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Power Conversion Solutions from ON Semiconductor
ON Your Way to Designing Efficient Power Supplies. . .
Designing world-class power supplies is getting harder. Every year, your customers demand more power from a smaller space at a lower cost. In addition, new regulations are imposing increasingly stringent requirements on power conversion efficiency, quality, and standby consumption. ON Semiconductor provides a diverse portfolio of power management solutions to meet the needs of designers worldwide. Our products help you produce more power in a smaller footprint while meeting power consumption specifications such as Energy Star(R) and Blue Angel*, and PFC requirements such as IEC1000-3-2. ON Semiconductor covers the complete power chain, from industrial power supplies to consumer applications such as DVD players, set top boxes, computers, laptops and cell phones.
SPICE Models Available
ON Semiconductor offers full power solutions with dedicated SPICE models implemented in a working template. Both transient simulations and small-signal analysis help you test your design quickly and safely - before you get out the soldering iron. In partnership with Intusoft(R), our free demonstration kit lets you simulate working applications from wall adapters to multi-output power supplies. Individual models are available online at: http://www.onsemi.com/support/models/powermanagement Or order the SPICE Simulation CDROM at: http://www.onsemi.com/orderlit
Reach the Minimum. . .
Complying with existing and future energy conversion regulations can be challenging. Power controllers and switching regulators from ON Semi-conductor minimize standby power consumption and maximize power conversion efficiency. For example, a 70 W power supply reference design built with the NCP1203 has been shown to consume only 86 mW at no-load conditions -- the best performance in its class. For two consecutive years, ON Semiconductor has been the only chip manufacturer recognized by the China Standard Certification Center (CSC, formerly the CECP) to support China's drive for standby power reduction and energy conservation. We are participating in European Commission (EC) work groups developing a Code of Conduct to help reduce standby losses in a wide range of consumer equipment.
Simulated
Measured
High Voltage Technology
Very High Voltage Integrated Circuit Technology (VHVIC):
~ High speed and high accuracy control with high voltage switching on a single die ~ Power switching devices scalable from 200 Volts to over 1000 Volts ~ High density logic for intelligent featureset products ~ Medium voltage analog from 10 Volts to 60 Volts for off-line connection and direct power switch drive
Winning Feature Set
ON Semiconductor offers a wide variety of controllers with features to fit your application:
~ Fixed frequency current or voltage mode topologies ~ Variable-frequency Quasi-Resonant (QR) and resonant mode architectures for higher efficiency and better EMI ~ Skip cycle, Soft-SkipTM or frequency foldback circuits for excellent standby performance ~ Fixed on-time/variable off-time switching for low power applications ~ Hysteretic-type control for ease of implementation ~ Comprehensive protection and safety options
If you want to design a Power Supply. . . CTRL + MOS
Go to page 3
REGULATOR
Go to page 6
Page 2
Power Conversion Solutions
Power Factor Controllers
Minimize THD and Maximize PF and Efficiency. . .
IEC 1000-3-2 standards set regulations to limit the harmonics injected into the AC line by any equipment drawing more than 75 W of input power for class D equipment (TV sets, PC monitors, desktop PCs) and 25 W for class C equipment (lighting). A front-end Power Factor Controller is then required in these power supplies. Adding such a stage can lead to difficulties in meeting other regulatory requirements (standby and active power) unless you make judicious design choices. Above challenges have been fully understood by ON Semiconductor which steadily releases innovative PFC controllers matching designers' wishes of simple, compact and robust solutions. These new PFCs represent perfect solutions in various applications such as Flat TVs, ATX Power supply & Servers, Telecom and Industrial SMPS where cost will, of course, always be a primary factor, but where you can also base differentiation on performance.
