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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 1A SOT89-5
- Series：-
- Mfr：Diodes Incorporated
- 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)：6V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：1A
- Frequency：233kHz ~ 1MHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting, Signage
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-89-5/6
- Supplier Device Package：SOT-89-5
- Grade：-
- Qualification：-
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Overview
The PAM2861CBR is a buck topology LED lighting driver IC manufactured by Diodes Incorporated. It provides a regulated output current of 1 A with an adjustable voltage range. The device operates within an input voltage window of 6 V to 40 V and supports switching frequencies between 233 kHz and 1 MHz. It features internal switch integration, PWM dimming capability, and open LED protection. The component is housed in a SOT-89-5 surface-mount package and functions across a temperature range of -40°C to +85°C.
Feature Summary
- Integrates a high-side power switch for compact circuit design
- Supports pulse-width modulation dimming for brightness control
- Includes open LED protection to prevent damage during fault conditions
Applications
- General LED lighting systems
- High-power LED arrays
- Industrial illumination fixtures
Procurement Notes
Verify the specific suffix 'CBR' against the manufacturer's official datasheet to confirm the exact reel quantity and tape specifications. Ensure that the ordering information matches the required packaging format for automated assembly processes. Cross-reference the RoHS compliance status directly with the latest product documentation provided by Diodes Incorporated.
Selection Notes
Select this component when a step-down converter architecture is required for driving LEDs from higher voltage rails. The integrated switch eliminates external MOSFET requirements, reducing bill of materials. Verify that the application input voltage remains within the specified 6 V to 40 V range and that the thermal management strategy accommodates the SOT-89-5 package constraints.
Part Context
This part belongs to the PAM2861 series of LED drivers from Diodes Incorporated. The series focuses on efficient power management for lighting applications using buck conversion topologies. The CBR suffix indicates the specific tape-and-reel packaging configuration used for surface-mount technology assembly lines.
Replacement Considerations
Consult the manufacturer's official substitution guide for direct pin-compatible alternatives. No public substitute part numbers are confirmed in the available documentation.
