參數(shù)資料
型號(hào)： NCP1212DR2G
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： Current Mode PWM Controller for Both Forward and Flyback Converters
中文描述： 1 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO8
封裝： LEAD FREE, SOIC-8
文件頁(yè)數(shù)： 6/22頁(yè)
文件大小： 217K
代理商： NCP1212DR2G
NCP1212
http://onsemi.com
6
TYPICAL CHARACTERISTICS
25
53
27
1
F
O
,
75
T
J
, JUNCTION TEMPERATURE (
°
C)
95
T
J
, JUNCTION TEMPERATURE (
°
C)
80
85
90
105
V
C
,
T
1.05
Figure 3. Oscillator Frequency with 48% Duty
Cycle vs. Junction Temperature
Figure 4. Oscillator Frequency with 82% Duty
Cycle vs. Junction Temperature
Figure 5. Frequency Change against Supply
Voltage vs. Junction Temperature
Figure 6. Maximum Current Sense Input
Threshold Voltage vs. Junction Temperature
T
J
, JUNCTION TEMPERATURE (
°
C)
Figure 7. Propagation Delay vs. Junction
Temperature
T
J
, JUNCTION TEMPERATURE (
°
C)
Figure 8. Leading Edge Blanking Time vs.
Junction Temperature
T
J
, JUNCTION TEMPERATURE (
°
C)
1.15
0.9
1.2
79
70
50
100
60
80
90
0.1
0.04
F
O
,
0
25
0.12
T
J
, JUNCTION TEMPERATURE (
°
C)
0.02
0.06
0.08
1.0
1.1
0.95
160
T
P
,
0
25
200
40
80
120
350
200
T
L
,
100
400
150
250
300
F
O
,
25
53
27
1
105
79
53
27
1
105
79
25
53
27
1
105
79
53
27
1
105
79
25
53
27
1
105
79
DMAX = 48%
C
T
= 1 nF
V
CC
= 13V to 25V
DMAX = 82%
C
T
= 1 nF
相關(guān)PDF資料
PDF描述
NCP1212 Current Mode PWM Controller for Both Forward and Flyback Converters
NCP1212PG Current Mode PWM Controller for Both Forward and Flyback Converters
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