參數(shù)資料
型號: STA323WTR
廠商: 意法半導(dǎo)體
英文描述: 2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM
中文描述: 2.1高效率數(shù)字音頻系統(tǒng)
文件頁數(shù): 7/41頁
文件大?。?/td> 749K
代理商: STA323WTR
7/41
STA323W
4.3 POWER ELECTRICAL CHARACTERISTCS (V
L
= 3.3V; Vcc = 30V; T
amb
= 25°C unless otherwise
specified
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
R
dsON
Power Pchannel/Nchannel
MOSFET RdsON
Id=1A
200
270
m
I
dss
Power Pchannel/Nchannel
leakage Idss
Vcc=35V
50
μ
A
g
N
Power Pchannel RdsON Matching Id=1A
95
%
g
P
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
t
d ON
Turn-on delay time
Resistive load
100
ns
t
d OFF
Turn-off delay time
Resistive load
100
ns
t
r
Rise time
Resistive load
25
ns
t
f
Fall time
Resistive load; as fig. 1
25
ns
V
CC
Supply voltage operating voltage
10
36
V
V
L
Low logical state voltage VL
V
L
= 3.3V
0.8
V
V
H
High logical state voltage VH
V
L
= 3.3V
1.7
V
I
VCC-
PWRDN
Supply Current from Vcc in
PWRDN
PWRDN = 0
3
mA
I
VCC-hiz
Supply current from Vcc in Tri-
state
Vcc=30V; Tri-state
22
mA
I
VCC
Supply current from Vcc in
operation
(both channel switching)
Input pulse width = 50% Duty;
Switching Frequency = 384Khz;
No LC filters;
80
mA
I
out-sh
Overcurrent protection threshold
(short circuit current limit)
4
6
A
V
UV
Undervoltage protection threshold
7
V
t
pw-min
Output minimum pulse width
No Load
70
150
ns
P
o
Output Power (refer to test circuit
THD = 10%
R
L
= 8
; V
S
= 18V
20
W
P
o
Output Power (refer to test circuit
THD = 1%
R
L
= 8
; V
S
= 18V
16
W
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