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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 70MA 16SSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：3
- Voltage - Supply (Min)：3.15V
- Voltage - Supply (Max)：4.8V
- Voltage - Output：-
- Current - Output / Channel：70mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-30°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-LSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-SSOP-B
- Grade：-
- Qualification：-
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Overview
The BU8770AFV-E2 is a linear LED driver IC manufactured by Rohm Semiconductor, designed for managing LED illumination with an integrated DC/DC converter. It features three independent output channels capable of delivering up to 70mA per channel. The device supports PWM dimming control and operates within a supply voltage range of 3.15V to 4.8V. It is housed in a 16-SSOP-B package and functions reliably across a temperature range of -30°C to 80°C.
Feature Summary
- Integrates a DC/DC converter for efficient LED management
- Provides three independent linear output channels
- Supports PWM dimming functionality for brightness control
Applications
- LED lighting systems requiring integrated power management
- Portable electronic devices utilizing low-voltage LED arrays
- General illumination applications compatible with linear driver architectures
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm RoHS3 compliance and check for alternative sourcing options as the part is discontinued. Ensure compatibility with existing PCB layouts given the specific 16-SSOP-B package dimensions and pin configuration before finalizing procurement decisions.
Selection Notes
Select this component for designs requiring integrated DC/DC conversion alongside linear LED driving capabilities. Consider the 70mA output limit and 3-channel configuration when sizing LED loads. Evaluate thermal performance within the specified operating temperature range and ensure the 16-SSOP-B footprint matches the target board design constraints.
Part Context
This component belongs to the BU8770 series of LED drivers from Rohm Semiconductor. It is specifically engineered for applications needing compact power management solutions. The device integrates switching regulation with linear drive stages to optimize efficiency and control precision in small form-factor LED lighting products.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. As the product is marked as End-of-Life (EOL), consult official Rohm resources for qualified alternatives.