Key Features & Benefits
~ Solutions for both Critical Conduction Mode and Continuous Conduction Mode i Design flexibility and better applications coverage ~ Follower Boost Mode Capability i Flexibility & Compactness as well as Cost reduction ~ Fixed frequency & Synchronization capability i Smoother EMI & Flexibility
U1 KBU6K C15 680nF C12 4.7nF Type=Y1 MC R2 470k C9 100nF C1 100nF Type=X2
~ Low consumption during start-up and shutdown mode i Help Meet Low Stand-by Power Requirements ~ Several Integrated protections such as * Over Current and Voltage Limitations * In-rush Current Detection * Feed-back loop Failure Detection i Design flexibility and rugged design
L1 600 H R5 680k R4 4.7M R8 680k R9 560k 12V C2* 100 F C3 100nF C4 22 F M1 SPP20N60S5 D1 CS004060
1 2 3 NCP1653
8 7 6 5
R3 56k C5 1nF R1 4.5 R10 10k
390V
C13 4.7nF Type =Y1
C8 1nF C6 1nF
L4 150 H
C7 100nF
4
R6 2.85k
C11 1F Type =X2 L N EARTH 90-265VAC
NCP1653 Demo Board
R7 0.1
*C2 Type = Snap-In 450V
NCP1653 - 300 W PFC Front-Stage
POWER FACTOR CONTROLLERS
L I G H T I N G
Device
MC33260 MC33262 MC33368 NCP1601 NCP1606 NCP1603 NCP1651 NCP1652 NCP1653 NCP1650
Max Output Power (W)
300 200 300 400 200 250 250 250 1000 5000
In-Rush Detect
Current Limit
Power Limit
HV Start-Up
Brown-Out
Topology
Boost Boost Boost Boost Boost Combo Flyback5 1-Stage Flyback 1-Stage Flyback Boost Boost
Mode
CRM6 CRM6 CRM6 CRM6/DCM2 CRM6 CRM6/DCM2 CCM1/DCM2 CCM1/DCM2 CCM1/DCM2 CCM1/DCM2
Operation Mode
Voltage Current Current Fixed Freq Voltage Voltage Current Average Current Average Current Average Current Average Current
Shutdown
4 4 4 4 4 4
OVP3
UVP4
Package(s)
SOIC-8, PDIP-8 SOIC-8, PDIP-8 SOIC-16, PDIP-16 SOIC-8, PDIP-8 SOIC-8, PDIP-8 SOIC-16 SOIC-16 SOIC-16 SOIC-8, PDIP-8 SOIC-16
4
Yes Is Your Input Power Above 25 W? No
4 4 4
4 4 4 4 4 4
4
4 4 4 4 4 4
4 4
4 4 4 4 4 4 4 4 4 4
4
4 4 4 4 4 4 4 4
1. Continuous Conduction Mode 2. Discontinuous Conduction Mode 3. Overvoltage Protection 4. Undervoltage Protection 5. NCP1603 - combination of NCP1601 & NCP1203 6. Critical Conduction Mode
Page 3
Power Conversion Solutions
Variable Frequency Controllers
Minimum EMI, Maximum Efficiency. . .
ON Semiconductor's variable frequency controllers include quasi-resonant and resonant controllers. These controllers are used respectively in critical conduction mode quasi-resonant flyback converters and half bridge resonant LLC converters. These topologies minimize EMI radiation, provide better magnetic utilization and offer excellent power conversion efficiency - up to 90%. Our variable frequency controllers combine the advantages of working directly off-line (with our proprietary VHVIC technology) with the ability to drive an external high-voltage MOSFET of your choice, and offer you more design flexibility than our competitors.
A 60 W Power Adapter Using NCP1337
12 V NTP75N06 OPTO-1 OPTO-2 SMPS MOSFET
EMI Filter AC
NCP1337 SMPS Controller
Synchronous Rectification Circuitry 12V 12V OPTO-1 TL431 OPTO-2 12V
Key Features & Benefits
~ ~ ~ ~ ~ ~ ~ Quasi-resonant mode valley switching i Minimizes EMI i Reduces switching losses High-voltage start-up-current source i Offers clean loss-less start-up sequence Dynamic Self Supply (DSS) capability i Simplifies transformer design Adjustable skip-mode and Soft-SkipTM capability i No acoustic noise generation Gate drive capability up to 500 mA i Gives flexibility in choosing external MOSFET Over-current and over-voltage protection i Protects circuitry Over-power compensation
Flyback Quasi-Resonant Controller Technology for Increased Efficiency and Lower EMI
Voltage Feedback
Over Voltage Protection
VARIABLE FREQUENCY CONTROLLERS
