NCP1380 ON Semiconductor, NCP1380 Datasheet - Page 25

• Manufacturer Part Number: NCP1380
• Description: Quasi-Resonant Current Mode Controller
• Manufacturer: ON Semiconductor

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brownout resistors.
controller must start switching (V
voltage for shutdown (V
equation to calculate R
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
ORDERING INFORMATION
Specifications Brochure, BRD8011/D.
NCP1380ADR2G
NCP1380BDR2G
NCP1380CDR2G
NCP1380DDR2G
The following equations show how to calculate the
First of all, select the bulk voltage value at which the
Device
bou
bulk(off)
and R
Figure 45. Operating Chronograms in Case of Overvoltage
). Then use the following
bol
.
bulk(on)
) and the bulk
http://onsemi.com
(Pb−Free)
(Pb−Free)
(Pb−Free)
(Pb−Free)
Package
SOIC−8
SOIC−8
SOIC−8
SOIC−8
25
R
R
bol
bou
+
+
V
R
BO
I
bol
BO
V
2500 / Tape & Reel
2500 / Tape & Reel
2500 / Tape & Reel
2500 / Tape & Reel
V
V
bulk
bulk
bulk
V
Shipping
(
on
(
BO
on
(
on
)
)
* V
)
* V
* V
†
bulk off
BO
BO
(eq. 10)
(eq. 9)