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STA328 数据表(PDF) 7 Page - STMicroelectronics

部件名 STA328
功能描述  2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM
PDF  41 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA328 数据表(HTML) 7 Page - STMicroelectronics

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STA328
4.3 Power Electrical Characteristcs (VL = 3.3V; Vcc = 30V; Tamb = 25°C unless otherwise specified
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
RdsON
Power Pchannel/Nchannel
MOSFET RdsON
Id=1A
200
270
m
Ω
Idss
Power Pchannel/Nchannel
leakage Idss
Vcc=35V
50
µA
gN
Power Pchannel RdsON Matching Id=1A
95
%
gP
Power Nchannel RdsON
Matching
Id=1A
95
%
Dt_s
Low current Dead Time (static)
see test circuit no.1; see fig. 1
10
20
ns
td ON
Turn-on delay time
Resistive load
100
ns
td OFF
Turn-off delay time
Resistive load
100
ns
tr
Rise time
Resistive load
25
ns
tf
Fall time
Resistive load; as fig. 1
25
ns
VCC
Supply voltage operating voltage
10
36
V
VL
Low logical state voltage VL
VL = 3.3V
0.8
V
VH
High logical state voltage VH
VL = 3.3V
1.7
V
IVCC-
PWRDN
Supply Current from Vcc in
PWRDN
PWRDN = 0
3
mA
IVCC-hiz
Supply current from Vcc in Tri-
state
Vcc=30V; Tri-state
22
mA
IVCC
Supply current from Vcc in
operation
(both channel switching)
Input pulse width = 50% Duty;
Switching Frequency = 384Khz;
No LC filters;
80
mA
Iout-sh
Overcurrent protection threshold
(short circuit current limit)
4.5
6
A
VUV
Undervoltage protection threshold
7
V
tpw-min
Output minimum pulse width
No Load
70
150
ns
Po
Output Power (refer to test circuit
THD = 10%
RL = 4
Ω; VS = 21V
RL = 8
Ω; VS = 36V
50
80
W
W
Po
Output Power (refer to test circuit
THD = 1%
RL = 4
Ω; VS = 21V
RL = 8
Ω; VS = 36V
40
62
W
W



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