LTM8051

RECOMMENDED FOR NEW DESIGNS

Quad 40VIN Silent Switcher μModule Regulator with Configurable 1.2A Output Array

Analog Devices LTM8051 Product Info

10 February 2026 6

Features

Four Complete Step-Down Switching Power Supplies
Low Noise Silent Switcher^® Architecture
CISPR22 Class B Compliant
CISPR25 Class 5 Compliant
Wide Input Voltage Range: 3V to 40V
Wide Output Voltage Range: 0.8V to 8V
Selectable Switching Frequency: 300kHz to 3MHz

1.2A Continuous Output Current per Channel at 12V_IN, 3.3V_OUT, TA = 85°C
1.5A Continuous Output Current per Channel at 12V_IN, 3.3V_OUT, TA = 60°C
Multiphase or Multi-μModule Parallelable for Increased Output Current
Compact Package (6.25mm × 11.25mm × 2.22mm) Surface Mount BGA

Part details & applications

The LTM8051 is quad 40V_IN, 1.2A step-down Silent Switcher μModule^® regulator. The Silent Switcher architecture minimizes EMI while delivering high efficiency at frequencies up to 3MHz. Included in the package are the controllers, power switches, inductors, and support components. Operating over a wide input voltage range, the LTM8051 supports output voltages from 0.8V to 8V, and a switching frequency range of 300kHz to 3MHz, each set by a single resistor. Only the bulk input and output filter capacitors are needed to finish the design. The LTM8051 product video is available on website.

The LTM8051 is packaged in a compact (6.25mm × 11.25mm × 2.22mm) over-molded Ball Grid Array (BGA) package suitable for automated assembly by standard surface mount equipment. The LTM8051 is available with SnPb (BGA) or RoHS compliant.

Applications

Automated Test Equipment
Distributed Supply Regulation
Industrial Supplies
Medical Equipment

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