參數(shù)資料
型號: AV34063
廠商: Electronic Theatre Controls, Inc.
元件分類: 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
文件頁數(shù): 4/8頁
文件大小: 257K
代理商: AV34063
@vic
AV34063
Copyright Avic Electronics Corp.
4
Website:
http://www.avictek.com
Typical Characteristics
1000
500
200
100
50
20
10
5.0
2.0
1.0
0.01 0.02 0.05
5.0 10
1.0
125
I
C
, COLLECTOR CURRENT(A)
T
0.2
0.1
0.5 1.0 2.0
Figure 1. Output Switch On–Off Time versus
Oscillator Timing Capacitor
C
T
, OSCILLATOR TIMING CAPACITOR (nF)
Figure2. Timing Capacitor Waveform
V
CC
=5V
Pin7=VCC
Pin5=Gnd
T
A
=25
t
on
t
off
V
CC
=5V
Pin7=VCC
Pin2=Gnd
Pins1,5,8=open
C
T
=1.0nF
T
A
=25
V
O
,
10μ s/DIV
2
V
C
1.8
1.7
1.6
15
1.4
1.3
1.2
1.1
0.2
0
0.4
06
0.8
1.0 1.2
1.4 1.6
V
CC
=5V
Pin1,7,8=V
CC
Pin3,5=Gnd
T
A
=25
(See Note 4)
V
CC
=5V
Pin7=V
CC
Pin2,3,5=Gnd
T
A
=25
(See Note 4)
Forced
β≈
20
Darlington Connection
V
C
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.2
0.4
0.6
0
0.8
1.0 1.2
1.4 1.6
I
E
, EMITTER CURRENT (A)
Figure 3. Emitter Follower Configuration Output
Saturation Voltage versus Emitter
C
t
Figure 4. Common Emitter Configuration Output
Switch Saturation Voltage versus
Collector Current
V
I
,
V
I
C
,
400
380
360
340
320
300
280
260
240
220
200
-55
-25
0
25
50
75
100
V
CC
=5V
I
chg
=I
disch
C
T
=1.0nF
Pin7=VCC
Pin2=Gnd
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
0
5.0
10
15
25
20
30
35
40
T
A
, AMBIENT TEMPERATURE (°C)
V
CC
, SUPPLY VOLTAGE (V)
Figure 5. Current Limit Sense Voltage
versus Temperature
Figure 6. Standby Supply Current versus
Supply Voltage
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