RVP003S-FBN-CT

  • Full Bridge Topology
  • Highly Integrated, Minimal External Components Required
  • Integrated 30V / 0.25Ω N-channel MOSFETs
  • Integrated 30V / 0.60Ω P-channel MOSFETs
  • 0.45A Current Limiting Clamp
  • Wide Input Voltage Range: 6V to 30V
  • Surges Voltage up to 38V
  • Optional Internal Clock or External Frequency Synchronization
  • Enable Pin for Power-Down Control
  • Integrated Soft-start Function
  • Built-in Protection: Continuous Short-circuit, Overtemperature, and Automatic Recovery
  • Ambient: -40°C~+125°C

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The RVP003 is a transformer driver optimized for compact, low-power isolated power supplies with minimal standby power consumption. It requires only basic external components input/output filter capacitors, an isolation transformer, and rectifier circuits to build an isolated power supply with an input voltage range of 6 to 30V, multiple output voltage options, and output power up to 2W. RVP003 integrates two N-channel and two P-channel MOSFETs configured in a full bridge topology. An internal oscillator generates a pair of high-precision complementary signals, ensuring symmetrical switching to prevent magnetic core bias during operation.The device also features frequency synchronization and multiple protection mechanisms. The RVP003 integrates frequency synchronization capability along with multiple protection features. When an external clock signal is applied to the CLK input, the device outputs two complementary drive signals at half the frequency of the input clock. An internal high-precision dead time control circuit ensures reliable operation by preventing simultaneous conduction of the full-bridge power switches under all operating conditions. Additionally, the RVP003 includes built-in overcurrent protection and overtemperature protection, safeguarding the device from damage in abnormal conditions such as output short circuits in the switching power supply.

Solutions based on this IC/Transformer combination (available board mounted or as individual components)

Attributes RVP003S-FBN-CT
Product Category IC
Vin (V) 6 - 30
Main Vout (V) 6 to 30
Output Voltage Range (V) 6 - 30
MAX Iout (mA) 300
Mounting Type SMD
Package Style SOT23-6
Length (mm) 3.02
Width (mm) 3
Height (mm) 1.25
MIN Operating Temp (°C) -40
MAX Operating Temp (°C) 125
Protections OCP, OTP, OVP
Directives Halogen-free, REACH, RoHS 2+ (10/10)
Packaging Type Moisture Barrier Bag
Operating Modes Current Mode
Warranty 1 Year
Config 1 Channel
Topology Full-Bridge
Number of Phases 1
MAX Duty Cycle (%) 100
Control Features External Clock
Functional Features Enable
MIN Switching Frequency (kHz) 50
MAX Switching Frequency (kHz) 1600
MIN Storage Temperature (°C) -55
MAX Storage Temperature (°C) 150
Important parameters include input voltage range, output voltage, maximum load current, switching frequency, efficiency, size, and thermal performance. Selection involves balancing these factors to meet the specific requirements of your application, ensuring the IC operates within its safe thermal and electrical limits while minimizing PCB space.
A boost converter increases the input voltage to a higher output voltage using an inductor, low-side switch, a rectifier, and output filter.
A buck converter reduces the input voltage to a lower output voltage using a high-frequency high-side or low-side switch, an inductor, a rectifier, and output filtering.
A buck‑boost converter can both increase and decrease the output voltage in relation to the input voltage using one or more inductors, a high-side or a low-side switch, rectifiers, and output filtering.
A DC/DC controller IC manages the switching behavior of external power components such as MOSFETs, inductors, and transformers.
A DC/DC converter IC converts one DC voltage level to another using switching techniques and integrated control circuitry.
A synchronous converter replaces the traditional rectifier diode with a MOSFET, which reduces conduction losses and significantly improves efficiency.
An asynchronous converter uses a diode as the rectification element, resulting in a simpler design but typically lower efficiency compared to synchronous alternatives.
A converter IC typically integrates the power switches internally, providing a more compact solution. In contrast, a controller IC manages the switching behavior of external power components such as MOSFETs, inductors, and transformers.
Buck-boost converters are commonly used when the input voltage can vary above and below the desired output voltage. For example, this topology is ideal for maintaining a 12V fixed voltage from a 12V battery supply, where the battery level may fluctuate during discharge or charging.
Push-pull and full bridge topologies are often unregulated, making them best suited for use with regulated input voltage rails. Push-pull is preferred for 3.3V and 5V input voltage rails because the input current is shared between the switching transistors, allowing more power to be extracted from a smaller IC package. Full Bridge is preferred for 5V up to 24V input voltage rails because the input voltage stress is shared between the switching transistors, enabling it to efficiently switch higher input voltages. For regulated output voltages, wider input voltage ranges, or higher output power applications, Flyback is the preferred topology due to its versatility and ability to provide galvanic isolation.
Power ICs enable efficient switching topologies, optimized control algorithms, and fast switching frequencies that minimize power losses.
Key advantages include high integration, a small footprint, and improved efficiency. Integrated power ICs allow designers to create optimized power solutions tailored specifically for unique applications.
Power ICs typically require more external components and careful PCB design. This requirement for additional external parts and complex layout increases overall development complexity.
Common types include DC/DC converter ICs, PWM controller ICs, gate driver ICs, PMICs, linear regulators, and battery management ICs.
Power ICs are used in industrial electronics, telecom systems, consumer electronics, automotive systems, and IoT devices.
A power IC (power integrated circuit) is a semiconductor device designed to regulate or convert electrical power. It integrates essential functions such as feedback regulation, switching control, protection, and power management into a single chip.
A PMIC is an integrated circuit designed to manage power distribution within complex electronic systems. It typically integrates multiple voltage regulators, power sequencing, battery management, and system monitoring functions into a single semiconductor device.
A power IC is a semiconductor controller chip that requires external magnetic components such as inductors or transformers but often includes integrated power switching transistors. A power module integrates many of these discrete components into a single packaged solution, simplifying PCB design and reducing overall development time.
Power switching transistors differ primarily in how they are controlled, their switching speed, maximum switching voltage, and their power-handling limits. The main types include MOSFETs (up to 100kHz, 600V, 1kW), SiCs (up to 500kHz, 3.3kV, 100kW), GaNs (up to 1MHz, 900V, 10kW), and IGBTs (up to 50kHz, 6.5kV, 1MW).

MOSFETs are most often used in switching power supplies due to their low cost and ease of integration. SiCs and GaNs are utilized for high-frequency switching applications, while IGBTs are preferred for very high power or high-voltage switching.
Power ICs are often utilized when designers require maximum flexibility, lower cost at high volumes, or highly customized power architectures.

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