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Overview
| Topology | Buck Converter |
| Input voltage | 20-28 V |
| Output 1 | 3.3 V / 1.8 A |
| Output 2 | 5 V / 1.8 A |
| IC revision | 2.4 |
Description
(a) Synchronized 600kHz 24V to 5V and 3.3V Dual Step-down Converter.The free-running frequency of the regulator is set to 580kHz.(b) Efficiency(c) Switching Waveforms. VIN = 24V, IOUT1 = IOUT2 = 1A.(d) Start-up Waveforms. VIN = 24V, IOUT1 = IOUT2 = 0.5A.
Features
Wide Input Voltage Range: 2.8V to 30VTwo Integrated 2A SwitchesUp to 2.5MHz per Channel Programmable ConstantSwitching FrequencyOut of Phase Switching Reduces Input RippleBoth Switching Regulators share a single Input FilteringCapacitor, Reducing CostExternal SynchronizationCycle-by-Cycle Current-limitingIndependent Soft-Start/Enable PinsIndependent Hiccup Overload ProtectionPower Good Indicators Ease Output SequencingLow Shutdown CurrentThermally Enhanced 16-pin TSSOP Lead Free PackageFully WEEE and RoHS Compliant
Typical applications
- XDSL and Cable Modems
- Security Cameras
- Point of Load Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 10 µH, 3.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance10 µH | Performance Rated Current3.5 A | DC Resistance49 mΩ | Self Resonant Frequency26 MHz | Size7345 | VersionRobust | ||||
| WE-PD SMT Power Inductor, 12 µH, 3.35 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance12 µH | Performance Rated Current3.35 A | DC Resistance58 mΩ | Self Resonant Frequency23 MHz | Size7345 | VersionRobust |