STA506 View Datasheet(PDF) - STMicroelectronics
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STA506 Datasheet PDF : 14 Pages
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STA506
TABLE 6. ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VIN-L Low level input voltage
VL/2 -
V
300mV
IIN-H Hi level Input current
Pin Voltage = VL
1
µA
IIN-L Low level input current
Pin Voltage = 0.3V
1
µA
IPWRDN-H Hi level PWRDN pin input current VL = 3.3V
35
µA
VLOW Low logical state voltage VLow VL = 3.3V
(pin PWRDN, TRISTATE) (note 1)
0.8
V
VHIGH High logical state voltage VHigh VL = 3.3V
(pin PWRDN, TRISTATE) (note 1)
1.7
V
IVCC- Supply CURRENT from Vcc in
PWRDN Power Down
PWRDN = 0
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
VCC = 30V; Tri-state = 0
22
mA
IVCC Supply Current from Vcc in
VCC =30V;
50
mA
operation
Input Pulse width = 50% Duty;
both channel switching)
Switching Frequency = 384KHz;
No LC filters;
IVCC-q Isc (short circuit current limit)
(note 2)
4
6
8
A
VOUT-SH Undervoltage protection threshold
7
V
VOV Output minimum pulse width
No Load
70
150
ns
Notes: 1. The following table explains the VLOW, VHIGH variation with VL
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
Q1
0
x
x
OFF
1
0
0
OFF
1
0
1
OFF
1
1
0
ON
1
1
1
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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