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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR 1.5A TO252-5
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：8V
- Voltage - Supply (Max)：35V
- Voltage - Output：-
- Current - Output / Channel：1.5A (Switch)
- Frequency：900kHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：-20°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-252-5, DPAK (4 Leads + Tab), TO-252AD
- Supplier Device Package：TO-252-5
- Grade：-
- Qualification：-
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Overview
The BD9207FPS-E2 is a step-down (buck) LED driver IC from ROHM Semiconductor, housed in a TO-252S-5 surface-mount package. It integrates a P-channel switching MOSFET and operates at a fixed frequency of 900 kHz. The device supports an input voltage range suitable for various power supplies and delivers a maximum output current of 1.5 A. It features a low feedback voltage of 0.2 V to enhance efficiency. The component is designed for backlight applications and functions within an operating temperature range of -20°C to +85°C.
Feature Summary
- Integrates a built-in P-channel switching MOSFET for compact design
- Utilizes a step-down topology with a fixed 900 kHz switching frequency
- Features a low feedback voltage of 0.2 V for improved regulation
- Supports high output current capability up to 1.5 A
Applications
- LED backlight drivers
- Constant current LED lighting systems
- Portable electronic display illumination
Procurement Notes
Verify the specific suffix E2 to confirm RoHS compliance and lead-free status as documented by the manufacturer. Confirm the package type is TO-252S-5 and ensure the operating temperature range meets the application requirements of -20°C to +85°C. Cross-reference the datasheet for any updates regarding lifecycle status or recommended design practices.
Selection Notes
Select this component when a compact solution with integrated switching elements is required for LED backlighting. The 900 kHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Ensure the input voltage exceeds the minimum requirement and that thermal management is adequate for the 1.5 A output current in the TO-252S-5 package.
Part Context
This part belongs to the BD9207 series of LED drivers from ROHM Semiconductor. It is specifically engineered for applications requiring efficient step-down conversion and precise current control. The integration of the switch reduces the component count and board space compared to discrete solutions.
Replacement Considerations
Check for direct pin-compatible substitutes within the same ROHM family. Verify that alternative parts match the 1.5 A current rating, 900 kHz frequency, and TO-252S-5 package dimensions before substitution.
