EVBUM2341/D Implementing High Power Notebook Adapter Evaluation Board User's Manual High Power Notebook Adapter with the NCP1399, NCP1602, NCP4305, NCP4354 and NCP4810 www.onsemi.com EVAL BOARD USER’S MANUAL Table 1. GENERAL PARAMETERS Devices Applications Input Voltage Output Power Topology Board Size NCP1399 NCP1602 NCP4305 NCP4354 NCP4810 High Power NB Adapter 85 – 260 VAC 150 W CRM PFC & LLC 142 × 67.5 × 19.5 mm 13.16 W/inch3 Output Voltage VOUT Ripple Efficiency Operating Temperature Cooling Standby Power 19.5 V/7.7 A (9 A Curr. Limit) < 150 mV 3 to 7 A Load Steps Above 91% @ ILOAD > 2 A Convection Open Frame < 130 mW 0–50°C Key Features Description This evaluation board user’s manual provides elementary information about a high efficiency, low no-load power consumption reference design that is targeting power laptop adapter or similar type of equipment that accepts 19.5 VDC on the input. The power supply implements PFC front stage to assure unity power factor and low THD, current mode LLC power stage to enhance transient response and secondary side synchronous rectification to maximize efficiency. This design focuses mainly on the NCP1399 current mode LLC controller description – please refer to NCP1602 and NCP4305 material to gain more information about these devices. The NCP1399 is a current mode LLC controller which means that the operating frequency of an LLC converter is not controlled via voltage (or current) controlled oscillator but is directly derived from the resonant capacitor voltage signal and actual feedback level. This control technique brings several benefits compare to traditional voltage mode controllers like improved line and load transient response and inherent out of zero voltage switching protection. The LLC controller also features built-in high voltage startup and PFC operation control pins that ease implementation of a power supply with PFC front stage and no standby power supply on board. The enhanced light lad operation of the LLC controller allows SMPS design to pass the latest no-load and light load consumption limits and still keeping output regulated with excellent transient response from no-load to full-load steps. © Semiconductor Components Industries, LLC, 2016 February, 2016 − Rev. 1 1 • • • • • • • • • • • • • • Wide Input Voltage Range Small Form Factor/High Power Density High Efficiency Low No-load Power Consumption Fast Startup X2 Capacitor Discharge Function Near Unity Power Factor Low Mains Operation Protection Overload Protection Secondary Short Circuit Protected Thermal Protection Regulated Output Under any Conditions Excellent Load and Line Transient Response Capability to Implement Off-mode for Extremely Low No-load Power Consumption Publication Order Number: EVBUM2341/D EVBUM2341/D Detail Demo-board Schematic Description Figure 1. Laptop Adapter Demo-board − Main Board Schematic www.onsemi.com 2 EVBUM2341/D Figure 2. Laptop Adapter Demo-board − SR Daughtercard Schematic in the same time to assure fast LLC_CS pin signal stabilization after application startup – this is achieved by resistor R148. The series resistor R23, R24, and R64 is used to limit maximum current that can flow into the LLC_CS pin. The FB optoucoupler OK1 is connected to the LLC_FB pin and defines converter output by pulling down this pin when lower output power is needed. Capacitor C50 forms high frequency pole