Variable toff Operating Mode
Device NCP1215A NCP1351 NCP1205 NCP1207A NCP1308 NCP1337 NCP1377/B NCP1378 NCP1381 NCP1395
Max Output Power1 (W) 10 50 150 150/1001 150 200 150 150 200 500
Mode Current, Var toff Current, Var toff Current Current Current Current Current Current Current Voltage
Standby Power Method Freq Foldback Freq Foldback Freq Foldback Adj Skip Cycle Adj Skip Cycle Adj Skip Cycle Adj Skip Cycle Adj Skip Cycle Adj Skip Cycle Adj Skip Cycle
Output Gate Drive (mA) @ VCC = 11V 30 150 300 500 500 500 500 500 500 180
Max Switching Frequency (kHz) Adjustable 65 Adj., Default 125 Set by Min, Toff = 8s Set by Min, Toff = 10s 130 Set by Min, Toff = 3 or 8s Set by Min, Toff = 8s 125 1000
500V Off-Line Startup FET Dynamic Self Supply
Brown-Out
Soft-Start
Enable
Latch
OPC3
OVP2
Package(s) SO-8, TSOP-6 SO-8 SO-16, PDIP-8, PDIP-14 SO-8, PDIP-8 SO-8 SO-7, PDIP-7 SO-7, PDIP-7 SO-7, PDIP-7 SO-14 SOIC-16, PDIP-16
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
Yes EMI Troubling? Need higher efficiency? No
QuasiResonant
Resonant
4 4 4 4 4 4 4 4 4 4
4
4
4
4
4 4
1. Maximum Power Output with DSS 2. Overvoltage Protection 3. Over Power Compensation
Page 4
Fixed Frequency Controllers
Low Cost and Low Power Consumption. . .
Fixed frequency controllers from ON Semiconductor are the perfect solution for many applications. DVD players, set-top boxes, notebook power adapters, printers, scanners, LCD monitors, and a wealth of other end products use our controllers. Extremely low standby power helps you easily meet applicable regulations. The Dynamic Self-Supply (DSS) feature of our devices saves cost by avoiding the use of an auxiliary transformer winding, and current-mode topologies give tighter control of output voltage. Our fixed frequency controllers can help you meet your toughest design challenges while still keeping cost to a minimum.
Key Features & Benefits
~ Dynamic Self Supply (DSS) capability i No auxiliary transformer winding ~ Current-mode control with adjustable skip-cycle and SoftSkipTMcapability i Provides excellent efficiency at light loads i No acoustic noise generation ~ Fixed frequencies up to 200 kHz i Offers suitable solution for all applications ~ High-voltage start-up-current source i Clean loss less start-up sequence
HV Pin Handles Up to 500 V Directly
~ Frequency jittering i Reduces EMI signature ~ Go-to-standby for PFC front stage i Minimizes standby losses ~ Internal short-circuit protection independent of auxiliary voltage i Reliable short-circuit protection, immediately reducing the output power ~ Under-voltage lockout at 7.6 V typical i Suitable for applications already using UC3843
+
AC Input
EMI Filter
Output Voltage
-
Latch Input
Latch Protection
skip/latch HV FB CS VCC Gnd Drv
HV Pin Protection
Adjust Skip Level Decoupling Capacitors
NCP1271
NCP1271 Demo Board
Compensation Ramp
Primary Current Limitation Current-Mode Operation
NCP1271 Typical Schematic for Fixed Frequency Controller with Soft-SkipTM
Ramp Compensation 500V Off-Line Starup FET Freq Jittering Dynamic Self Supply
FIXED FREQUENCY CONTROLLERS
Device
Max Output Power (W)
Mode
Standby Power Method Adj Skip Adj Skip Adj Skip Adj Skip Adj Skip Adj Skip Adj Skip Adj Skip w/ TLD5 Skip Cycle
Output Gate Drive (mA) @ VCC = 11V 250 250 250 500 500 500 500 500 200
Frequency Options (kHz) 40,60,100 60,100 40,60,100 65,100,133 65,100,133 Adj Up to 150 65,100,133 65,100 Adj Up to 1000
Brown-Out
Soft-Start
Enable 4 4 4 4 4 4 4 4
Latch
OVP4
Package(s) SO-8, PDIP-8 SO-8, PDIP-8 SO-8, PDIP-8 SO-8, PDIP-7 SO-7, PDIP-7 SO-8, PDIP-8 SO-8, PDIP-8 SO-7 SO-16
Low End
Yes Do you need low Standby power? No What features do you need?
