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Overview
| Topology | Buck Converter |
| Input voltage | 5 V |
| Switching frequency | 300-380 kHz |
| Output 1 | 2.5 V / 3 A |
| Output 2 | 1.2 V / 3 A |
| Output 3 | 1.8 V / 3 A |
| Output 4 | 1.5 V / 3 A |
| Output 5 | 3.3 V / 3 A |
| IC revision | 2.0.1 |
Description
The XRP7665 is a synchronous current mode PWM step down (buck) regulator capable of a constant output current up to 3Amps. A wide 4.5V to 18V input voltage range allows for single supply operations from industry standard 5V and 12V power rails.
With a 340kHz constant operating frequency and integrated high and low side 100mΩ/100mΩ MOSFETs, the XRP7665 reduces the overall component count and solution footprint. Current-mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on, and in shutdown mode the supply current drops to 0.1µA.
Built-in output over voltage (open load), over temperature, cycle-by-cycle over current and under voltage lockout (UVLO) protections insure safe operations under abnormal operating conditions.
The XRP7665 is a pin and function compatible device to MP1484 and a 3A pin to pin upgrade to XRP7664.
Features
- Pin/Function Compatible to MP1484
- 3A Continuous Output Current
- 4.75V to 18V Wide Input Voltage
- PWM Current Mode Control
- 340kHz Constant Operations
- Up to 93% Efficiency
- Adjustable Output Voltage
- 0.925V to 16V Range
- 2.7% Accuracy over Temperature
- Programmable Soft-Start and Enable function
- Built-in Thermal, Over Current, UVLO and Output Over Voltage Protections
- RoHS Compliant Green/Halogen Free 8-Pin Exposed Pad SOIC Package
Typical applications
- Audio-Video Equipments
- Point of Load Converters
- Distributed Power Architectures
- Industrial Equipments
- medical Equipments
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 | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 4.9 µH, 8.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance4.9 µH | Performance Rated Current8.3 A | Saturation Current @ 10%2.2 A | Saturation Current @ 30%6.5 A | DC Resistance14.5 mΩ | Self Resonant Frequency56 MHz | MaterialSuperflux |