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DATA SHEET
LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter
1 Features
- Compliant with CISPR25 Class 5 Conducted Emissions
- Input Voltage Range of 3 V to 5.5 V
- Output Voltage Range of 0.8 V to 4.5 V
- 2-A Output Current per Regulator
- High Switching Frequency: 2.2 MHz (LM26420X)
0.55 MHz (LM26420Y)
- 0.8 V, 1.5% Internal Voltage Reference
- Internal Soft Start
- Independent Power Good and Precision Enable for Each Output
- Current Mode, PWM Operation
- Thermal Shutdown
- Overvoltage Protection
- Start-up into Prebiased Output Loads
- Regulators are 180° Out of Phase
- Create a Custom Design Using the LM26420 With the WEBENCH® Power Designer
2 Applications
- Local 5 V to Vcore of FPGAs
- Core Power in HDDs and Set-Top Boxes
- USB Powered Devices
- Powering Core and I/O Voltages for CPUs and ASICs
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