High End
NCP1200 150/401 Current NCP1201 150 Current NCP1203 150 Current NCP1216/A 2 150/1001 Current NCP1217/A 2 150 Current NCP1212 150 Current NCP1230 150 Current NCP1271 150 Current NCP1282/1562* 400 Voltage
4 4 4 4 4 4 4*
4 4 4 4 4 4 4 4 4 4 4 4 4 43 43 4 4 4
4
4 4 4 4
4
EXT EXT EXT INT INT EXT INT INT EXT
4
4
1. Maximum power output with DSS 2. "A" Versions Have a 50% Max Duty Cycle for Forward Topologies 3. Only Available on "A" Versions 4. Overvoltage Protection 5. Transient Load Detection * NCP1562 has 100 V startup FET
Please visit our website at www.onsemi.com for additional options.
ON Semiconductor Page 5
Power Switching Regulators
Easier, Faster Power Designs and Fewer External Components. . .
Power Regulators from ON Semiconductor offer the simplest, most economical way to design a power supply compliant with stringent requirements on standby power. These highly integrated solutions reduce system size and external component count to a minimum. The Dynamic Self Supply feature can even eliminate the auxiliary winding of the transformer. The design of your power supply can be done in minutes - drastically reducing your time-to-market.
Key Features & Benefits
~ Highly integrated solution i Reduces system size and cost ~ Dynamic Self Supply (DSS) capability i No need for an auxiliary transformer winding ~ On-chip 700V power switch circuit i Compact and easy system design ~ Frequency jittering i Reduces EMI signature ~ Skip-cycle operation i No acoustic noise ~ Low power consumption i Allows energy ECO regulations compliance ~ Output overload and open loop protection i Protects your application ~ Over-power and brown-out protection ~ Ramp Compensation
POWER SWITCHING REGULATORS Max Output Power1 (W)
AC Line C1 100n L2 1mH C3 10u/400V L1 1.5mH C4 220u/25V D1 MUR160 R1 1k5 12V Output
NCP1014ST VCC HV GND FB C2 1n
D2 1N4007 C5 22u/25V
LD1 GRN
IO1 PC817
NCP1014 - 12 V, 200 mA Buck Application
Device
Mode
Voltage Voltage Gated Osc Gated Osc Gated Osc Gated Osc Gated Osc Gated Osc Current Current Current Current Current Current Voltage Voltage Voltage
Power Switch Voltage (V)
200 200 700 700 700 700 700 700 700 700 700 700 700 700 700 700 700
Peak Current Limit (mA)
515 1050 100 200 300 400 530 680 100 250 250 350 450 800 0.5 1 1.5
Freq Jittering
Dynamic Self Supply
Typ2 Min RDS(on) HV () Startup
4.1 2.1 22 22 22 10 10 10 22 22 11 11 11 5.6 18 9 6 16.8 16.8 20 20 20 20 20 20 30 30 30 30 30 30 100 100 100
Frequency Options (kHz)
Up to 1000 Up to 1000 44, 100, 136 44, 100, 136 44, 100, 136 44, 100, 136 44, 100, 136 44, 100, 136 65, 100, 130 65, 100, 130 65, 100, 130 65, 100, 130 65, 100 65, 100 100 100 100
Soft-Start
Enable
Package(s)
SOIC-8, Micro8 SOIC-8, Micro8 PDIP-7, SOT-223 PDIP-7, SOT-223 PDIP-7, SOT-223 PDIP-7, SOT-223 PDIP-7, SOT-223 PDIP-7, SOT-223 PDIP-7, SOT-2233 PDIP-7, SOT-223, GullWing4 PDIP-7, SOT-2233 PDIP-7, SOT-2233 PDIP-7, SOT-223, GullWing4 PDIP-73 PDIP-8 PDIP-8 PDIP-8
Less than 20W
What power output do you need?
Yes Is the size your priority? No
More than 20W
NCP1030 3 NCP1031 6 NCP1050 10 NCP1051 10 NCP1052 10 NCP1053 20 NCP1054 20 NCP1055 20 NCP1010 4 NCP1011 11 NCP1012 11 NCP1013 15 NCP1014 19 / 171 NCP1027/28 20 NCP1000 20 NCP1001 30 NCP1002 50
4 4 4 4 4 4 4 4 4 4 4 4 4
4 4 4 4 4 4 4 4 4 4 4 4
4 4 4 4 4 4
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
1. Maximum Power Output with DSS 2. Typical at 25C 3. Gullwing package available on Demand 4. Gullwing SMD DIP-7
Please visit our website at www.onsemi.com for additional options.
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