Datasheet > MG39132AH

MG39132AH

更新时间： 2022-02-26 12:29:26

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MG39132AH 数据手册

1 Description

The MG39132 is a high precision linear LED controller. It is designed to drive a 3‐taps low power LED string

directly form AC line input. Electrolytic capacitor is not required; so long operating life is possible. No EMI filter

and PF correction circuits are needed.

The LED string is configured into 3 segments. With state‐of‐art control scheme, each segment is sequentially

turned on and off by tracking the input sine wave voltage. Voltage applied on IC is minimized when conducting,

providing high efficiency. The AC voltage and line ‐input current could be tuned in phase, so the high PF is

possible. There is no PWM switching control in the chip, also the line‐in current is tracking with the AC input with

three step level, the THD_icould be tuned very low. The I_LEDcurrent is also programmed by external resister to

fulfill various types of power requirement. The maximum supported wattage is 19.5W.

The MG39132 also builds in UVLO control, over temperature and over voltage protection circuit. The device is

available in e-TSSOP16, e-SOP16 package or dice form.

The MG39132 provides a 7V DC output voltage for the MCU power supply application

2 Order Information

Current

240mA (Max)

Package Type

Dice

MG39132AH

MG39132AT

MG39132AS

e-TSSOP16

e-SOP16

3 Application Field

Incandescent and Fluorescent lamp/tube replacement

MEGAWIN

MG39132 Data Sheet

1 2 345 6 7...11

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