in FB loop characteristics and helps to eliminate eventual noise that could be coupled to the FB pin by parasitic coupling paths. The Brow-Out resistor sensing network was already described in PFC section as it is shared with PFC feedback sensing. The Skip/REM pin of the NCP1399 is used for skip threshold adjustment in this demo-board option. Resistors R103 and R104 are used for this purpose together with noise filtering capacitor C57. The over-voltage and over-temperature protections are implemented via OVP/OTP pin by using resistor R67, temperature dependent resistor NTC1, filtering capacitor C44 and optocoupler OK2. The OVP comparator is located on the secondary side to assure maximum OVP circuitry accuracy. The PFC ON/OFF function is not used in this revision of demo-board – i.e. the bulk voltage is regulated to nominal level during entire board operation (full, medium, light or no-load conditions) thus the P_ON/OFF pin is connected to ground via resistor R105. The PFC_MODE pin provides bias to the PFC controller via series resistor R100 after high enough voltage is available on the LLC VCC capacitors C37. The VCC decoupling capacitor C54 and also bootstrap capacitor for high side driver powering C53 are located as close to the LLC controller package as possible to minimize parasitic inductive coupling to other IC adjust components due to high driver current peaks that are present in the circuit during drivers rising and falling edges transitions. The bootstrap capacitor is charged via HV bootstrap diode D23 and series resistor R96 which limits The input EMI filter is formed by components L8, L2, L5, C47, C1, C4, C6, R5, R6, R10 and R48. The IC1 (NCP4810) with safety resistors R1, R16, R43, R53 is used to assure lose-less X2 capacitor discharge function after application is disconnected from the mains. The PFC power stage uses standard boost PFC topology formed by power components B1, L1, D5, Q1, R11, R38, and bulk capacitor C16. The PFC controller IC8 (NCP1602) senses input voltage indirectly – via PFC power MOSFET drain voltage sensing network R135, R134, R102 and R101. The PFC coil current is sensed by the shunt resistors R11 and R38. The series resistor R81 defines maximum PFC front stage peak current. The PFC feedback divider is shared with LLC brown-out sensing network in order to reduce application no-load power consumption. The PFC FB/LLC BO divider is formed by resistors R17, R28, R34, R46, R129, R130, R132, R133 and R149. The FB signal is filtered by capacitor C26 to overcome possible troubles caused by the parasitic capacitive coupling between pin and other nodes that handle high dV/dt signals. The internal bulk voltage regulator compensation C40, C36 and R75 is connected to the IC8 pin 1. The PFC MOSFET is driven via circuitry R19, R25, R26, R33, D7 and Q4. This solution allows to select needed turn-on and turn-off process speed for Q1 and also to handle gate discharge current in local loop – minimizing EMI caused by the driver loop. The LLC power stage primary side composes from these devices: MOSFETs Q2, Q3, external resonant coil L3, transformer TR1 and resonant capacitor C18. The IC3 (NCP1399Ax) LLC controller senses primary current indirectly – via resonant capacitor voltage monitoring which is divided down by capacitive divider R32, C17, C29, C32 and C62. The capacitive divider has to provide minimum phase