LM5119 Datasheet and Specifications PDF

The LM5119 is a Wide Input Range Dual Synchronous Buck Controller.

Key Specifications

Mount TypeSurface Mount
Pins32
Max Voltage (typical range)14 V
Max Frequency530 kHz
Height800 µm
Length5 mm
Width5 mm
Max Operating Temp125 °C

LM5119 Datasheet

LM5119 Datasheet (National Semiconductor)

National Semiconductor

LM5119 Datasheet Preview

The LM5119 is a dual synchronous buck controller intended for step-down regulator applications from a high voltage or widely varying input supply. The control method is based upon current mode control.

include thermal shutdown, frequency synchronization, cycle-by-cycle and hiccup mode current limit and adjustable line under-voltage lockout. The device is available in a power enhanced leadless LLP-32 package featuring an exposed die attach pad to aid thermal dissipation. Features
* Emulated peak c.

LM5119 Datasheet (Texas Instruments)

Texas Instruments

LM5119 Datasheet Preview

The LM5119 device is a dual synchronous buck controller intended for step-down regulator applications from a high voltage or widely varying input supply. The control method is based upon current mode .


*1 Emulated Peak Current Mode Control
* Wide Operating Range (5.5 V to 65 V)
* Easily Configurable for Dual Outputs or Interleaved Single Output
* Robust 3.3-A Peak Gate Drive
* Switching Frequency Programmable to 750 kHz
* Optional Diode Emulation Mode
* Programmable Output from 0.8 V
* Precision 1.

Price & Availability

Seller Inventory Price Breaks Buy
Rochester Electronics 20 25+ : 5.2 USD
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DigiKey 2049 1+ : 9.04 USD
10+ : 7.031 USD
25+ : 6.5284 USD
100+ : 5.9756 USD
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DigiKey 2049 1+ : 9.04 USD
10+ : 7.031 USD
25+ : 6.5284 USD
100+ : 5.9756 USD
View Offer