STA505(2003) 데이터 시트보기 (PDF) - STMicroelectronics
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STA505 Datasheet PDF : 9 Pages
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STA505
ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
IPWRDN-H Hi level PWRDN pin input current Ibias = 3.3V
35
µA
VL Low logical state voltage VL (pin Ibias = 3.3V
0.8
V
PWRDN, TRISTATE) (note 1)
VH High logical state voltage VH (pin Ibias = 3.3V
PWRDN, TRISTATE) (note 1)
1.7
V
IVCC- Supply current from Vcc in Power PWRDN = 0
PWRDN Down
3
mA
IFAULT
Output Current pins
FAULT -TH-WARN when
FAULT CONDITIONS
Vpin = 3.3V
1
mA
IVCC-hiz Supply current from Vcc in Tri-
state
Tri-state=0
22
mA
IVCC Supply current from Vcc in
Input pulse width = 50% Duty;
80
mA
operation
Switching Frequency = 384Khz;
both channel switching)
No LC filters;
IVCC-q Isc (short circuit current limit)
(note 2)
3.5
6
8
A
IOUT-SH Undervoltage protection threshold
7
V
VOV Output minimum pulse width
No Load
70
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
5/9
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