参数资料
型号: MC33261
厂商: Motorola, Inc.
元件分类: 基准电压源/电流源
英文描述: POWER FACTOR CONTROLLERS
中文描述: 功率因数控制器
文件页数: 5/12页
文件大小: 309K
代理商: MC33261
MC34261 MC33261
5
MOTOROLA ANALOG IC DEVICE DATA
Figure 9. Zero Current Detector Input Threshold
Voltage Change versus Temperature
–55
–25
0
25
50
75
100
125
TA, AMBIENT TEMPERATURE (
°
C)
VC
Minimum Operating Threshold
(VCC Decreasing)
Figure 10. Output Saturation Voltage
versus Load Current
Gnd
VCC
Vs
0
80
160
240
320
IO, OUTPUT LOAD CURRENT (mA)
Source Saturation
(Load to Ground)
Sink Saturation
(Load to VCC)
VCC = 12 V
80
μ
s Pulsed Load
120 Hz Rate
Figure 11. Drive Output Waveform
Vt
–55
–25
0
25
50
75
100
125
TA, AMBIENT TEMPERATURE (
°
C)
VCC = 12 V
Upper Threshold
(Vin Increasing)
Lower Threshold
(Vin Decreasing)
Figure 12. Drive Output Cross Conduction
Figure 13. Supply Current versus Supply Voltage
Figure 14. Undervoltage Lockout Thresholds
versus Temperature
IC
10
20
30
40
VCC, SUPPLY VOLTAGE (V)
VFB = 0 V
Current Sense = 0 V
Multiplier = 0 V
CL = 1.0 nF
f = 50 kHz
TA = 25
°
C
VCC = 12 V
CL = 1.0 nF
TA = 25
°
C
VCC = 12 V
CL = 15 pF
TA = 25
°
C
5
90
%
1
10
%
100 ns/DIV
100 ns/DIV
IC
VO
12
11
10
9.0
8.0
6.0
7.0
0
–2.0
–4.0
–6.0
2.0
0
4.0
40
20
0
–20
–40
16
12
8.0
4.0
0
0
Startup Threshold
(VCC Increasing)
相关PDF资料
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