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NCP1395 Datasheet(PDF) 1 Page - ON Semiconductor

Part No. NCP1395
Description  High Performance Resonant Mode Controller
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1395 Datasheet(HTML) 1 Page - ON Semiconductor

 
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© Semiconductor Components Industries, LLC, 2006
March, 2006 − Rev. 1
1
Publication Order Number:
NCP1395/D
NCP1395A/B
High Performance Resonant
Mode Controller
The NCP1395A/B offers everything needed to build a reliable and
rugged resonant mode power supply. Its unique architecture includes
a 1.0 MHz Voltage Controller Oscillator whose control mode brings
flexibility when an ORing function is a necessity, e.g. in multiple
feedback paths implementations. Protections featuring various
reaction times, e.g. immediate shutdown or timer−based event,
brown−out, broken optocoupler detection etc., contribute to a safer
converter design, without engendering additional circuitry
complexity. An adjustable deadtime also helps lowering the
shoot−through current contribution as the switching frequency
increases.
Finally, an onboard operational transconductance amplifier allows
for various configurations, including constant output current working
mode or traditional voltage regulation.
Features
High Frequency Operation from 50 kHz up to 1.0 MHz
Selectable Minimum Switching Frequency with "3% Accuracy
Adjustable Deadtime from 150 ns to 1.0 ms
Startup Sequence via an Adjustable Soft−Start
Brown−Out Protection for a Simpler PFC Association
Latched Input for Severe Fault Conditions, e.g. Overtemperature
or OVP
Timer−Based Input with Auto−Recovery Operation for Delayed
Event Reaction
Enable Input for Immediate Event Reaction or Simple ON/OFF
Control
Operational Transconductance Amplifier (OTA) for Multiple
Feedback Loops
VCC Operation up to 20 V
Low Startup Current of 300 mA Max
Common Collector Optocoupler Connection
Internal Temperature Shutdown
B Version Features 10 V VCC Startup Threshold for Auxiliary
Supply Usage
Easy No−Load Operation and Low Standby Power Due to
Programmable Skip−Cycle
These are Pb−Free Devices*
Typical Applications
LCD/Plasma TV Converters
High Power Ac−DC Adapters for Notebooks
Industrial and Medical Power Sources
Offline Battery Chargers
PDIP−16
P SUFFIX
CASE 648
PIN CONNECTIONS
http://onsemi.com
MARKING
DIAGRAMS
x
= A or B
A
= Assembly Location
WL
= Wafer Lot
YY, Y
= Year
WW
= Work Week
G
= Pb−Free Package
SO−16
D SUFFIX
CASE 751B
1395xDR2G
AWLYWW
1
16
1
2
3
4
5
6
7
8
16
15
14
12
11
10
9
(Top View
)
FB
Fmin
Fmax
DT
Css
Ctimer
BO
AGnd
NINV
Out
Vcc
B
PGnd
Slow Fault
A
13 Fast Fault
See detailed ordering and shipping information in the package
dimensions section on page 25 of this data sheet.
ORDERING INFORMATION
*For additional information on our Pb−Free strategy
and soldering details, please download the ON
Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
16
1
16
1
NCP1395xP
AWLYYWWG


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