Datasheet > MBI6650PSD

MBI6650PSD

更新时间： 2024-10-22 03:43:35

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
15页	491K
描述
1.2A DC/DC Converter

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MBI6650PSD 数据手册

MBI6650

1.2A DC/DC Converter

Preliminary Datasheet

Macroblock

Features

Surface Mount Device

1.2A Constant Output Current

93% Efficiency @ input voltage 13V, 350mA, 3-LED

9~36V Input Voltage Range

Hysteretic PFM Improves Efficiency at Light Loads

Settable Output Current

Integrated Power Switch

Full Protection: Thermal/UVLO/Soft Start/LED Open-/Short- Circuit

Only 4 External Components Required

PSD: TO-252-5L

Product Description

The MBI6650 is a high efficiency, constant current, step-down DC/DC converter, designed to deliver constant

current to high power LED with only 4 external components. The MBI6650 is specifically designed with hysteretic

PFM control scheme to enhance the efficiency up to 93%. Output current of the MBI6650 can be programmed by

an external resistor, and LED dimming can be controlled via pulse width modulation (PWM) through DIM pin. In

addition, the embedded soft start function eliminates the inrush current while the power is on. The MBI6650 also

features under voltage lock out (UVLO), over temperature protection, LED open-circuit protection and LED

short-circuit protection to protect IC from being damaged.

Additionally, to ensure the system reliability, the MBI6650 is built with the thermal protection (TP) function and a

thermal pad. The TP function protects IC from over temperature (140°C). Also, the thermal pad enhances the

power dissipation. As a result, a large amount of current can be handled safely in one package.

Applications

Signage and Decorative LED Lighting

Automotive LED Lighting

High Power LED Lighting

Constant Current Source

Macroblock, Inc. 2007

Floor 6-4, No.18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.

TEL: +886-3-579-0068, FAX: +886-3-579-7534 E-mail: info@mblock.com.tw

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October 2007, V1.00

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