參數(shù)資料
型號(hào): NCP1560
廠商: ON SEMICONDUCTOR
英文描述: Full Featured Voltage Mode PWM Controller(全性能電壓模式PWM控制器)
中文描述: 全功能電壓模式PWM控制器(全性能電壓模式的PWM控制器)
文件頁(yè)數(shù): 10/18頁(yè)
文件大?。?/td> 122K
代理商: NCP1560
NCP1560
http://onsemi.com
10
Typical Characteristics
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
-25
-50
3.0
3.5
4.0
4.5
5.0
5.5
6.5
7.0
150
6.0
I
S
,
30
35
40
45
50
55
65
70
60
CHARGE
DISCHARGE
Figure 15. Oscillator Frequency versus
Junction Temperature
Figure 16. Oscillator Frequency versus
Timing Resistor
R
T
, TIMING RESISTOR (k )
400
300
250
200
150
100
50
0
100
200
300
400
600
500
f
o
,
350
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
-25
-50
285
290
295
300
305
310
150
315
f
o
,
R
T
= 101 k
T
J
= 25
°
C
DC
50%
525
450
225
150
75
0
0
10
20
40
60
90
D
M
,
375
300
30
50
T
J
= -40
°
C
T
J
= 125
°
C
80
70
V
in
= 36 V
V
EA
= 3.0 V
V
DCMAX
= 0 V
T
J
, JUNCTION TEMPERATURE (
°
C)
150
125
100
75
0
-25
-50
50
60
70
80
90
100
D
M
,
50
25
R
P
= OPEN, R
MDP
= OPEN
R
P
= 0 , R
MDP
= OPEN
V
in
= 36 V
R
FF
= 432 k
Figure 17. Feedforward Internal Resistance
versus Junction Temperature
150
125
100
75
0
-25
-50
9
10
11
12
13
14
15
19
18
17
F
50
25
16
Figure 18. Maximum Duty Cycle versus
Feedforward Current
Figure 19. Maximum Duty Cycle versus
Junction Temperature
Figure 20. Soft Start Charge/Discharge
Currents versus Junction Temperature
I
S
,
T
J
, JUNCTION TEMPERATURE (
°
C)
I
FF
, FEEDFORWARD CURRENT ( A)
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