LM3477

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SNVS141K – OCTOBER 2000 – REVISED MARCH 2013

Electrical Characteristics

(1) (continued)

Specifications in Standard type face are for TJ = 25°C, and in bold type face apply over the full Operating Temperature

Range. Unless otherwise specified, VIN = 12V.

Symbol

Parameter

Conditions

Typical

Limit

Units

VSD

Shutdown Threshold (5)

Output = High

1.15

V

1.35

V (max)

Output = Low

0.65

V

0.3

V (min)

ISD

Shutdown Pin Current

VSD = 5V

−1

µA

VSD = 0V

+1

TSD

Thermal Shutdown

165

°C

TSH

Thermal Shutdown Hysteresis

10

°C

θJA

Thermal Resistance

MM Package

200

°C/W

(5)

The COMP/SD pin should be pulled to ground to turn the regulator off. The voltage on the COMP/SD pin must be below the limit for

Output = Low to keep the regulator off.

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