参数资料
型号: NCP1380CDR2G
厂商: ON Semiconductor
文件页数: 25/26页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO PWM 8SOIC
产品变化通告: NCP1380 Pulldown Resistor Spec Change 01/Jul/2011
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
电源电压: 9 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
NCP1380
Figure 45. Operating Chronograms in Case of Overvoltage
The following equations show how to calculate the
brownout resistors.
First of all, select the bulk voltage value at which the
controller must start switching (V bulk(on) ) and the bulk
R bol +
V BO V bulk ( on ) * V bulk off
I BO V bulk ( on ) * V BO
(eq. 9)
voltage for shutdown (V bulk(off) ). Then use the following
equation to calculate R bou and R bol .
R bou +
R bol V bulk ( on ) * V BO
V BO
(eq. 10)
ORDERING INFORMATION
Device
NCP1380ADR2G
NCP1380BDR2G
NCP1380CDR2G
NCP1380DDR2G
Package
SOIC?8
(Pb?Free)
SOIC?8
(Pb?Free)
SOIC?8
(Pb?Free)
SOIC?8
Shipping ?
2500 / Tape & Reel
2500 / Tape & Reel
2500 / Tape & Reel
2500 / Tape & Reel
(Pb?Free)
?For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
25
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