參數(shù)資料
型號(hào)： AV34063
廠商： Electronic Theatre Controls, Inc.
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
中文描述： 射頻放大器
文件頁(yè)數(shù)： 3/8頁(yè)
文件大?。?/td> 257K
代理商： AV34063
@vic
AV34063
ELECTRICAL CHARACTETRISTICS
(V
CC
=5.0V,T
A
=T
low
to T
high
[Note1],unless otherwise specified.)
Characteristics
OSCILLATOR
Frequency(V
pin5
=0V, C
T
=1.0nF, T
A
=25
)
Charge Current (V
CC
=5.0V to 40V, T
A
=25
)
Discharge Current (V
CC
=5.0V to 40V, T
A
=25
)
Discharge to Charge Current Ratio (Pin 7 to V
CC,
T
A
=25
Current Limit Sense Voltage (I
chg=
I
dischg,
T
A
=25
)
OUTPUT SWITCH (NOTE 2)
Saturation Voltage, Darlington Connection (Note 3)
(I
SW
=1.0A, Pins 1,8 connected)
Saturation Voltage, Darlington Connection
(I
SW
=1.0A, R
pin8
=82
to V
CC,
Forced
β≈
20)
DC Current Gain (I
SW
=1.0A,
V
CE
=5.0V
,
T
A
=25
)
Collector Off-State Current (
V
CE
=40V
)
COMPARATOR
Threshold Voltage
(T
A
=25
)
(T
A
= T
low
to T
high
)
Threshold Voltage Line Regulation (V
CC
=3.0V to 40V)
Input Bias Current (V
in
=0V)
Copyright Avic Electronics Corp.
3
Website:
http://www.avictek.com
Symbol
Min
Typ
Max
Unit
F
OSC
I
chg
I
dischg
I
dischg/
I
chg
V
ipk(sence)
24
24
140
5.2
250
33
35
220
6.5
300
42
42
260
7.5
350
KHz
μ
A
μ
A
-
mV
)
V
CE(sat)
-
1.0
1.3
V
V
CE(sat)
-
0.45
0.7
V
H
EF
I
C(Off)
50
-
75
0.01
-
-
100
μ
A
V
th
1.238
1.225
-
-
1.25
-
1.4
-20
1.262
1.275
5.0
-400
V
Reg
line
I
IB
mV
nA
TOTAL DEVICE
Supply Current ((V
CC
=5.0V to 40V, C
T
=1.0nF, (Pin 7 to
V
CC,
(Pin 5>
V
th
,
(Pin 2=Gnd, remaining pins open)
Notes: 1.
T
low
=0
T
high
=
+70
2.
Low duty cycle pulse techniques are used during test to maintain junction temperature as close
to ambient temperature as possible.
3.
If the output switch is driven into hard saturation (non-Darlington) at low switch current
(
≤
300mA) and high driver currents (
≥
30mA),it may take up to 2.0
μ
s for it to come out of
saturation. This condition will shorten the off time at frequencies
≥
30KHz, and is magnified at
high temperature. This condition does not occur with a Darlington configuration, since the
output switch cannot saturate. If a non-Darlington configuration is used, the following output
drive condition is recommended :
Forced
β
of output switch : ( I
C
output/( I
C
driver - 7.0mA)
≥
10 )
*
The 100
resister in the emitter of the driver device requires about 7.0mA before the output
switch conducts.
I
CC
-
-
4.0
mA
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