LTM4651
RECOMMENDED FOR NEW DESIGNSEN55022B Compliant 58V, 24W Inverting-Output DC/DC μModule Regulator
- Part Models
- 3
- 1ku List Price
- Starting From $21.98
Overview
- Complete Low EMI Switch Mode Power Supply
- EN55022 Class B Compliant
- Wide Input Voltage Range: 3.6V to 58V
- Up to 4A Output Current
- 24W Output from 12VIN to –24VOUT, PLOSS = 5W, TA = 60°C, tRISE = 60°C, 200LFM
- Output Voltage Range: –26.5V ≤ VOUT– ≤ –0.5V
- Safe Operating Area: VIN + |VOUT–| ≤ 58V
- ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C)
- Parallel and Current Share with Multiple LTM4651s
- Constant-Frequency Current Mode Control
- Frequency Synchronization Range: 250kHz to 3MHz
- Power Good Indicator and Programmable Soft-Start
- Overcurrent/Overvoltage/Overtemperature Protection
- 15mm × 9mm × 5.01mm BGA Package
The LTM4651 is an ultralow noise, 58V, 24W DC/DC μModule® inverting topology regulator. It regulates a negative output voltage (VOUT–) from a positive input supply voltage (VIN), and is designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components.
Included in the package are the switching controller, power MOSFETs, inductor, filters and support components. The LTM4651 can regulate VOUT– to a value between –0.5V and –26.5V, provided that its input and output voltages adhere to the safe operating area criteria of the LTM4651: VIN + |VOUT–| ≤ 58V. A switching frequency range of 250kHz to 3MHz is supported (400kHz default) and the module can synchronize to an external clock.
Despite being an inverting topology regulator, no level shift circuitry is needed to interface to the LTM4651’s RUN, PGOOD or CLKIN pins; those pins are referenced to GND.
The LTM4651 is offered in a 15mm × 9mm × 5.01mm BGA package with SnPb or RoHS compliant terminal finish.
Applications
- Avionics, Industrial Control and Test Equipment
- Video, Imaging and Instrumentation
- 48V Telecom and Network Power Supplies
- RF Systems
Documentation
Data Sheet 1
User Guide 1
Product Selection Guide 1
Brochure 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTM4651EY#PBF | 77-Lead BGA (9mm x 15mm x 5.01mm) | ||
| LTM4651IY | 77-Lead BGA (9mm x 15mm x 5.01mm) | ||
| LTM4651IY#PBF | 77-Lead BGA (9mm x 15mm x 5.01mm) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jul 21, 2021 - 21_0159 Ink Mark to Laser Mark Conversion for µModule |
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| LTM4651EY#PBF | PRODUCTION | |
| LTM4651IY | PRODUCTION | |
| LTM4651IY#PBF | PRODUCTION | |
|
Feb 28, 2020 - 20_0123 Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia |
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| LTM4651EY#PBF | PRODUCTION | |
| LTM4651IY | PRODUCTION | |
| LTM4651IY#PBF | PRODUCTION | |
|
Feb 5, 2020 - 20_0127 Supplier Material Change for µModule |
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| LTM4651EY#PBF | PRODUCTION | |
| LTM4651IY | PRODUCTION | |
| LTM4651IY#PBF | PRODUCTION | |
|
Apr 11, 2019 - 19_0067 Notification of Wafer Fab Location Change for 0.35 BCD Process |
||
| LTM4651EY#PBF | PRODUCTION | |
| LTM4651IY | PRODUCTION | |
| LTM4651IY#PBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Request a Driver/SoftwareTools & Simulations
LTspice
Models for the following parts are available in LTspice:
- LTM4651
LTpowerCAD
Design tools for the following parts are available in LTpowerCAD:
- LTM4651
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
LTM4651 Demo Board | EN55022B Compliant 58V, 24W Inverting-Output DC/DC μModule Regulator