STA50013TR データシートの表示（PDF） - STMicroelectronics
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STA50013TR Datasheet PDF : 12 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. Unit
3
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;
t(s IOUT-SH Overcurrent Protection Threshold
3.5
c (short circuit current limit) (note 2)
u VOV Overvoltage protection threshold
30
rod ) VUV Undervoltage protection threshold
P t(s tpw_min Output minimum pulse width
No Load
70
80
mA
6
8
A
35
40
V
7
V
150
ns
lete duc Notes: 1. The following table explains the VL, VH variation with Ibias
so ro Ibias
VLmax
VHmin
Unit
- Ob te P 2.7
0.7
1.5
V
) le 3.3
0.8
1.7
V
t(s so 5
0.85
1.85
V
uc Ob Note 2: If used in single BTL configuration, the device may be not short circuit protected
rod ) - LOGIC TRUTH TABLE (see fig. 2)
P t(s TRI-STATE
INxA
INxB
Q1
Q2
Q3
lete duc 0
X
X
OFF
OFF
OFF
so ro 1
0
0
OFF
OFF
ON
b P 1
0
1
OFF
ON
ON
O lete 1
1
0
ON
OFF
OFF
Obso1
1
1
ON
ON
OFF
Q4
OFF
ON
OFF
ON
OFF
OUTPUT
MODE
Hi-Z
DUMP
NEGATIVE
POSITIVE
Not used
5/11
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