LVD SCSI 27-Line Regulator

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3

ELECTRICAL CHARACTERISTICS (continued)

Note 1: All voltages are referenced to ground.

Note 2: Guaranteed by design and not production tested.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

THERMAL SHUTDOWN

Thermal-Shutdown Threshold

(Note 2)

For increasing temperature

+150

°C

Thermal-Shutdown Hysteresis

(Note 2)

10

°C

DS2129

475

Ω

1%

475

Ω

1%

475

Ω

1%

475

Ω

1%

121

Ω

1%

121

Ω

1%

TERMPWR

DIFFSENSE

REG1

REG2

4.7

μF

4.7

μF

4.7

μF

TERMPWR

2.7V TO 5.25V

R1N

R1P

R27N

R27P

DIFFSENSE

R2N

R26P

Typical Operating Circuit