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參數(shù)資料
| 型號(hào)： | NCP1205PG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback |
| 中文描述： | SWITCHING CONTROLLER, 125 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | LEAD FREE, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 5/17頁(yè) |
| 文件大?。?/td> | 277K |
| 代理商： | NCP1205PG |
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NCP1205
http://onsemi.com
5
Figure 4. Internal Circuit Architecture for PDIP
14 Version
3
4
+
+
+
Internal Regulator
Internal Clamp
DEMAG
Last Pulse of Demag
after 4 s
Flip
Flop
Lasts more than 128 ms
> Protection Circuitry
V
CO
Feedback
T
off
= f (V
err
)
Max T
off
= f (Ct)
Over Current
Protection (OCP)
V(
) < 1.5 V
V
err
Max = 3 V
V
err
Min = 10 mV
Internal V
CC
Ri
Rf
1
5
200 ns L.E.B
2.5 V
1/3
+
14
Clock
R
Q
D
Driver
Current Comparator
2
M
HV
Demag
FB
Ct
V
CC
DRV
I
sense
GND
Startup
UVLO
H
= 15 V
UVLO
L
= 7.2 V
2
1 V
V
err
2
7
6
13
12
11
10
8
9
2.0 k
OVP
+
+
OVP
2.8 V
18 k
V
CC
Pin 13
NC
NC
OVP
NC
NC
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PDF描述 |
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| NCP1205P | Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback |
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| NCP1205 | Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| NCP1207/D | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:PWM Current-Mode Controller for Quasi-Resonant Operation |
| NCP1207A | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation |
| NCP1207A_06 | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:PWM Current−Mode Controller for Free Running Quasi−Resonant Operation |
| NCP1207A_07 | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation |
| NCP1207A_10 | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:PWM Current--Mode Controller for Free Running Quasi--Resonant Operation |
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