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STA518 数据表(PDF) 10 Page - STMicroelectronics

部件名 STA518
功能描述  40V 3.5A quad power half bridge
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA518 数据表(HTML) 10 Page - STMicroelectronics

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Electrical specifications
STA518
10/19
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
operation
(both channel switching)
VCC = 30V;
Input pulse width = 50% Duty;
Switching Frequency = 384kHz;
No LC filters;
50
mA
IVCC-q
Isc (short circuit current limit) (2)
VCC = 30V
3.5
6
A
VUV
Undervoltage protection
threshold
7V
tpw_min
Output minimum pulse width
No Load
70
150
ns
1.
The Table 7 explains the VLOW, VHIGH variation with Ibias.
2.
See relevant Application Note AN1994
Table 6.
Electrical Characteristcs (continued)
Refer to circuit in Figure 3 (VL = 3.3V; VCC = 30V; RL = 8Ω; fsw = 384KHz;
Tamb = 25°C unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Table 7.
VLOW, VHIGH variation with Ibias
VL
VLow min
VHigh max
Unit
2.7
0.7
1.5
V
3.3
0.8
1.7
V
50.85
1.85
V
Table 8.
Logic Truth Table (see Figure 4)
TRI-STATE
INxA
INxB
Q1Q2
Q3Q4
OUTPUT
MODE
0
x
x
OFF
OFF
OFF
OFF
Hi-Z
1
0
0
OFF
OFF
ON
ON
DUMP
1
0
1
OFF
ON
ON
OFF
NEGATIVE
1
1
0
ON
OFF
OFF
ON
POSITIVE
1
1
1
ON
ON
OFF
OFF
Not used



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