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Overview
| Topology | Buck Converter |
| Input voltage | 12-24 V |
| Switching frequency | 260-400 kHz |
| Output 1 | 5 V / 4 A |
| IC revision | 02 |
Description
XP4801 is a high efficiency synchronous buck controller that converts from 5V ~36V input range and up to 36V output voltage with two outside N-channel MOSFETs for the synchronous switches. The XP4801 includes adjustable current limit, adjustable soft-start time & switching frequency, adjustable compensation net and thermal shutdown preventing damage in the event of an output overload. For different application we can select suitable compensation net, current limit, soft start, switching frequency and select suitable MOSFET to obtain a high efficiency
Features
- 5V~36V input voltage range
- Adjustable output voltage from 1.21V to 36V
- 1.21V feed back reference voltage
- Adjustable input current limit
- Adjustable soft-start time
- Adjustable compensation net
- Input under voltage lockout
- Adjustable switching frequency
- Thermal shutdown
- QFN3x3-16 Package
- Rohs Compliant and Halogen Free
Typical applications
- Type C USB Device
- Portable Class D Device
- Power Bank / Power Amplify Device / 5V/9V/12V BUS Power Supply
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 | RDC typ.(mΩ) | RDC max.(mΩ) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-XHMI SMT Power Inductor, 2.2 µH, 21.85 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current21.85 A | Saturation Current @ 10%12.55 A | Saturation Current @ 30%26.45 A | DC Resistance3.7 mΩ | Self Resonant Frequency33 MHz | – | DC Resistance3.7 mΩ | DC Resistance4.07 mΩ | MountSMT | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, 6.5 µH, 11 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance6.5 µH | Performance Rated Current11 A | Saturation Current @ 10%4.4 A | Saturation Current @ 30%10 A | DC Resistance12.5 mΩ | Self Resonant Frequency27 MHz | MaterialSuperflux | – | DC Resistance13.75 mΩ | MountSMT | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 10 µH, 5.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance10 µH | Performance Rated Current5.3 A | Saturation Current @ 10%1.8 A | Saturation Current @ 30%4 A | DC Resistance33 mΩ | Self Resonant Frequency40 MHz | MaterialSuperflux | – | DC Resistance36.3 mΩ | MountSMT |