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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-36 V |
| Switching frequency | 300-1000 kHz |
| Output 1 | 3.3 V / 3 A |
Description
The RT2862 is a high efficiency, current mode synchronous step-down DC/DC converter that can deliver up to 3Aoutput current over a wide input voltage range from 4.5V to 36V. The device integrates a 105mΩ high side and an80mΩ low side MOSFET to achieve high conversion efficiency up to 95%. The current mode control architecturesupports fast transient response and uses a simple compensation circuit.A cycle-by-cycle current limit function provides protection against a shorted output and an internal soft-starteliminates input surge current during start-up. The RT2862 provides complete protection functions such as inputunder voltage lockout, output under voltage protection, over current protection and thermal shutdown.The RT2862 is available in the thermal enhanced SOP-8 (Exposed Pad) package.
Features
- 4.5V to 36V Input Voltage Range
- 3A Output Current
- Internal N-MOSFETs
- Current Mode Control
- Frequency Operation : 300kHz to 1MHz
- Adjustable Output Voltage from 0.8V to 30V
- High Efficiency Up to 95%
- Stable with Low ESR Ceramic Output Capacitors
- Cycle-by-Cycle Current Limit
Typical applications
- Automotive Audio, Navigation, and Information Systems
- Point of Load Regulator in Distributed Power Systems
- Digital Set Top Boxes
- Broadband Communications
- Vehicle Electronics
- Enterprise Datacom Platforms Point of Load (POL
- Industrial Grade General Purpose Point of Load
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 4.7 µH, 8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance4.7 µH | Saturation Current8 A | DC Resistance12.4 mΩ | Self Resonant Frequency34 MHz | Size1050 | VersionPerformance |