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STLC1511

4.0 PACKAGE INFORMATION, SUPPLY RATINGS, AND OPERATING ENVIRONMENT

4.1 The thermal impedance

The thermal impedance of the package is about 64

°C/W for the following conditions°

4.2 Environmental Conditions

4.3 Power Supply Input Limits

Table 21. defines the maximum and minimum power supply requirements to meet specifications as outlined in

section 3.2 and 3.3.

Table 18. Board Assumptions:

PC Board

6 layer, 1oz copper

Ambient Temperature

Air Flow

natural convection

Power Dissipation

300mW

Table 19. Board Assumptions:

PC Board

6 layer, 1oz copper

Ambient Temperature

Air Flow

natural convection

Power Dissipation

300mW

Table 20. Environment conditions

1

<1>Short-term is defined as no greater than 96 consecutive hours and 15 days per year.

Table 21. Power Supply Limits

Parameter

Limits

Unit

Conditions

min

typ

Positive Supply Voltage

4.75

5

5.25

Volts