參數(shù)資料
型號: NCP1239
廠商: ON SEMICONDUCTOR
英文描述: Low−Standby High Performance PWM Controller
文件頁數(shù): 11/38頁
文件大?。?/td> 1145K
代理商: NCP1239
NCP1239
http://onsemi.com
11
TEMPERATURE (
°
C)
125
100
75
50
25
25
2.0
3.0
8.0
V
TEMPERATURE (
°
C)
125
100
75
50
25
25
R
0
5.0
6.0
4.0
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 17. Driver High State Voltage Drop
vs. Temperature
Figure 18. Driver Sink Resistance
vs. Temperature
3.0
0
0
12300
TEMPERATURE (
°
C)
TEMPERATURE (
°
C)
125
100
75
50
25
25
79
81
83
125
100
75
50
25
25
6700
D
K
o
130 kHz
77
78
80
82
Figure 19. Driver Voltage Clamp vs. Temperature
Figure 20. Maximum Duty Cycle vs. Temperature
(NCP1239F)
Figure 21. Oscillator K
osc
Parameter vs. Temperature
(K
osc
= fsw * R
pin4
) (NCP1239F)
TEMPERATURE (
°
C)
125
100
75
50
25
25
16
V
65 kHz
0
0
0
TEMPERATURE (
°
C)
125
100
75
50
25
K
o
K
osc1
@ 130 kHz
Figure 22. Oscillator K
osc
Parameter vs. Temperature
(K
osc
= fsw * R
pin4
) (NCP1239V)
K
osc2
@ 260 kHz
25
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
7.0
1.0
15
14
13
12
10
11
10
6650
6600
6550
6500
6450
6400
12150
12000
11850
11700
11550
11400
11250
0
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