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Please note that Cypress is an Infineon Technologies Company.

The document following this cover page is marked as “Cypress” document as this is the 
company that originally developed the product. Please note that Infineon will continue 
to offer the product to new and existing customers as part of the Infineon product 
portfolio.

Continuity of document content

The fact that Infineon offers the following product as part of the Infineon product 
portfolio does not lead to any changes to this document. Future revisions will occur 
when appropriate, and any changes will be set out on the document history page.

Continuity of ordering part numbers

Infineon continues to support existing part numbers. Please continue to use the 
ordering part numbers listed in the datasheet for ordering.

Summary of Contents for Cypress MB39C502-EVBSK-01

Page 1: ...ers as part of the Infineon product portfolio Continuity of document content The fact that Infineon offers the following product as part of the Infineon product portfolio does not lead to any changes to this document Future revisions will occur when appropriate and any changes will be set out on the document history page Continuity of ordering part numbers Infineon continues to support existing pa...

Page 2: ...ncy Single Output Step Down DC DC Controller Evaluation Board Operation Manual Doc No 002 08685 Rev B Cypress Semiconductor 198 Champion Court San Jose CA 95134 1709 Phone USA 800 858 1810 Phone Intnl 1 408 943 2600 www cypress com ...

Page 3: ...ereby do release Cypress from any claim damage or other liability arising from any Security Breach In addition the products described in these materials may contain design defects or errors known as errata which may cause the product to deviate from published specifications To the extent permitted by applicable law Cypress reserves the right to make changes to this document without further notice ...

Page 4: ...tion with the sales representatives Caution of the products described in this document The following precautions apply to the product described in this manual WARNING Indicates a potentially hazardous situation which could result in death or serious injury and or a fault in the user s system if the product is not used correctly Electric shock Damage Before performing any operation described in thi...

Page 5: ...exposed to strong vibration or a sloping surface Doing so may cause the product to fall resulting in an injury or fault Cuts The product contains sharp edges that are left unavoidably exposed such as jumper plugs Handle the product with due care not to get injured with such pointed parts Damage Do not place anything on the product or expose the product to physical shocks Do not carry the product a...

Page 6: ...door knob to discharge any static electricity from your body Damage When turning the power on or off follow the relevant procedure as described in this document Before turning the power on in particular be sure to finish making all the required connections Furthermore be sure to configure and use the product by following the instructions given in this document Using the product incorrectly or inap...

Page 7: ... Evaluation Board Specification 8 3 Pin Description 9 4 Setup and Checkup 10 5 Component Layout 11 6 Wiring Layout 12 7 Circuit Diagram 13 8 Parts List 14 9 Reference Data 16 10 Initial Settings 23 11 Evaluation board picture 24 12 Ordering Information 26 Revision History 27 Document Revision History 27 ...

Page 8: ...e switching frequency is fallen by extending on time These operations enable to improve the efficiency in light load Internal compensation circuit with current mode architecture and internal boost switch allow reducing the BOM parts and the component area Over Current Alerting function can detect the near over current limitation The over current alerting level is set 85 for over current limitation...

Page 9: ...No 002 08685 Rev B 8 2 Evaluation Board Specification Table 2 1 Evaluation Board Specification Component Symbol Condition Min Typ Max Unit Input Voltage VIN 4 0 25 V Output Voltage VOUT 1 2 V Output Current IOUT SLP_N H 8 54 A Switching Frequency fSW 800 kHz ...

Page 10: ...r supply terminal PWM controller and internal drivers EN Input Enable input for PWM Controller When turning on apply greater than 0 65V and less than 5 5V When turning off apply less than 0 25V SLP_N Input Input terminal transferred to Enhanced LPM Transferred to Enhanced LPM by connecting to L level PWRGD Output Open drain output terminal with power good ALERT_N_VOUT Output Open drain output term...

Page 11: ...ge of 5 0V to VDD terminal Connect the VOUT terminal to required loading device or measuring instrument In this time connect the EN terminal to L state Then turning on the EN input Confirming the DC DC output voltage is setting voltage Note The recommended operating conditions of MB39C502 EN pin is 5 5V maximum Please don t connect EN to VIN when VIN voltage is over 5 5V Figure 4 1 Image of Connec...

Page 12: ...MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 11 5 Component Layout Figure 5 1 Component Layout Top View ...

Page 13: ...MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 12 6 Wiring Layout Figure 6 1 Wiring Layout Top Side Layer 1 Inside Layer 2 Inside Layer 3 Bottom Side Layer 4 ...

Page 14: ... D S1 S2 S3 Q1 4 3 2 9 1 G D S1 S2 S3 Q1 7 6 5 10 8 1 L1 2 1 D3 C1 1 C1 2 C1 3 VOUT C2 2 2 1 R28 NMT C2 11 C8 C7 2 1 C5 2 1 C6 2 1 R4 2 1 LDO5 PatternShort R18 EN 1 SLP_N 1 PWRGD ALERT_N_VOUT VIN VIN VDD 1 R2 2 R1 2 2 1 R21 2 1 R15 R14 VCC VCC R27 2 1 VINs 1 VOUTs 1 VIN C2 1 2 1 PatternShort VOUT1 PGND1 1 PGNDs VOUT2 VOUT3 PGND2 PGND3 VIN1 VIN2 VIN3 R30 VCC LX C2 3 C2 4 C2 5 C2 6 C2 7 C2 8 C2 9 C2...

