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MBI6658 is a common-anode step-down (buck) constant-current LED driver for high power LED stage lighting applications. Hysteretic PFM control with fast response provides high dimming resolution. The LED current can be set by an external resistor. With the integrated MOSFET, MBI6658 can save the PCB size and reduce the total cost effectively.
Additionally, MBI6658 offers error flag and complete protection functions, including Under-Voltage Lockout (UVLO), Over Temperature Protection (OTP), Over Current Protection (OCP), output open protection, and output short protection, to protect system or components from being damaged by fault conditions.
MBI6658 Specification
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ItemsSpec.Content
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01TopologyBuck / Hysteretic PFM
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02Max. Output Current per Channel2A
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03Max. Sustaining Voltage39.6V
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04Supply Voltage4.5~36V
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05Switch on Resistance0.12Ω
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06Common Anode
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07Dimming MethodDigital
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08Protection - LED Open
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09Protection - LED Short
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10Protection - Thermal Shutdown
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11Protection - Start-Up
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12Protection - UVLO
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13Protection - OCP/OCL
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14Protection - Themal Fold-back
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15Protection - OTP Error FLAG
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16Protection - OCP Error FLAG
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17Soft Start-up
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18RoHS Compliant PackageSOP8
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19Major ApplicationsMR11, MR16, flood light, PAR light, wall wash light, stage light, panel light, emergency lighting, street light, tunnel lighting, high power LED lighting, automotive lighting
