Obsolete

Product(s)

- Obsolete

Product(s)

5/9

STA501A

Table 6.

Notes: 1. The following table explains the VLow, VHigh variation with

Table 7. LOGIC TRUTH (see fig. 6)

Low level input current

Pin voltage = 0.3V

1

µA

current

35

µA

Low logical state voltage VLow

(pin PWRDN, TRISTATE) (note 1)

0.8

V

High logical state voltage VHigh

(pin PWRDN, TRISTATE) (note 1)

1.7

V

PWRDN

Supply Current from Vcc in Power

Down

PWRDN = 0

3

mA

Output Current pins

FAULT -TH-WARN when

FAULT CONDITIONS

Vpin = 3.3V

1

mA

Supply current from Vcc in Tri-

state

Vcc=30V; Tri-state=0

22

mA

Supply current from Vcc in

operation

(both channel switching)

Input pulse width = 50% Duty;

Switching Frequency = 384Khz;

No LC filters;

50

mA

Overcurrent protection threshold

(short circuit current limit)

3.5

6

8

A

Undervoltage protection threshold

7

V

Output minimum pulse width

No Load

70

150

ns

VLow min

VHigh max

Unit

2.7

0.7

1.5

V

3.3

0.8

1.7

V

5

0.85

1.85

V

TRI-STATE

INA

INB

Q1

Q2Q3Q4

OUTPUT

MODE

0

x

x

OFF

OFF

OFF

OFF

Hi-Z

1

0

0

OFF

OFF

ON

ON

DUMP

1

0

1

OFF

ON

ON

OFF

NEGATIVE

1

1

0

ON

OFF

OFF

ON

POSITIVE

1

1

1

ON

ON

OFF

OFF

Not used

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Table 5. ELECTRICAL CHARACTERISTCS (continued)

Obsolete

Product(s)

- Obsolete

Product(s)