shift between resonant capacitor signal and divided signal on the LLC_CS pin. The capacitive divide has to be loaded www.onsemi.com 3 EVBUM2341/D mode – this helps to reduce no-load power consumption of application. The trigger/disable function of NCP4305 is not used in this application thus the corresponding pins are grounded. The output voltage of the converter is regulated by Secondary Side Sleep mode Controller NCP4354A − IC101. The regulation optocoupler OK1 is driven via resistor R18 which defines loop gain. The NCP4354 is biased via resistor R123 with decoupling capacitor C109. The output voltage is adjusted by divider R65, R117, R118, R127 and R119. The feedback loop compensation network is formed partially by these components, resistor R128 and capacitor C111. The output filtering capacitor bank composes from low ESR capacitors C8 to C11. Output filter L1, C5 is used to clean out output voltage from switching glitches. The secondary side OVP sense circuitry is using zener diode D4, resistors R82, R84 and capacitor C30. The OVP threshold is adjusted by selected type of zener diode. There are several options prepared in the PCB layout so that customer can modify demo-board according to his target application needs. Mentioned options for instance allow implementation of off-mode control from secondary side to further reduce no-load power consumption or different PFC front stage controller implementation. charging current and Vboot to HB power supply slope during initial C53 charging process. The gate driver currents are reducer by added series resistors R54, R55 to optimize EMI signature of the application. The primary controllers bias voltage limiter circuitry is used in order to restrict upper value of the primary VCC voltage to approximately 13 V. The VCC limiter composes of these components: resistors R4, R150, capacitors C2, C3, diodes D3, D2, D6, D26 and transistor Q6. The secondary side synchronous rectification is located on separated Daughter-card and uses IC1 and IC2 SR controllers – NCP4305D. The SR MOSFTEs for each SR channel are Q1 and Q2. RC snubber circuits C9, R1, C10 and R11, are used to damp down the parasitic ringing and thus limit the maximum peak voltage on the SR MOSFETs. The SR controllers are supplied from converter output via resistors R1 and R4. These resistors form RC filter with decoupling capacitors C1 to C6. The minimum on-time – R3, R6 and minimum off-time – R2, R5 resistors define needed blanking periods that help to overcome SR controllers false triggering to ringing in the SR power stage. The light load detection circuit (LLD) is formed by resistors R7, R8, R9 capacitor C7, C8, and diodes D1, D2. The SR controllers are disabled by LLD circuitry when application enters skip www.onsemi.com 4 EVBUM2341/D Circuit Layout The PCB consists of a single layer FR4 board with 35 mm copper cladding. Figure 3. Main Board Bottom Layer Figure 4. Main Board Top Side Components Figure 5. Main Board Bottom Side Components www.onsemi.com 5 EVBUM2341/D Figure 6. SR Daughtercard Board Top Layer Figure 7. SR Daughtercard Board Bottom Layer Figure 8. SR Daughtercard Board Top Side Components www.onsemi.com 6 EVBUM2341/D Figure 9. Main Board Photo − Top Side Figure 10. Main Board Photo − Bottom Side Figure 11. SR Daughtercard Board Photo − Top Side Figure 12. SR Daughtercard Board Photo − Bottom Side www.onsemi.com 