The LM61460-Q1 device is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 6 A of load current from a supply voltage ranging from 3 V to 36 V. The LM61460-Q1 provides exceptional efficiency and output accuracy in a very small solution size. The LM61460-Q1 is capable of delivering 6 A of load current and is peak current limit controlled. The following are additional features that provide both flexible and easy-to-use solutions for a wide range of applications:

• Adjustable switching frequency
• Synchronization to an external clock
• FPWM variant (LM61460AFS)
• Power-good flag
• Precision enable

Automatic frequency foldback at light load and optional external bias improve efficiency over the entire load range. The device requires few external components and has a pinout designed for optimal EMI and thermal performance. Protection features include the following:

• Thermal shutdown
• Input undervoltage lockout
• Cycle-by-cycle current limiting
• Hiccup short-circuit protection

The LM61460-Q1 device is pin-to-pin compatible with the LM61440-Q1 for easy output current scaling.

For a quick reference, Figure 1-1 shows the pin configuration of the LM61460-Q1 and Figure 1-2 shows the simplified schematic. See the LM61460-Q1 Automotive 3-V to 36-V, 6-A, Low-Noise Synchronous Step-Down Converter Data Sheet for more detailed feature descriptions and design guide.

Figure 1-1 LM61460-Q1 Pin Configuration (Top View)

Figure 1-2 LM61460-Q1 Schematic

The LM61460-Q1 EVM has the board populated with the LM61460 in either one of two variants. Based on the label populated, you can figure out which device trim is populated on the EVM and the corresponding features. This board uses the LM61460-Q1 and limiting current to 6 A and comes with auto mode enabled.