Multiple-Output Regulator for

Automotive LCD Displays

A8603

9

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

THERMAL SHUTDOWN (TSD) PROTECTION

Temperature rising

155

165

–

°C

–

20

–

°C

Logic Input Low (SDA, SCL)

–

–

0.8

V

Logic Input High (SDA, SCL)

2.3

–

–

V

–

150

–

mV

Logic Input Current

–1

–

1

µA

SDA Output Voltage Low

SDA = Low, pull-up current = 2.5 mA

–

–

0.4

V

SDA Output Leakage

EN = Low, pull-up to 5.5 V

–

–

1

µA

SCL Clock Frequency

–

–

400

KHz

ADDR PIN COMPARATOR THRESHOLD

Voltage Level for Address 101,0000

0

–

0.3

V

Voltage Level for Address 101,0001

0.6

–

0.9

V

Voltage Level for Address 101,0010

1.5

–

1.8

V

Voltage Level for Address 101,0011

2.4

–

3

V

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

Refer to Table 5 for Register Map.