Page 15: ...47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 5 Capacitor 47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 6 Capacitor 47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 7 Capacitor 47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 8 Capacitor 47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 9 Capacitor 47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 10 Capacitor 47μF 10V TDK 2012 C2012X5R1A476M VOUT C2 11 Capacitor 10μF 10V TDK 1608 C1608X5R1...

Page 16: ...mponent Item Specification Vender Package Parts Name Remark R18 No Mount R21 No Mount R27 Resistor 220kΩ KOA 1005 RK73B1ETTP224J EN R28 No Mount R29 Resistor 220kΩ KOA 1005 RK73B1ETTP224J SLP_N R30 Resistor 10Ω SSM 1005 RG1005PD100 VDD Pin 3A HIROSE 2 54 HIF3H 20PB 2 54DSA parts on buck side ...

Page 17: ...6 9 Reference Data Figure 9 1 Efficiency vs Output Current VOUT 1 2V Setting 0 10 20 30 40 50 60 70 80 90 100 0 0001 0 001 0 01 0 1 1 10 Efficiency Output Current A Efficiency vs Output Current VOUT 1 2V Setting 7 4V Normal 12 0V Normal 20 0V Normal 7 4V LPM 12 0V LPM 20 0V LPM ...

Page 18: ...oltage vs Output Current VOT 1 2V Setting Figure 9 3 Start up EN 0V 5V VIN 7 4V VOUT 1 2V IOUT 0 05A SLP_N H 1 188 1 192 1 196 1 200 1 204 1 208 1 212 0 0001 0 001 0 01 0 1 1 10 Output Voltage V Output Current A Output Voltage vs Output Current VOUT 1 2V Setting 7 4V Normal 12 0V Normal 20 0V Normal 7 4V LPM 12 0V LPM 20 0V LPM ...

Page 19: ...Reference Data MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 18 Figure 9 4 Shutdown EN 5V 0V VIN 7 4V VOUT 1 2V IOUT 0 05A SLP_N H ...

Page 20: ...2 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 19 Figure 9 5 Load step response VIN 7 4V VOUT 1 2V IOUT 0 05A to 7 69A SLP_N H Figure 9 6 Load step response VIN 7 4V VOUT 1 2V IOUT 7 69A to 0 05A SLP_N H ...

Page 21: ...erence Data MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 20 Figure 9 7 Switching waveform VIN 7 4V Iout 8 54A SLP_N H Figure 9 8 Switching waveform VIN 7 4V Iout 0 05A SLP_N H ...

Page 22: ...Data MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 21 Figure 9 9 Switching waveform VIN 7 4V Iout 0 3A LPM at SLP_N L Figure 9 10 Switching waveform VIN 7 4V Iout 0 01A LPM at SLP_N L ...

Page 23: ...crease Temperature of External FET Figure 9 11 Increase Temperature 1 2V Output Voltage using FDMC7208S FET 0 20 40 60 80 100 120 140 160 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 Increase Temperature degC Output Current A Increase Temperature vs Output Current VIN 7 4V VIN 12 0V VIN 20 0V VIN 25 0V ...

Page 24: ... V 3 3 3 REF OUT Current Limit at VIN 7 4V A 12 45 10 1 0 2 10 300 1 2 2 1 26 10 2 0 024 H L 2 10 300 V V 2 A ΔI Ω R4 V 0 024 I 6 9 3 9 OUT L LIMIT A 26 1 Hz f V V V V H L V V V V I SW IN OUT OUT IN L Over Current Alerting Threshold Level at VIN 7 4V A 68 10 2 26 1 85 0 10 0 1 2 10 300 2 1 10 2 024 0 2 A I 85 0 H L 2 10 300 V V 4 R V 024 0 I 6 9 3 L 9 OUT ALERT ...

Page 25: ...MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 24 11 Evaluation board picture Figure 11 1 Evaluation board Picture top ...

Page 26: ...Evaluation board picture MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 25 Figure 11 2 Evaluation board Picture back ...

Page 27: ...MB39C502 EVBSK 01 Evaluation Board Operation Manual Doc No 002 08685 Rev B 26 12 Ordering Information Table 12 1 Ordering Information Part number EVB revision Note MB39C502 EVBSK 01 Rev 1 0 ...

Page 28: ...e MB39C502 EVBSK 01 High Efficiency Single Output Step Down DC DC Controller Evaluation Board Operation Manual Document Number 002 08685 Revision ECN Number Issue Date Description of Change 11 19 2014 Initial release A 5247873 04 29 2016 Updated to Cypress template B 6744405 12 04 2019 Updated to new template Completing Sunset Review ...

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