STA500(2003) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STA500 Datasheet PDF : 10 Pages
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STA500
ELECTRICAL CHARACTERISTCS (continued)
(Ibias = 3.3V; Vcc = 28V; Tamb = 25°C unless otherwise specified)
Symbol
Parameter
Test conditions
IVCC- Supply current from Vcc in Power PWRDN = 0
PWRDN Down
IFAULT
Output Current pins
FAULT -TH-WARN when
FAULT CONDITIONS
Vpin = 3.3V
IVCC-hiz Supply current from Vcc in Tri-
state
Tri-state=0
Min.
Typ.
Max.
3
Unit
mA
1
mA
22
mA
IVCC
Supply current from Vcc in
operation
(both channel switching)
Input pulse width = 50% Duty;
Switching Frequency = 384Khz;
No LC filters;
IOUT-SH Overcurrent Protection Threshold
3.5
(short circuit current limit) (note 2)
VOV Overvoltage protection threshold
30
VUV Undervoltage protection threshold
tpw_min Output minimum pulse width
No Load
70
80
mA
6
8
A
35
40
V
7
V
150
ns
Notes: 1. The following table explains the VL, VH variation with Ibias
Ibias
VLmin
VHmax
Unit
2.7
0.7
1.5
V
3.3
0.8
1.7
V
5
0.85
1.85
V
Note 2: If used in single BTL configuration, the device may be not short circuit protected
LOGIC TRUTH TABLE (see fig. 2)
TRI-STATE
INxA
INxB
Q1
Q2
Q3
0
X
X
OFF
OFF
OFF
1
0
0
OFF
OFF
ON
1
0
1
OFF
ON
ON
1
1
0
ON
OFF
OFF
1
1
1
ON
ON
OFF
Q4
OFF
ON
OFF
ON
OFF
OUTPUT
MODE
Hi-Z
DUMP
NEGATIVE
POSITIVE
Not used
5/10
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