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Absolute Maximum Ratings

Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage

parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal

resistance and power dissipation ratings are measured under board mounted and still air conditions.

Symbol

Definition

Min.

Max.

Units

High side floating supply voltage

-0.3

625

High side floating supply offset voltage

High side floating output voltage

Low side output voltage

-0.3

Maximum allowable output current (either output)

-500

500

due to external power transistor miller effect

Voltage controlled oscillator input voltage

-0.3

6.0

V

CPH current

-5

5

mA

IPH voltage

-0.3

5.5

Dimming control pin input voltage

-0.3

5.5

Maximum lamp power setting pin input voltage

-0.3

5.5

Minimum lamp power setting pin input voltage

-0.3

5.5

Current sense input voltage

-0.3

5.5

Shutdown pin current

-5

5

Supply current (note 1)

—

25

dV/dt

Allowable offset voltage slew rate

-50

50

V/ns

(16 pin DIP)

—

1.60

(16 pin SOIC)

—

1.25

Thermal resistance, junction to ambient

(16 pin DIP)

—

75

(16 pin SOIC)

—

115

Junction temperature

-55

150

Storage temperature

-55

150

Lead temperature (soldering, 10 seconds)

—

300

V

mA

V

mA

Note 1:

section.

W