LTM4637IY#PBF Analog Devices Integrated Circuit (BGA) In Stock
LTM4637IY#PBF is a µModule DC/DC step-down regulator from Analog Devices featuring adjustable output voltage from 0.6 V to 5.5 V, input voltage range of 4.5 V to 20 V, and current-mode PWM control. The device integrates inductors, MOSFETs, and control circuitry in a compact BGA package for high-density power designs. Available through authorized distributors with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 133
- Lifecycle
- ACTIVE
- Datasheet
- LTM4637IY#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $45.6900(MOQ 1)
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTM4637IY#PBF?
- Adjustable output voltage from 0.6 V to 5.5 V with current-mode PWM control for fast transient response
- Wide input voltage range of 4.5 V to 20 V supporting diverse power rails in industrial and telecom applications
- Fully integrated µModule BGA package including inductor, MOSFETs, and control circuitry for minimal external components
What is LTM4637IY#PBF used for?
The LTM4637IY#PBF is designed for high-density power supply designs in telecommunications infrastructure, industrial automation, and data center equipment where compact footprint and high efficiency are paramount. Its adjustable output from 0.6 V to 5.5 V and input range up to 20 V make it suitable for powering FPGAs, DSPs, and multi-rail processor systems. Engineers use it in space-constrained board designs where integrating discrete switching regulators is not practical.
What are the specifications of LTM4637IY#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1940 |
| YTEOL | 10 |
| Additional Feature | ADJUSTABLE MODE FROM 0.6 TO 5.5V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PBGA-B133 |
| Number of Functions | 1 |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA133,12X12,50 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY |
| Peak Reflow Temperature (Cel) | 245 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 770kHz |
| Technology | HYBRID |
| Temperature Grade | OTHER |
| Terminal Form | BALL |
| Terminal Pitch | 1.27mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 4 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LTM4637IY#PBF datasheet?
LTM4637IY#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTM4637IY#PBF?
Compatible alternatives and drop-in replacements for LTM4637IY#PBF:
Frequently Asked Questions
What output voltage range does the LTM4637IY#PBF support, and how is it set?
The LTM4637IY#PBF supports an adjustable output voltage range from 0.6 V to 5.5 V, set using external resistors. This wide range allows it to power a variety of loads including FPGAs and processors from a single 4.5 V to 20 V input rail, making it highly flexible for multi-output power systems.
How does the LTM4637IY#PBF BGA package simplify PCB design compared to discrete switching regulators?
The LTM4637IY#PBF integrates the inductor, power MOSFETs, and PWM controller inside a single BGA package, reducing the external component count significantly compared to discrete designs. This integration shrinks the power supply footprint to the size of the µModule BGA itself, simplifying layout and reducing design time for 12 V nominal input power rails.
In which industrial or telecom applications is the LTM4637IY#PBF most commonly deployed?
The LTM4637IY#PBF is commonly used in telecom base station power supplies, industrial control systems, and server blade power rails where input voltages up to 20 V must be converted efficiently to logic-level outputs between 0.6 V and 5.5 V. Its current-mode PWM control provides excellent load regulation, making it suitable for powering sensitive analog and digital circuits in mission-critical environments.
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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+ | $60.3880 | $60.39 |
| 4+ | $59.1112 | $236.44 |
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| 10+ | $47.9410 | $479.41 |
| 19+ | $45.6900 | $868.11 |
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