Datasheet > A80606

A80606

更新时间： 2022-06-24 15:42:43

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
41页	5340K
描述
High Power LED Driver with Pre-Emptive Boost

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A80606 数据手册

A80606 and

A80606-1

High Power LED Driver with Pre-Emptive Boost

for Ultra-High Dimming Ratio and Low Output Ripple

ELECTRICAL CHARACTERISTICS ^[1](continued): Unless otherwise noted, speciﬁcations are valid at V_IN= 12 V, T_J= 25°C, • indi-

cates speciﬁcations guaranteed over the full operating temperature range with T_J= –40°C to 125°C, typical speciﬁcations are at T_J= 25°C

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

THERMAL PROTECTION (TSD)

Thermal Shutdown Threshold ^[2]

Thermal Shutdown Hysteresis ^[2]

T_SD

Temperature rising

155

170

−

°C

T_SDHYS

−

^[1]For input and output current specifications, negative current is defined as coming out of the node or pin (sourcing);

positive current is defined as going into the node or pin (sinking).

^[2]Ensured by design and characterization; not production tested.

^[3]Minimum V_IN= 4.5 V is only required at startup. After startup is completed, IC can continue to operate down to V_IN= 4 V.

^[4]LED current is trimmed to cancel variations in both Gain and ISET voltage.

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

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