參數(shù)資料
型號： NCP1205P2G
廠商： ON SEMICONDUCTOR
元件分類： 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, PDIP14
封裝： LEAD FREE, PLASTIC, DIP-14
文件頁數(shù)： 4/17頁
文件大?。?/td> 277K
代理商： NCP1205P2G
NCP1205
http://onsemi.com
4
Figure 3. Internal Circuit Architecture for PDIP
8 Version
2
3
+
+
+
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
4
5
7
6
200 ns L.E.B
2.5 V
1/3
+
8
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
+
+
OVP
2.8 V
18 k
相關(guān)PDF資料
PDF描述
NCP1205PG 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)
參數(shù)描述
NCP1205PG 功能描述:電流型 PWM 控制器 Single Ended Quasi Resonant PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 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
NCP1207/D 制造商:未知廠家 制造商全稱: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: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: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:ON Semiconductor 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation
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