STA506A Просмотр технического описания (PDF) - STMicroelectronics
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STA506A Datasheet PDF : 14 Pages
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STA506A
Table 7. (continued)
Symbol
Parameter
VIN-L Low level input voltage
Test conditions
IIN-H Hi level Input current
Pin Voltage = VL
IIN-L Low level input current
Pin Voltage = 0.3V
IPWRDN-H Hi level PWRDN pin input current VL = 3.3V
VLOW Low logical state voltage VLow VL = 3.3V
(pin PWRDN, TRISTATE) (note 1)
VHIGH High logical state voltage VHigh VL = 3.3V
(pin 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
Vpin = 3.3V
IVCC-hiz Supply Current from Vcc in Tri-
state
VCC = 30V; Tri-state = 0
IVCC
Supply Current from Vcc in
operation
both channel switching)
VCC =30V;
Input Pulse width = 50% Duty;
Switching Frequency = 384KHz;
No LC filters;
IVCC-q Isc (short circuit current limit)
(note 2)
VUV Undervoltage protection threshold
tpw_min Output minimum pulse width
No Load
Min.
VL/2 -
300mV
0.8
4
70
Typ.
1
1
35
1
22
50
6
7
Notes: 1. The following table explains the VLOW, VHIGH variation with VL
Max.
1.7
3
8
150
Unit
V
µA
µA
µA
V
V
mA
mA
mA
mA
A
V
ns
Table 8.
VL
2.7
3.3
5
VLOW min
0.7
0.8
0.85
VHIGH max
1.5
1.7
1.85
Unit
V
V
V
Note 2: see relevant Application Note AN1994
Table 9. Logic Truth Table (see fig. 4)
TRI-STATE
INxA
INxB
0
x
x
1
0
0
1
0
1
1
1
0
1
1
1
Q1
OFF
OFF
OFF
ON
ON
Q2
OFF
OFF
ON
OFF
ON
Q3
OFF
ON
ON
OFF
OFF
Q4
OFF
ON
OFF
ON
OFF
OUTPUT
MODE
Hi-Z
DUMP
NEGATIVE
POSITIVE
Not used
5/14
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