7 EVBUM2341/D Caption: CH1 − HB CH4 − IPRIMARY Caption: CH1 − HB Figure 13. Steady Stage – ILOAD = 2 A CH4 − IPRIMARY Figure 14. Steady Stage – ILOAD = 4 A Caption: CH1 − HB, CH2 − VOUT, CH3 − CS Pin, CH4 − IPRIMARY Caption: CH1 − HB CH4 − IPRIMARY Figure 15. Steady Stage – ILOAD = 8 A Figure 16. Secondary Short Transition Caption: CH2 − IOUT, CH3 − VOUT, CH4 − IPRIMARY Caption: CH2 − IOUT, CH3 − VOUT, CH4 − IPRIMARY Figure 17. Transition Response − Load Step from 3 to 7 A Figure 18. Transition Response − Load Step from 7 to 3 A www.onsemi.com 8 EVBUM2341/D 95 Efficiency, h (%) 90 85 80 75 Efficiency vs. Output Load VIN = 230 VAC 70 Efficiency vs. Output Load VIN = 110 VAC 65 0 1 2 3 4 5 6 7 8 9 10 Output Current, IOUT (A) Figure 19. Board Efficiency – Including PFC Stage 97 96 Efficiency, h (%) 95 94 93 92 91 90 89 88 87 0 20 40 60 80 100 120 140 160 POUT (W) Figure 20. Board Power Stage with SR Efficiency VIN = 385 VDC Table 2. NO-LOAD INPUT POWER CONSUMPTION Input Voltage Power Consumption 110 VAC 114 mW 230 VAC 123 mW www.onsemi.com 9 EVBUM2341/D Table 3. BILL OF MATERIALS Manufacturer Part Number Substitution Allowed Diodes Incorporated KBJ608G Yes Through Hole Panasonic 667−ECW−FD2W105J4 Yes 0603 Kemet C0603C821K3RACTU Yes − Through Hole − − Yes 120 mF/420 V 20% Through Hole Rubycon 420CXW120MEFR16x35 Yes Ceramic Capacitor 220 pF/1 kV 20% Through Hole Vishay S221M39SL0N63K7R Yes 1 Film Capacitors 33 nF/1 kVDC 5% Through Hole EPCOS/TDK B32652A0333J000 Yes C2, C30, C57 3 Ceramic Capacitor 10 nF 10% 0603 Kemet C0603C103K3RACTU Yes C26 1 Ceramic Capacitor 2.2 nF 10% 0603 Kemet C0603C222K3RACTU Yes C3 1 Electrolytic Capacitor 220 mF/35 V 20% Through Hole PANASONIC EEU−FM1V221L Yes C31 1 Ceramic Capacitor 2.2 mF/25 V 10% 0805 Kemet C0805C225K3RAC7800 Yes C32 1 Ceramic Capacitor 6.8 nF 10% 0603 Kemet C0603C682K3RACTU Yes C34 1 Ceramic Capacitor 12 nF 10% 0603 Kemet C0603C123K3RACTU Yes C36, C109 2 Ceramic Capacitor 1 mF 10% 0603 Kemet C0603C105K3RACTU Yes Parts Qty Description Value Tolerance Footprint Manufacturer B1 1 Bridge Rectifier KBJ608G − KBJ608G C1, C4 2 MKP Film Capacitors 1 mF/450 VDC 10% C111 1 Ceramic Capacitor 820 pF 10% C14 1 Electrolytic Capacitor NU C16 1 Electrolytic Capacitor C17, C29 2 C18 C37 1 Electrolytic Capacitor 47 m/25 V 20% Through Hole PANASONIC ECA−1EHG470 Yes C40, C41, C53, C54 4 Ceramic Capacitor 100 nF 10% 0603 Kemet C0603C104K3RACTU Yes C44 1 Ceramic Capacitor 100 pF 10% 0603 Kemet C0603C101K3RACTU Yes C46 1 Ceramic Capacitor 5.6 pF 10% 0603 Kemet C0603C150K5GACTU Yes C47 1 MKP Film Capacitors 330 nF/ 310 VAC 10% Through Hole Würth Elektronik 890334024003 Yes C5 1 Ceramic Capacitor 100 nF 10% 0805 Kemet C0805C104K5RACTU Yes C50, C52, C62, C106, C107, C108, C110 7 Ceramic Capacitor NU − 0603 − − Yes C6 1 Ceramic Capacitor 2.2 mF 10% 1206 Kemet C1206C222K5RACTU Yes C7, C12, C19 3 Ceramic Capacitor NU − 1206 − − Yes C8, C9, C10, C11 4 Electrolytic Capacitor 680 m/25 V 20% Through Hole Würth Elektronik 860020475016 Yes Yes CY3 1 Ceramic Capacitor 680 pF/Y1 10% Through Hole Murata DE1B3KX681KN4AP01F D1, D8 2 Power Rectifier Diode MRA4007 − SMA ON Semiconductor MRA4007T3G No D10, D12, D13, D105, D112 5 Diode NU − SOD323 − − Yes D2 1 Zener Diode 15 V 5% SOD−123 ON Semiconductor MMSZ15T1G No D23 1 Ultrafast Power Rectifier Diode MURA160 − SMA ON Semiconductor MURA160T3G No D3, D6 2 Schottky Power