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MBI6903 fiches techniques PDF

Macroblock - AC/DC LED Controller

Numéro de référence MBI6903
Description AC/DC LED Controller
Fabricant Macroblock 
Logo Macroblock 





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MBI6903 fiche technique
Macroblock
Preliminary Datasheet
Features
z Efficiency> 85% when VAC =110V, ILED=100mA, VLED =80V
z PWM switching control
z Operation with active power factor correction
z THD < 15% when VAC =110V, ILED=100mA, VLED =80V
z Full protections: OTP/UVLO/OVP/OCP/LED open-/short-circuit
z Current setting accuracy within ±5%
z Full range line regulation within 1.7%
z Available in SOP-8L package
MBI6903
AC/DC LED Controller
Small Outline Package
GD: SOP8L-150-1.27
Product Description
MBI6903 is a high efficiency buck-boost AC/DC controller designed to deliver constant current output. The input
voltage range of MBI6903 application is universal from 85VAC to 265VAC. It is featured by a PWM control scheme.
MBI6903 is designed to operate with active power factor correction (PFC) circuit and is therefore capable of
maintaining system power factor greater than 0.9 with proper design. MBI6903 regulates the output current within
±5% of the preset current by well controlling the external MOSFET. MBI6903 also protects the controller from fault
conditions, inclusive of under voltage lock-out (UVLO), over voltage protection (OVP) and over current protection
(OCP). To ensure the system reliability, over temperature protection (OTP) is built-in to prevent IC from over
temperature (155°C) by turning off the external MOSFET. Once the temperature drops below 125°C, the external
MOSFET will resume working. MBI6903 is available in SOP-8L package.
Applications
z T-8 CFL Replacement LED Solution
z E26/E27 Light Bulb Alternative LED Solution
z Flat Panel Lighting Solution
z General Illuminations
©Macroblock, Inc. 2011
Floor 6-4, No.18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.
TEL: +886-3-579-0068, FAX: +886-3-579-7534 E-mail: [email protected]
- 1 - December 2011, V1.00

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