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): 12/38頁
文件大?。?/td> 1145K
代理商: NCP1239
NCP1239
http://onsemi.com
12
TEMPERATURE (
°
C)
125
100
75
50
25
25
410
415
420
430
435
F
s
425
445
450
440
0
125
40
60
80
120
140
180
TEMPERATURE (
°
C)
100
75
50
25
25
I
o
100
160
BO = 2 V
BO = 1 V
0
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (
°
C)
125
100
75
50
25
25
0.508
V
o
Figure 23. Pin 9 Current vs. Temperature
(@ V
pin9
= 0.5 V) (NCP1239F)
Figure 24. Over Power Limitation Threshold vs.
Temperature (NCP1239F)
0
0.506
0.504
0.502
0.500
0.498
0.496
0.494
0.492
TEMPERATURE (
°
C)
125
100
75
50
25
25
B
0.510
TEMPERATURE (
°
C)
125
100
75
50
25
25
F
s
780
0
0
TEMPERATURE (
°
C)
125
100
75
50
25
25
0.920
I
L
0
Figure 25. Maximum Current Setpoint vs.
Temperature
Figure 26. Default Feedback Threshold for
Standby Detection vs. Temperature
Figure 27. Default Feedback Level for Normal
Operation Recovery
Figure 28. BrownOut Upper Threshold vs.
Temperature
0.915
0.910
0.905
0.900
0.895
0.890
0.890
0.885
0.880
770
760
750
740
730
720
710
700
0.505
0.500
0.495
0.490
0.485
0.480
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