Rectifier Diode MBR2H200SF − SOD−123 ON Semiconductor MBR2H200SFT3G No D4 1 Zener Diode 15 V 5% SOD−123 ON Semiconductor MMSZ22T1G No D5 1 Ultra-Fast Recovery MUR460 − TO−220 (2 LEAD) ON Semiconductor MUR460RLG No D7, D26 2 Switching Diode MMDL914 − SOD323 ON Semiconductor MMDL914T1G No F2 1 FUSE T4A − Through Hole Bussmann/Eaton SS−5H−4A−BK Yes IC1 1 X2 Capacitor Discharger NCP4810 − SOIC−8 ON Semiconductor NCP4810DR2G No IC101 1 Secondary Side Sleep Mode Controller NCP4354A − SOIC−8 ON Semiconductor NCP4354ADR2G No IC3 1 Resonant Mode Controller NCP1399 − SOIC−16 ON Semiconductor NCP1399__DR2G No IC8 1 Power Factor Controller NCP1602 − TSOP−6 ON Semiconductor NCP1602DCCSNT1G No L1 1 Inductor LC9−166 20% T10*6*5C K08 JEPULS LC9−166 (150311600) Yes L2 1 Emi Filter LC16−171 20% T16*12*8C JEPULS LC16−171 (150311400) Yes L3 1 Resonant Inductor BCK1601−268 10% EE16/12/7 JEPULS BCK1601−268 (150040300) Yes www.onsemi.com 10 EVBUM2341/D Table 3. BILL OF MATERIALS (continued) Manufacturer Part Number Substitution Allowed Global Choice International LLC 6142516090 Yes T50−26B JEPULS LC13−121 (150311500) Yes T12*6*4C JEPULS LC12−058 (150311300) Yes − ON Semiconductor − NO Through Hole Vishay NTCLE100E3334JB0 Yes DIL4−SMD Vishay TCLT1008 Yes TO−220 ST Microelectronics STP20NM60FP Yes − − Yes ST Microelectronics STP12NM50FP Yes ON Semiconductor BC807−16LT1G No ON Semiconductor BSS138LT1G No Parts Qty Description Value Tolerance Footprint Manufacturer L4 1 PFC Inductor PG2614 (255 mH) 10% PQ2614 L5 1 Emi Filter LC13−121 20% L8 1 Emi Filter LC12−058 20% M1 1 SR Daughtercard − − NTC1 1 Thermistor 330 kW − OK1, OK2 2 Opto Coupler TCLT1008 Q1 1 N-Channel Power MOSFET STP20NM60FP − Q10, Q100 2 PNP Transistror NU − SOT−23 Q2, Q3 2 N-Channel Power MOSFET STP12NM50FP − TO−220 Q4 1 PNP General Purpose Transistor BC807 − SOT−23 Q6 1 N-Channel Small Signal MOSFET BSS138 − SOT−23 Q8 1 N-Channel MOSFET NU − SOT−23 − − Yes R1, R16, R43, R53 4 Resistor SMD 360 kW 1% 1206 Rohm Semiconductor MCR18ERTJ364 Yes R100 1 Resistor SMD 10 W 1% 0805 Rohm Semiconductor MCR10EZPF10R0 Yes R101, R102 2 Resistor SMD 150 kW 1% 0805 Rohm Semiconductor MCR10EZPF1503 Yes R11, R38 2 Power Resistor 0.05 W/2 W 1% Through Hole WLCR050FET Ohmite Yes R118 1 Resistor SMD 4.3 kW 1% 0603 Rohm Semiconductor MCR03ERTF4301 Yes R12 1 Resistor SMD 1W 1% 0603 Rohm Semiconductor MCR03ERTFL1R00 Yes R123 1 Resistor SMD 220 W 1% 0603 Rohm Semiconductor MCR03ERTF2200 Yes R126 1 Resistor SMD 5.1 kW 1% 0603 Rohm Semiconductor MCR03ERTF5101 Yes R127 1 Resistor SMD 15 kW 1% 0603 Rohm Semiconductor MCR03ERTF1502 Yes R128 1 Resistor SMD 150 kW 1% 0603 Rohm Semiconductor MCR03ERTF1503 Yes R129 1 Resistor SMD 36 kW 1% 0603 Rohm Semiconductor MCR03ERTF3602 Yes R13, R30, R116, R149 4 Resistor SMD 0W 1% 0603 Rohm Semiconductor MCR03EZPJ000 Yes R130 1 Resistor SMD 24 kW 1% 0603 Rohm Semiconductor MCR03ERTF2402 Yes R133 1 Resistor SMD 390 kW 1% 0603 Rohm Semiconductor MCR03ERTF3903 Yes R134 1 Resistor SMD 2.7 MW 5% 1206 Rohm Semiconductor MCR18ERTJ275 Yes R135 1 Resistor SMD 3 MW 5% 1206 Rohm Semiconductor MCR18ERTJ305 Yes R14, R15, R21, R45, R58, R62, R104, R120, R121, R124, R125, R131 12 Resistor SMD NU − 0603 − − Yes R148 1 Resistor SMD 1.5 kW 1% 0603 Rohm Semiconductor MCR03ERTF1501 Yes R17, R28, R34, R46 4 Resistor SMD 1.8 MW 5% 0805 Rohm Semiconductor MCR25JZHJ185 Yes R18 1 Resistor SMD 1.1 kW 1% 0603 