LT8630IFE#PBF Analog Devices Integrated Circuit (Other) In Stock
Analog Devices LT8630IFE#PBF is a current-mode PWM switching regulator supporting 3V to 100V input with adjustable output from 0.8V to 60V. Offers high-voltage conversion efficiency in a TSSOP-20 package for industrial and automotive power supply designs.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LT8630IFE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.4400(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 3V to 100V input voltage range supporting automotive, industrial, and high-voltage power supply applications without additional protection circuitry
- Adjustable output voltage from 0.8V to 60V via current-mode PWM control for precise regulation across a broad output range
- Current-mode control architecture providing inherent cycle-by-cycle current limiting and fast transient response for demanding load conditions
- TSSOP-20 package enabling compact high-voltage DC-DC converter layouts with minimal external components
Applications
The LT8630IFE#PBF is designed for high-voltage step-down (buck) power conversion in industrial automation, telecommunications infrastructure, and automotive systems where input rails can reach 100V. Its adjustable 0.8V to 60V output range makes it versatile for generating multiple regulated rails from a single high-voltage bus. The current-mode PWM architecture ensures stable regulation with fast transient response, making it well-suited for powering processors, FPGAs, and mixed-signal loads in harsh environments.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1924 |
| YTEOL | 8.5 |
| Additional Feature | OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 60V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 100V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.6A |
| Output Voltage-Max | 60V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16/20,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Supply Current-Max (Isup) | 0.65mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Other |
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 is the input voltage range of LT8630IFE#PBF and which industrial bus voltages does it support directly?
The LT8630IFE#PBF accepts input voltages from 3V to 100V, directly supporting 12V, 24V, 48V, and 72V industrial bus standards without additional series protection. This wide range makes it suitable for motor drives, PLC power supplies, and off-line industrial converters that must handle transients up to 100V.
How is the output voltage of LT8630IFE#PBF set, and what is the minimum achievable output?
Output voltage is adjusted via an external resistor divider connected to the feedback pin, allowing the output to be set anywhere from 0.8V to 60V. The 0.8V minimum output reference enables direct regulation of low-voltage logic rails such as 1.0V or 1.2V digital core supplies from a high-voltage input without intermediate converter stages.
What control architecture does LT8630IFE#PBF use and how does current-mode PWM benefit transient response?
The LT8630IFE#PBF uses current-mode pulse width modulation (PWM) control, which senses inductor current on a cycle-by-cycle basis. This provides automatic cycle-by-cycle current limiting, improves line transient rejection, and simplifies loop compensation compared to voltage-mode control, resulting in faster load step response—critical for powering processors with rapidly changing current demands.
For a 48V industrial rack power supply that must deliver a regulated 5V rail, is LT8630IFE#PBF a suitable single-stage solution?
Yes. With a 48V input well within the 3V to 100V range, and a 5V target output within the 0.8V to 60V adjustable range, the LT8630IFE#PBF can perform this single-stage step-down conversion. Set the resistor divider for 5V output, select an appropriate inductor and capacitor for the switching frequency, and the TSSOP-20 device handles the full conversion in a compact PCB footprint.
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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+ | $12.1000 | $12.10 |
| 10+ | $8.3150 | $83.15 |
| 19+ | $7.2100 | $136.99 |
| 1000+ | $5.4400 | $5440.00 |
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