Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Intel
:
EN5367QI-E
EVB-EN5367QI
Page 1: ...s populated with a 4 resistor divider option The upper resistor is fixed and has a phase lead capacitor in parallel One of 4 lower resistors is selected with the jumper option for different output voltages to change VOUT retain the upper resistor and capacitor values and change only the lower resistor This device has no over voltage protection feature If making modifications to the board we strong...
Page 2: ...for moving any offending beat frequency to be moved out of band A swept frequency applied to this pin results in spread spectrum operation and reduces the peaks in the noise spectrum of emitted EMI The board comes with input decoupling and reverse polarity protection to guard the device against common setup mishaps Quick Start Guide STEP 1 Set the ENABLE jumper to the Disable Position as shown in ...
Page 3: ... regulation input output ripple load transient drop out voltage measurements may be conducted at this point The over current trip level short circuit protection under voltage lock out thresholds temperature coefficient of the output voltage may also be measured in this configuration CAUTION The maximum allowable VIN for this device is 5 5V STEP 6A Power Up Down Behavior Remove ENA jumper and conne...
Page 4: ...frequency as long as the external clock parameters are within the specified range To observe phase lock connect oscilloscope probes to the input clock as well as to the SW test point Phase lock range can be determined by sweeping the external clock frequency up down until the device just goes out of lock at the two extremes of its range For spread spectrum operation the input clock frequency may b...
Page 5: ...EN5367QI Evaluation Board User Guide Jan 2012 Page 5 of 8 Figure 4 Evaluation Board Layout Top and Assembly Layers ...
Page 6: ...SW 52 52 NC SW 51 51 NC SW 50 50 NC SW 49 49 NC48 48 AVIN 47 AGND 46 NC45 45 VFB 44 SS 43 RLLM 42 EAOUT 41 NC40 40 POK 39 ENABLE 38 VDROOP 37 ENA VDROOP SYNC LLM 0805 POK R8 J7 C10 TP26 TP27 C17 R10 R11 R12 R13 TP3 TP4 TP5 TP6 TP7 TP8 TP9 Provision for dynamic voltage adjustment R9 C11 EAOUT VFB VFB EAOUT VFB TP29 C3 TP30 FB1 C4 C5 C6 C7 TP10 TP11 TP12 R14 C8 TP13 TP14 TP15 C9 R1 TP16 AVIN J2 1 3 ...
Page 7: ...put output capacitors For more accurate ripple measurement please see Enpirion App Note regarding this subject 4 The board includes a pull up resistor for the POK signal and ready to monitor the power OK status at clip lead marked POK 5 A 47nF soft start capacitor is populated on the board for 3msec soft start time 6 The over current protection circuit typically limits the maximum load current to ...
Page 8: ...SSOR 6 5V BIDIRECTIONAL Fairchild SMBJ6V5CA Contact Information Enpirion Inc Perryville III Corporate Park 53 Frontage Road Suite 210 Hampton NJ 08827 USA Phone 1 908 894 6000 Fax 1 908 894 6090 www enpirion com Enpirion reserves the right to make changes in circuit design and or specifications at any time without notice Information furnished by Enpirion is believed to be accurate and reliable Enp...
Page 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Intel EN5367QI E EVB EN5367QI ...
