參數(shù)資料
型號(hào): NCP1239
廠商: ON SEMICONDUCTOR
英文描述: Low−Standby High Performance PWM Controller
文件頁(yè)數(shù): 23/38頁(yè)
文件大?。?/td> 1145K
代理商: NCP1239
NCP1239
http://onsemi.com
23
Figure 41.
Drv
100ms
< 100ms
Bunch length given by timer
Bunch length given by VccOFF
C
pin6
= 390 nF
When V
CC
drops faster than the timer, it prematurely interrupts the pulses flow.
The 100 ms delay could be shortened or lengthened by changing the Pin 6 capacitor.
V
CCOFF
V
CC
V
CCON
Figure 42.
Drv
100ms
100ms
t1
t2
t3
t’1
t’2
Latchoff phase level
Logic reset level
The burst period is ensured by the V
CC
capacitor charge/discharge cycle
The 100 ms delay could be shortened or lengthened by changing the Pin 6 capacitor.
C
pin6
=390 nF
V
CCOFF
V
CC
V
CCON
相關(guān)PDF資料
PDF描述
NCP1239FDR2 Low&#8722;Standby High Performance PWM Controller
NCP1239FDR2G Low&#8722;Standby High Performance PWM Controller
NCP1239VDR2 Low&#8722;Standby High Performance PWM Controller
NCP1239VDR2G Low&#8722;Standby High Performance PWM Controller
NCP1271 Soft&#8722;Skip Mode Standby PWM Controller with Adjustable Skip Level and External Latch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP1239D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Standby High Performance PWM Controller
NCP1239F 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators
NCP1239FDR2 功能描述:電流型 PWM 控制器 Low Standby Power RoHS:否 制造商:Texas Instruments 開(kāi)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
NCP1239FDR2G 功能描述:電流型 PWM 控制器 Low Standby Power High Performance PWM RoHS:否 制造商:Texas Instruments 開(kāi)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
NCP1239V 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators