Part Details for LT3845AMPFE#PBF by Linear Technology
Results Overview of LT3845AMPFE#PBF by Linear Technology
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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LT3845AMPFE#PBF Information
LT3845AMPFE#PBF by Linear Technology is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LT3845AMPFE#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 188 |
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RFQ | ||
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Vyrian | Other Function Semiconductors | 124 |
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RFQ |
Part Details for LT3845AMPFE#PBF
LT3845AMPFE#PBF CAD Models
LT3845AMPFE#PBF Part Data Attributes
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LT3845AMPFE#PBF
Linear Technology
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Datasheet
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LT3845AMPFE#PBF
Linear Technology
LT3845A - High Voltage Synchronous Current Mode Step-Down Controller with Adjustable Operating Frequency; Package: TSSOP; Pins: 16; Temperature Range: -55°C to 125°C
Select a part to compare: |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP | |
| Part Package Code | TSSOP | |
| Package Description | 4.40 MM, LEAD FREE, PLASTIC, TSSOP-16 | |
| Pin Count | 16 | |
| Manufacturer Package Code | FE | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE UP TO 36V | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Input Voltage-Max | 60 V | |
| Input Voltage-Min | 4 V | |
| Input Voltage-Nom | 20 V | |
| JESD-30 Code | R-PDSO-G16 | |
| JESD-609 Code | e3 | |
| Length | 5 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Voltage-Nom | 8 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HTSSOP | |
| Package Equivalence Code | TSSOP16,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.1 mm | |
| Surface Mount | YES | |
| Switcher Configuration | PUSH-PULL | |
| Switching Frequency-Max | 500 kHz | |
| Technology | CMOS | |
| Temperature Grade | MILITARY | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.65 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 4.4 mm |
LT3845AMPFE#PBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LT3845AMPFE#PBF is 42V, but it's recommended to keep it below 40V for reliable operation.
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To ensure the stability of the output voltage, make sure to follow the recommended layout and component selection guidelines in the datasheet, and also consider the output capacitor's ESR and ESL values.
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The LT3845AMPFE#PBF is rated for operation up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure proper thermal management and derate the output current accordingly.
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The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where Iout is the output current, ESL is the output capacitor's equivalent series inductance, Cout is the output capacitance, and fsw is the switching frequency.
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The recommended PCB layout involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the high-current paths. Refer to the datasheet for a detailed layout example.