AL1666

Document number: DS42417 Rev. 1 - 2

5 of 16

www.diodes.com

December 2019

© Diodes Incorporated

AL1666

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

ADIM Section

—

Analog Dimming Range on ADIM

—

0.05

—

2.4

V

—

Analog Dimming High Level

—

2.35

2.4

2.45

V

—

Analog Dimming Range Ratio

—

1

—

100

%

Thermal Fold-Back Section

Overheating Temperature Regulation (Note 7)

—

—

+150

—

°C

Over Temperature Protection Section

—

Shutdown Temperature (Notes 7, 8)

—

—

+180

—

°C

Notes:

7. These parameters, although guaranteed by design, are not 100% tested in production.

s to avoid detecting an OTP fault by allowing the

PWMD pin voltage to reach its nominal value if a filtering capacitor is connected to the PWMD pin.