Rohm Semiconductor MCR03ERTF1101 Yes R19 1 Resistor SMD 10 W 1% 1206 Rohm Semiconductor MCR18ERTJ100 Yes R2, R3, R7, R8, R9 5 Resistor SMD 10 MW 5% 1206 Rohm Semiconductor MCR18ERTJ106 Yes R20, R23, R29, R32 4 Resistor SMD 0W − 1206 Rohm Semiconductor MCR18EZHJ000 Yes www.onsemi.com 11 EVBUM2341/D Table 3. BILL OF MATERIALS (continued) Manufacturer Part Number Substitution Allowed Rohm Semiconductor MCR03ERTF2701 Yes 0805 Rohm Semiconductor MCR10EZPJ000 Yes 1% 0603 Rohm Semiconductor MCR03ERTF10R0 Yes 2.2 W 5% 0603 Rohm Semiconductor MCR03ERTJ2R2 Yes Resistor SMD 5.6 W 5% 0805 Rohm Semiconductor MCR10EZHJ5R6 Yes 1 Resistor SMD 10 kW 1% 0603 Rohm Semiconductor MCR03ERTF1002 Yes R4, R82 2 Resistor SMD 68 kW 1% 0603 Rohm Semiconductor MCR03ERTF6802 Yes R44 1 Resistor SMD 0W − Wire Strap − − Yes R48 1 VARISTOR 275 VAC 1% Through Hole Würth Elektronik 820512711 Yes R5, R6, R10 3 Resistor SMD 1.8 MW 5% 0805 Rohm Semiconductor MCR25JZHJ185 Yes R64 1 Resistor SMD 100 W 1% 1206 Rohm Semiconductor MCR18ERTF1000 Yes R65 1 Resistor SMD 200 kW 1% 0603 Rohm Semiconductor MCR03ERTF2003 Yes R67, R103, R117 3 Resistor SMD 13 kW 1% 0603 Rohm Semiconductor MCR03ERTF1302 Yes R75, R132 2 Resistor SMD 82 kW 1% 0603 Rohm Semiconductor MCR03ERTF8202 Yes R81 1 Resistor SMD 43 kW 1% 0603 Rohm Semiconductor MCR03ERTF4302 Yes R84, R119, R105 3 Resistor SMD 1 kW 1% 0603 Rohm Semiconductor MCR03ERTF1001 Yes R87, R92 2 Resistor SMD 2.7 kW 1% 1206 Rohm Semiconductor MCR18ERTF2701 Yes TR1 1 Transformer POT33 (1 mH) 5% POT33 Global Choice International LLC POT331026037 Yes Parts Qty Description Value Tolerance Footprint Manufacturer R22 1 Resistor SMD 2.7 kW 1% 0603 R24, R96 2 Resistor SMD 0W − R25, R54, R55 3 Resistor SMD 10 W R26 1 Resistor SMD R27, R150 2 R33 SR DAUGHTERCARD C1, C4 2 Ceramic Capacitor 100 nF 10% 0805 Kemet C0805C104K5RACTU Yes C2, C3, C5, C6 4 Ceramic Capacitor 470 nF/35 V 10% 0805 Taiyo Yuden GMK212BJ474KG−T Yes C7 1 Ceramic Capacitor 22 nF 10% 0603 Kemet C0603C223K3RACTU Yes C8 1 Ceramic Capacitor NU − 0603 − − Yes C9, C10 2 Ceramic Capacitor 3.9 nF 10% 0805 Kemet C0805C392K5RACTU Yes D1, D2 2 Switching Diode BAS20HT1G − SOD323 ON Semiconductor BAS20HT1G No IC1, IC2 2 Secondary Side Synchronous Rectifier NCP4305 − WDFN−8 ON Semiconductor NCP4305DMNTWG No Q1, Q2 2 N-Channel Power MOSFET NTMFS5C646NL − SO−8FL ON Semiconductor NTMFS5C646NLT1G No R1, R4 2 Resistor SMD 20 W 1% 0603 Rohm Semiconductor MCR03ERTF20R0 Yes R10, R11 2 Resistor SMD 15 W 1% 1206 Rohm Semiconductor MCR18ERTF15R0 Yes R2, R5 2 Resistor SMD 22 kW 1% 0603 Rohm Semiconductor MCR03ERTF2202 Yes R3, R6 2 Resistor SMD 4.7 kW 1% 0603 Rohm Semiconductor MCR03ERTF4701 Yes R7 1 Resistor SMD 10 kW 1% 0603 Rohm Semiconductor MCR03ERTF1002 Yes R8 1 Resistor SMD 0W 1% 0603 Rohm Semiconductor MCR03EZPJ000 Yes R9 1 Resistor SMD 1 kW 1% 0603 Rohm Semiconductor MCR03ERTF1001 Yes NOTE: All parts are Pb-Free. www.onsemi.com 12 EVBUM2341/D ON Semiconductor and the are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries. 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SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor 19521 E. 32nd Pkwy, Aurora, Colorado 80011 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: [email protected] N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5817−1050 www.onsemi.com 13 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative EVBUM2341/D