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NCP1215DR2G

Description
Low Cost Variable OFF Time Switched Mode Power Supply Controller
CategoryPower/power management    The power supply circuit   
File Size155KB,16 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Environmental Compliance
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NCP1215DR2G Overview

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215DR2G Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerON Semiconductor
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts6
Reach Compliance Codeunknow
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeCURRENT-MODE
Minimum input voltage8 V
Nominal input voltage12 V
JESD-30 codeR-PDSO-G6
JESD-609 codee3
length4.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum output current0.03 A
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.75 mm
surface mountYES
Switch configurationSINGLE
Terminal surfaceTin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3.9 mm
NCP1215
Low Cost Variable OFF Time
Switched Mode Power
Supply Controller
The NCP1215 is a controller for low power off−line flyback
Switchemode Power Supplies (SMPS) featuring low size, weight and
cost constraints together with a good low standby power performance.
The operating principle uses switching frequency reduction at light
load by increasing the OFF Time. Also, when OFF Time expands, the
peak current is gradually reduced down to approximately 1/4 of the
maximum peak current to prevent from exciting the transformer
mechanical resonances. The risk of acoustic noise is thus greatly
diminished while keeping good standby power performance.
A low power internal supply block also ensures very low current
consumption at startup without hampering the standby power
performance.
A special primary current sensing technique minimizes the impact
of SMPS switching on control IC operation. The choice of peak
voltage across the current sense resistor allows dissipation to be
further reduced. The negative current sensing technique offers
advantages over a traditional approach by avoiding the voltage drop
incurred by traditional MOSFET source sensing. Thus, the IC drive
capability is greatly improved.
Finally, the bulk input ripple ensures a natural frequency dithering
which smooths the EMI signature.
Features
http://onsemi.com
MARKING
DIAGRAMS
8
8
1
SOIC−8
D SUFFIX
CASE 751
1
6
TSOP−6
(SOT23−6, SC59−6)
SN SUFFIX
CASE 318G
1
FAA
A
L
Y
W
P1215
ALYW
6
1
FAAYW
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
PIN CONNECTIONS
SOIC−8
FB 1
CT 2
CS 3
GND
4
(Top View)
TSOP−6
CS
GND
1
2
3
(Top View)
6
5
4
Gate
V
CC
FB
8
7
6
5
NC
NC
V
CC
Gate
Pb−Free Package is Available
Variable OFF Time Control Method
Very Low Current Consumption at Startup
Natural Frequency Dithering for Improved EMI Signature
Current Mode Control Operation
Peak Current Compression Reduces Transformer Noise
Programmable Current Sense Resistor Peak Voltage
Undervoltage Lockout
Typical Applications
CT
Auxiliary Power Supply
Standby Power Supply
AC−DC Adapter
Off−line Battery Charger
ORDERING INFORMATION
Device
NCP1215DR2
NCP1215DR2G
NCP1215SNT1
Package
SOIC−8
SOIC−8
(Pb−Free)
TSOP−6
Shipping
2500 Tape & Reel
2500 Tape & Reel
3000 Tape & Reel
†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.
©
Semiconductor Components Industries, LLC, 2005
1
July, 2005 − Rev. 3
Publication Order Number:
NCP1215/D

NCP1215DR2G Related Products

NCP1215DR2G NCP1215 NCP1215DR2 NCP1215SNT1
Description Low Cost Variable OFF Time Switched Mode Power Supply Controller Low Cost Variable OFF Time Switched Mode Power Supply Controller Low Cost Variable OFF Time Switched Mode Power Supply Controller Low Cost Variable OFF Time Switched Mode Power Supply Controller
Is it Rohs certified? conform to - incompatible incompatible
Maker ON Semiconductor - ON Semiconductor ON Semiconductor
Parts packaging code SOIC - SOIC TSOP
package instruction SOP, SOP8,.25 - SOP, SOP8,.25 TSSOP, TSOP5/6,.11,37
Contacts 6 - 8 6
Reach Compliance Code unknow - _compli _compli
ECCN code EAR99 - EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER - SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode CURRENT-MODE - CURRENT-MODE CURRENT-MODE
Minimum input voltage 8 V - 8 V 8 V
Nominal input voltage 12 V - 12 V 12 V
JESD-30 code R-PDSO-G6 - R-PDSO-G8 R-PDSO-G6
JESD-609 code e3 - e0 e0
length 4.9 mm - 4.9 mm 3 mm
Humidity sensitivity level 1 - 1 1
Number of functions 1 - 1 1
Number of terminals 6 - 8 6
Maximum output current 0.03 A - 0.03 A 0.03 A
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP - SOP TSSOP
Encapsulate equivalent code SOP8,.25 - SOP8,.25 TSOP5/6,.11,37
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE - SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 - 240 225
Certification status Not Qualified - Not Qualified Not Qualified
Maximum seat height 1.75 mm - 1.75 mm 1.1 mm
surface mount YES - YES YES
Switch configuration SINGLE - SINGLE SINGLE
Terminal surface Tin (Sn) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING - GULL WING GULL WING
Terminal pitch 1.27 mm - 1.27 mm 0.95 mm
Terminal location DUAL - DUAL DUAL
Maximum time at peak reflow temperature 40 - 30 NOT SPECIFIED
width 3.9 mm - 3.9 mm 1.5 mm
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