LT8300IS5#PBF Analog Devices Integrated Circuit (SOT23 (5-Pin)) In Stock
LT8300IS5#PBF is a micropower isolated flyback DC/DC converter with an integrated 150 V, 260 mA switch supporting up to 100 V input. It operates in current-mode burst control, delivering isolated bias supplies in a compact SOT-23-5 package for industrial and high-voltage applications.
- Manufacturer
- Analog Devices
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LT8300IS5#PBF Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 6 V to 100 V input voltage range covers industrial 24 V and 48 V bus rails
- Integrated 150 V / 260 mA power switch eliminates external FET for isolated flyback designs
- Current-mode burst control minimizes standby power for micropower bias supply applications
- Compact SOT-23-5 package enables high-voltage isolated supply in minimum board area
- Delivers isolated gate drive bias, analog sensor power, and low-side feedback rails
- Fixed-frequency and burst-mode operation balance regulation accuracy against quiescent draw
Applications
LT8300IS5#PBF is used to generate isolated 5 V, 12 V, or 15 V bias supplies in industrial automation, motor drives, and power metering equipment operating from 24 V or 48 V DC rails. Its 100 V input tolerance makes it well-suited for isolated gate driver power, field instrument signal conditioning, and isolated sensor excitation in high-voltage environments.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1635 |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | BURST MODE |
| Input Voltage-Max | 100V |
| Input Voltage-Min | 6V |
| Input Voltage-Nom | 24V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.292A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 780kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does LT8300IS5#PBF support and which bus voltages does that cover?
LT8300IS5#PBF accepts an input voltage from 6 V to 100 V, comfortably spanning standard 12 V, 24 V, and 48 V industrial DC bus rails while tolerating transients up to the 100 V rated maximum.
What power switch is integrated in LT8300IS5#PBF and does it need an external FET?
The IC integrates a 150 V, 260 mA N-channel MOSFET power switch, so no external switching transistor is required, reducing component count and simplifying the isolated flyback converter PCB layout.
How does burst-mode control in LT8300IS5#PBF reduce standby power in always-on industrial equipment?
Current-mode burst control skips switching pulses when the output capacitor is adequately charged, lowering average quiescent current to the microamp range and making LT8300IS5#PBF practical for 24-hour always-on instrumentation with tight power budgets.
Is LT8300IS5#PBF suitable for a compact gate-driver bias supply on a 600 V motor drive board?
Yes. The SOT-23-5 package occupies minimal PCB area and the 100 V input rating allows operation from a rectified 48 V bus, making LT8300IS5#PBF a compact solution for isolated 15 V gate driver bias on medium-voltage motor drive boards.
What is the RoHS and lead-free status of LT8300IS5#PBF for compliance documentation?
The #PBF suffix on LT8300IS5#PBF denotes a lead-free, RoHS-compliant part with a tin-silver-copper solder finish, and the SOT-23-5 package is rated as a surface-mount component for standard reflow assembly at temperatures up to 260°C.
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