OB25133JPA

The OB25133JPA is a PWM controller IC for power supplies. Equivalent or similar products include:
- OB2365 (On-Bright)
- LD7535 (Leadtrend)
- TNY280 (Power Integrations)
- VIPer22A (STMicroelectronics)
- SG6848 (Fairchild/ON Semi)
These alternatives offer comparable features like low standby power and high efficiency. Verify pin compatibility and specs before substitution.

The OB25133JPA is a high-performance, low-power offline PWM controller IC designed for AC/DC power supplies. Key features include:
- Wide Input Voltage Range: Supports universal AC input (85V–265V).
- Low Standby Power: <75mW, enhancing energy efficiency.
- Quasi-Resonant (QR) Operation: Reduces switching losses for better efficiency.
- Built-in Protections: Over-voltage (OVP), over-current (OCP), over-temperature (OTP), and short-circuit (SCP).
- Frequency Jittering: Minimizes EMI for simpler filtering.
- Auto-Restart Mode: Safely recovers from faults.
- High Integration: Includes a 700V MOSFET and startup circuit, reducing external components.
- Adjustable Output Power: Flexible for various applications (e.g., adapters, chargers).
Ideal for USB-PD, QC adapters, and LED drivers, the OB25133JPA offers compact, reliable, and efficient power conversion.

The OB25133JPA is a power management IC (PIC) designed for LED driver applications. It features 8 pins with the following key functions:
1. VDD – Power supply input.
2. GND – Ground reference.
3. CS – Current sense input for LED regulation.
4. FB – Feedback pin for output voltage control.
5. COMP – Compensation pin for loop stability.
6. DIM – PWM dimming control input.
7. DRV – Gate driver output for external MOSFET.
8. HV – High-voltage startup pin.
It operates in quasi-resonant (QR) mode for high efficiency and supports PWM dimming for brightness control. The IC is commonly used in LED lighting and backlighting applications.

The OB25133JPA is a high-performance LED driver IC, primarily used in:
1. LED Lighting – Efficiently drives LEDs in residential, commercial, and industrial lighting.
2. Smart Lighting Systems – Supports dimmable and programmable LED solutions.
3. Automotive Lighting – Powers interior/exterior LED lights in vehicles.
4. Consumer Electronics – Used in LED backlighting for displays and indicators.
5. Decorative Lighting – Enables dynamic color control in RGB LED setups.
Its compact design, high efficiency, and reliability make it suitable for energy-efficient and space-constrained applications.

The OB25133JPA is a SOP-8 (Small Outline Package) type IC. It features 8 pins in a compact, surface-mount design, commonly used for power management applications. The package is lead-free and RoHS-compliant, suitable for high-efficiency switching regulators. Dimensions typically follow standard SOP-8 specs (~4.9mm x 3.9mm). Check the datasheet for exact mechanical details.