Part Details for LTM4644IY-1#PBF by Linear Technology
Results Overview of LTM4644IY-1#PBF by Linear Technology
- Distributor Offerings: (1 listing)
- 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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Applications
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
LTM4644IY-1#PBF Information
LTM4644IY-1#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 LTM4644IY-1#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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Win Source Electronics | LTM4644 - Quad DC/DC μModule (Power Module) Regulator with Configurable 4A Output Array | 1870 |
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$90.1902 / $107.5344 | Buy Now |
Part Details for LTM4644IY-1#PBF
LTM4644IY-1#PBF CAD Models
LTM4644IY-1#PBF Part Data Attributes
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LTM4644IY-1#PBF
Linear Technology
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Datasheet
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LTM4644IY-1#PBF
Linear Technology
LTM4644 - Quad DC/DC µModule (Power Module) Regulator with Configurable 4A Output Array; Package: BGA; Pins: 77; Temperature Range: -40°C to 85°C
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP | |
| Part Package Code | BGA | |
| Package Description | BGA-77 | |
| Pin Count | 77 | |
| Manufacturer Package Code | BGA | |
| Reach Compliance Code | compliant | |
| Date Of Intro | 2016-12-05 | |
| Additional Feature | OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 14 V | |
| Input Voltage-Min | 4 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PBGA-B77 | |
| JESD-609 Code | e1 | |
| Length | 15 mm | |
| Number of Functions | 1 | |
| Number of Terminals | 77 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | BGA | |
| Package Shape | RECTANGULAR | |
| Package Style | GRID ARRAY | |
| Seated Height-Max | 5.21 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 1300 kHz | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | TIN SILVER COPPER | |
| Terminal Form | BALL | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | BOTTOM | |
| Width | 9 mm |
LTM4644IY-1#PBF Frequently Asked Questions (FAQ)
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A 4-layer PCB with a solid ground plane and thermal vias is recommended. The top layer should have a wide copper pour connected to the GND pin, and the bottom layer should have a solid ground plane. This layout helps to dissipate heat efficiently.
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To ensure accurate and stable output voltage, it's essential to use a high-quality output capacitor with low ESR and a sufficient capacitance value. Additionally, the input voltage should be well-regulated, and the output voltage should be decoupled from the input voltage using a capacitor.
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The maximum input voltage that can be applied to the LTM4644IY-1#PBF is 15V. Exceeding this voltage may damage the device.
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To protect the LTM4644IY-1#PBF from overcurrent and overheating, it's recommended to add an overcurrent protection circuit and a thermal shutdown circuit. The overcurrent protection circuit should be designed to limit the output current to a safe value, and the thermal shutdown circuit should be designed to turn off the device when the junction temperature exceeds 150°C.
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A 10uF to 22uF X5R or X7R ceramic capacitor is recommended for the input capacitor. This type of capacitor provides low ESR and high ripple current capability, ensuring stable input voltage and minimizing voltage drops.