 3.3 V and 5 V variants are also available in the same package, so designers can choose between a single programmable device or dedicated fixed-output versions depending on BOM simplicity requirements.
What output current can the LTC3630EMSE#PBF deliver, and is that sufficient for powering an ARM Cortex-M microcontroller with peripherals?
The LTC3630EMSE#PBF provides up to 500 mA of continuous output current. An ARM Cortex-M4 microcontroller with active peripherals typically draws 50 mA to 200 mA from its 3.3 V rail. The 500 mA rating provides sufficient margin for the MCU core, flash memory, SRAM, GPIO loads, and communication interfaces without approaching the current limit.
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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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.0482 | $5.05 |
| 1000+ | $4.4200 | $4420.00 |
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