LTM4651 Series

EN55022B Compliant 58V, 24W Inverting-Output DC/DC μModule Regulator

Catalog

EN55022B Compliant 58V, 24W Inverting-Output DC/DC μModule Regulator

Part	Type	Number of Outputs	Control Features	Applications	Power (Watts)	Features	Voltage - Input (Min) [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [z]	Size / Dimension [y]	Size / Dimension [x]	Supplier Device Package	Mounting Type	Voltage - Output 1 [Max]	Package / Case
Analog Devices LTM4651EY#PBF	Non-Isolated PoL Module	1	Active High Enable	ITE (Commercial)	24 W	OCP OTP OVP SCP UVLO	3.6 V	125 °C	-40 °C	0.35 "	15 mm	0.21 in	5.2 mm	9 mm	0.59 in	77-BGA (15x9)	Surface Mount	-26.5 V	77-BBGA

Catalog

EN55022B Compliant 58V, 24W Inverting-Output DC/DC μModule Regulator

Key Features

• Complete Low EMI Switch Mode Power Supply

• EN55022 Class B Compliant

• Wide Input Voltage Range: 3.6V to 58V

• Up to 4A Output Current24W Output from 12VINto –24VOUT, PLOSS= 5W, TA= 60°C, tRISE= 60°C, 200LFM

• 24W Output from 12VINto –24VOUT, PLOSS= 5W, TA= 60°C, tRISE= 60°C, 200LFM

• Output Voltage Range: –26.5V ≤ VOUT– ≤ –0.5VSafe Operating Area: VIN+ |VOUT–| ≤ 58V

• 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

Description

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.ApplicationsAvionics, Industrial Control and Test EquipmentVideo, Imaging and Instrumentation48V Telecom and Network Power SuppliesRF Systems