STA508 データシートの表示（PDF） - STMicroelectronics
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STA508 Datasheet PDF : 11 Pages
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STA508
Table 6. ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
Test conditions
VH High logical state voltage VH (pin VL = 3.3V
PWRDN, TRISTATE) (note 1)
IVCC- Supply CURRENT from Vcc in
PWRDN Power Down
PWRDN = 0
IFAULT
Output Current pins
FAULT -TH-WARN when
FAULT CONDITIONS
IVCC-hiz Supply Current from Vcc in Tri-
state
Vpin = 3.3V
VCC = 30V; Tri-state = 0
IVCC Supply Current from Vcc in
operation
both channel switching)
IVCC-q Isc (short circuit current limit)
(note 2)
VCC =30V;
Input Pulse width = 50% Duty;
Switching Frequency = 384KHz;
No LC filters;
VUV Undervoltage protection threshold
tpw-min Output minimum pulse width
No Load
Min.
4.5
70
Typ. Max. Unit
1.7
V
3
mA
1
mA
22
mA
50
mA
6
9
A
7
V
150
ns
Table 7.
Notes: 1. The following table explains the VLow, VHigh variation with VL
VL
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
Note 2: See relevant Application Note AN1994
Table 8. Logic Truth Table (see fig. 5)
TRI-STATE
INxA
INxB
Q1
Q2
0
x
x
OFF
OFF
1
0
0
OFF
OFF
1
0
1
OFF
ON
1
1
0
ON
OFF
1
1
1
ON
ON
Q3
OFF
ON
ON
OFF
OFF
Q4
OFF
ON
OFF
ON
OFF
OUTPUT
MODE
Hi-Z
DUMP
NEGATIVE
POSITIVE
Not used
5/10
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