參數(shù)資料
型號(hào): MC34167
廠商: ON SEMICONDUCTOR
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(yè)數(shù): 4/20頁(yè)
文件大小: 263K
代理商: MC34167
MC34167, MC33167
http://onsemi.com
4
Figure 2. Voltage Feedback Input Threshold
versus Temperature
Figure 3. Voltage Feedback Input Bias
Current versus Temperature
Figure 4. Error Amp Open Loop Gain and
Phase versus Frequency
Figure 5. Error Amp Output Saturation
versus Sink Current
Figure 6. Oscillator Frequency Change
versus Temperature
Figure 7. Switch Output Duty Cycle
versus Compensation Voltage
20
A
10 M
10
f, FREQUENCY (Hz)
0
30
60
90
120
150
180
100
1.0 k
10 k
100 k
1.0 M
0
20
40
60
80
100
φ
Gain
Phase
1255
T
A
, AMBIENT TEMPERATURE (
°
C)
25
0
25
50
75
100
125
8.0
4.0
0
4.0
V
CC
= 12 V
,
O
f
Δ
4.85
55
V
T
A
, AMBIENT TEMPERATURE (
°
C)
4.93
5.01
5.09
5.17
5.25
25
0
25
50
75
100
125
V
CC
= 12 V
0
55
I
T
A
, AMBIENT TEMPERATURE (
°
C)
20
40
60
80
100
25
0
25
50
75
100
125
V
2.0
0
I
Sink
, OUTPUT SINK CURRENT (mA)
0.4
0.8
1.2
1.6
0
0.4
0.8
1.2
1.6
2.0
V
CC
= 12 V
V
FB
= 5.5 V
T
A
= +25
°
C
D
1.5
V
Comp
, COMPENSATION VOLTAGE (V)
2.0
2.5
3.0
3.5
4.0
0
20
40
60
80
100
V
CC
= 12 V
T
A
= +25
°
C
4.5
V
CC
= 12 V
V
Comp
= 3.25 V
R
L
= 100 k
T
A
= +25
°
C
V
FB(th)
Max = 5.15 V
V
FB(th)
Min = 4.95 V
V
FB(th)
Typ = 5.05 V
V
CC
= 12 V
V
FB
= V
FB(th)
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