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MaxLinear XRP7665 | Demoboard XRP76XXEVB
2A/3A 18V Synchronous Step-Down Regulator, Constant frequency (XRP7664-65), Light-Load efficiency (XRP7674-75)
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-18 V |
| Output 1 | 3.3 V / 2 A |
| Output 2 | 3.3 V / 3 A |
| IC revision | 2.0.0 |
Description
The EXAR XRP76XX Evaluation kit is a fullyassembled and tested surface-mount PCB thatdemonstrates the XRP7664, XRP7665,XRP7674 and XRP7675 synchronous buckregulators. The current-mode switchingregulator generates a preset 3.3V output witha load of up to 2A (XRP7664, XRP7674) and3A (XRP7665, XRP7675).The EVB kit requires a single input voltage VIN source if EN is tied to VIN via jumper J1 (default setting as supplied from EXAR). If J1 is set to EN=EXT position then a logic-levelsignal is required at EN pin in order to turn theregulator on and off.
Features
- 2A/3A Continuous Output Current
- 4.5V to 18V Wide Input Voltage
- PWM Current-Mode Control
- Adjustable Output Voltage
- 2% Accuracy
- Programmable Soft-Start and EnableFunction
- Constant frequency (XRP7664-65)
- Light-load efficiency (XRP7674-75)
- Built-in Thermal, Over Current, UVLOand Output Over-Voltage Protections
- RoHS Compliant “Green”/Halogen Free8-Pin Exposed Pad SOIC Package
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Color | Gender | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 8.5 µH, 5.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance8.5 µH | Performance Rated Current5.3 A | Saturation Current @ 10%2 A | Saturation Current @ 30%4.5 A | DC Resistance30.5 mΩ | Self Resonant Frequency44 MHz | MaterialSuperflux | Pins2 | – | MountSMT | Length7 mm | Height4.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | – | – | – | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | Pins1 | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +125 °C | ColorBlack | GenderJumper | PackagingBag | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | Pins40 | TypeStraight | MountTHT | Length101.6 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag |