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參數(shù)資料
| 型號： | NCP1209 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | PWM Voltage Mode Controller(電壓模式控制的PWM控制器) |
| 中文描述： | 脈寬調(diào)制電壓模式控制器（電壓模式控制的脈寬調(diào)制控制器） |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 62K |
| 代理商： | NCP1209 |
NCP1209
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 10 V, T
J
= 0
°
C up 105
°
C, Output Loaded with 1 nF)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Section
Output Resistor
Sink
Source
R
OL
R
OH
5
–
8.5
15
15
–
W
Output Voltage Rise Time (from 3 V up to 8 V)
t
r
–
50
–
ns
Output Voltage Falling Edge Slew–Rate (from 8 V down to 3 V)
t
f
–
50
–
ns
Control Input Section
Duty Cycle @ I
pin3
= 450
μ
A
D
450
μ
A
–
–
0
%
Duty Cycle @ I
pin3
= 225
μ
A
D
225
μ
A
TBD
43
TBD
%
Control Input Clamp Voltage (Switching phase) @ I
pin3
= –225
μ
A
V
shunt
4.65
4.9
5.15
V
Latched–off Phase Control Input (stand–by) @ I
pin3
= 75
μ
A
V
LP–STBY
–
TBD
–
V
Latched–off Phase Control Input (stand–by) @ I
pin3
= 37
μ
A
V
LP–STBY
–
TBD
–
V
Internal Pin3 Resistance
R
int3
TBD
2
TBD
k
(I
supply
– I
CC
) / I
pin3
(75
μ
A)
K3(75)
–
20
–
–
(I
supply
– I
CC
) / I
pin3
(75
μ
A)
K3(37)
–
20
–
–
Current Sense Section
Maximum Sense Input Threshold
V
CS–th
0.9
1.0
1.05
V
Input Bias Current
I
B–cs
–1.8
–
+1.8
mA
Current Sense Source Current during Start–up Phase
I
CS–stup
180
200
220
mA
Stand–by Current Sense Input Current
I
CS–stby
97
100
103
mA
LEB + Propagation Delay (P45)
T
DLY
TBD
TBD
TBD
ns
LEB + Propagation Delay (P65)
T
DLY
TBD
TBD
TBD
ns
LEB + Propagation Delay (P77)
T
DLY
TBD
350
TBD
ns
Current Sense Propagation Delay (Pin2 to OUT) (P45)
T
prg
TBD
TBD
TBD
ns
Current Sense Propagation Delay (Pin2 to OUT) (P65)
T
prg
TBD
TBD
TBD
ns
Current Sense Propagation Delay (Pin2 to OUT) (P77)
T
prg
TBD
175
TBD
ns
Leading Edge Blanking T
DLY
– T
prg
(P45)
T
LEB
–
TBD
–
ns
Leading Edge Blanking T
DLY
– T
prg
(P65)
T
LEB
–
TBD
–
ns
Leading Edge Blanking T
DLY
– T
prg
(P77)
T
LEB
–
TBD
–
ns
Oscillator Section
Normal Operation Frequency (P45)
f
osc
41.8
45
48.1
kHz
Normal Operation Frequency (P65)
f
osc
60.45
65
69.55
kHz
Normal Operation Frequency (P77)
f
osc
71.6
77
82.4
kHz
Maximum Duty Cycle @ f = f
osc
d
max
76
80
84
%
Overvoltage Section
OVP threshold level on V
CC
V
cc–ovp
15.9
16.4
16.9
V
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相關(guān)代理商/技術(shù)參數(shù) |
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| NCP1209/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PWM Voltage Mode Controller |
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| NCP1212DR2 | 功能描述:電流型 PWM 控制器 High Performance RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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