5/11

STA500

Notes: 1. The following table explains the VL, VH variation with Ibias

Note 2: If used in single BTL configuration, the device may be not short circuit protected

LOGIC TRUTH TABLE (see fig. 2)

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

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;

80

mA

Overcurrent Protection Threshold

(short circuit current limit) (note 2)

3.5

6

8

A

Overvoltage protection threshold

30

35

40

V

Undervoltage protection threshold

7

V

Output minimum pulse width

No Load

70

150

ns

Ibias

VLmax

VHmin

Unit

2.7

0.7

1.5

V

3.3

0.8

1.7

V

5

0.85

1.85

V

TRI-STATE

INxA

INxB

Q1

Q2

Q3

Q4

OUTPUT

MODE

0X

X

OFF

OFF

OFF

OFF

Hi-Z

1

0

0

OFF

OFF

ON

ON

DUMP

101

OFF

ON

ON

OFF

NEGATIVE

1

1

0

ON

OFF

OFF

ON

POSITIVE

1

1

1

ON

ON

OFF

OFF

Not used

ELECTRICAL CHARACTERISTCS (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit