Microsemi PD70211EVB50FW-5 Скачать руководство пользователя страница 16 | Manualshive

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Copyright © 2015

Microsemi

Page 16 of 26

Rev. 2.0, 29-June-16

CPG

– PoE BU

One Enterprise Aliso Viejo, CA 92656 USA

PD70211EVB50FW-5

50W Isolated Forward Converter PD

Evaluation Board

Gain Margin:

-28 dB

6.6 Step Load Response

Figure 11: Load Step Response

Load Current
2A/Div

Output
Voltage

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Содержание PD70211EVB50FW-5

Страница 1: ...rmation contained in this document is proprietary to Microsemi and is current as of publication date This document may not be modified in any way without the express written consent of Microsemi Produ...

Страница 2: ...tors and technicians who have a background in basic concepts of electronics 1 2 Organization This guide is divided into several sections as follows Chapter 1 About this Guide Describes the objectives...

Страница 3: ...50FW Evaluation Board see Figure 2 provides designers with an environment needed for evaluating the performance and implementation of PD applications based on PD70211 controller The board is using a s...

Страница 4: ...luation Board Figure 2 PD70211EVB50FW Evaluation Board General View Evaluation Boards Ordering Information Microsemi supplies the following Evaluation Board as shown below Ordering Number Description...

Страница 5: ...onnecting to an external 48V Wall Adapter Data pass through connector On board PSE class type LED indicators On board AT detected LED indicator On board 4P_AT detected LED indicator On board HD detect...

Страница 6: ...er connection will be automatically sensed and will override the PSE power connected to J1 3 J3 TP6 and TP5 Converter Output Terminal pins for connecting a load to 5V output J3 provides screw terminal...

Страница 7: ...a Output Isolated data pass through to external monitoring device J4 3 6 Data Output Isolated data pass through to external monitoring device J4 4 5 Data Output Isolated data pass through to external...

Страница 8: ...olated Forward Converter PD Evaluation Board 3 Vout Connections See Figure 4 Table 4 Output Load Connections Pin No Signal Name Description J3 2 Vout Return of DCDC output voltage J3 1 Vout Positive D...

Страница 9: ...vice output signal indicating the device has detected a 3 finger class event from the PSE side in the class stage The flag will be operative at 6 fingers detection as well D19 is the 4P_HD indication...

Страница 10: ...d 4 Electrical Characteristics Evaluation board s electrical characteristics are described below Table 5 Electrical Characteristics Parameter Min Max Main DC Supply J1 VIN VINRTN 42 57 V Wall Adapter...

Страница 11: ...e connected Insure the external supply is connected to the RJ45 input J1 per Table 3 5 2 Initial Configuration Note It is important to verify evaluation board is setup as shown in Figure 6 prior to st...

Страница 12: ...various loads and POE input voltage levels The efficiency is indicated up to 50W output power Efficiency is measured at the input to the PD70224 It does not contain the RJ45 Connector or Magnetics 6...

Страница 13: ...ard 6 2 Efficiency vs Load Current at 48V Input to the PD70224 Figure 8 Efficiency at 48V Input 6 3 Load Regulation Figure 9 Load Regulation at 48V Input 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90...

Страница 14: ...age 14 of 26 Rev 2 0 29 June 16 CPG PoE BU One Enterprise Aliso Viejo CA 92656 USA PD70211EVB50FW 5 50W Isolated Forward Converter PD Evaluation Board 6 4 Output Ripple Figure 10 Full Load Voltage Rip...

Страница 15: ...onverter PD Evaluation Board 6 5 Bode Plots Bandwidth 4731 Hz Phase Margin 82 Gain Margin 28 dB Bandwidth 4731 Hz Phase Margin 82 180 135 90 45 0 45 90 135 180 60 40 20 0 20 40 60 10 100 1000 10000 10...

Страница 16: ...v 2 0 29 June 16 CPG PoE BU One Enterprise Aliso Viejo CA 92656 USA PD70211EVB50FW 5 50W Isolated Forward Converter PD Evaluation Board Gain Margin 28 dB 6 6 Step Load Response Figure 11 Load Step Res...

Страница 17: ...8 OUTN_10 10 OUTN_11 11 OUTN_12 12 IN2A_13 13 IN2A_14 14 SUPP_SA 16 SUPP_SB 17 IN1A_19 19 IN1A_20 20 OUTP_32 32 OUTP_31 31 OUTP_30 30 IN1B_28 28 IN1B_27 27 IN1B_26 26 IN1B_25 25 OUTN_23 23 OUTN_22 22...

Страница 18: ...HD_FLAG 6 AT_FLAG 7 VPN_IN8 8 VPN_IN9 9 VPN_OUT10 10 VPN_OUT11 11 ENABLE 12 VINS 13 HYST 14 SYNC 15 RFREQ 16 SS 17 RCLP 18 PGND 27 SG 26 VL 25 GND 24 FB 23 DAO 22 COMP 21 VSP 20 VSN 19 RDET 36 VPP 35...

Страница 19: ...AP CRM 100nF 100V 10 X7R 1206 SMT Any Any 1 C18 1nF Capacitor Ceramic X7R 16V 0603 Any Any 1 C19 1uF Capacitor Ceramic 10V X7R 0805 Any Any 5 C20 C27 C39 C152 C153 1nF CAP CRM 1nF 2000V 10 X7R 1206 SM...

Страница 20: ...LTST C193KGKT 5A LED GREEN RECT CLEAR 0603 LITE ON LTST C193KGKT 5A 1 J1 MagJack CONN MAGJACK 1PORT 1000 BASE T Bel Stewart 8261X1TGH F 1 J2 RAPC722X DC Power Jack 16V 5A TH Switchcraft RAPC722X 1 J3...

Страница 21: ...1 2176055 6 1 R14 20 Resistor 5 1 10W 0603 Any Any 1 R16 510 Resistor 5 1 10W 0603 Any Any 1 R18 60 4K Resistor 60 4K Ohms 1 16 Watt 1 0603 Type SMD Any Any 2 R19 R23 20K Resistor 5 1 10W 0603 Any An...

Страница 22: ...ny Any 2 R49 R58 5 6k Resistor 5 1 4W 1206 Any Any 1 R51 100 Resistor 5 1 10W 0603 Any Any 4 R60 R61 R62 R63 75 Resistor 1 1 10W 0805 Any Any 1 R42 15 0K Resistor 1 1 4W 1206 Any Any 1 R43 1k Resistor...

Страница 23: ...005 GP alternate ICE Components TX15060 alternate Shinhom STEFD25 004 1 U1 PD70224 IC Ideal Diode Bridge Microsemi PD70224ILQ 1 U2 PD70211 IC Power Over Ethernet PD Controller Microsemi PD70211ILQ 1 U...

Страница 24: ...Forward Converter PD Evaluation Board 9 Board Layout This section presents the layout of the evaluation board The board is a 4 layer board All layers are 2 Oz layers Below figures present the 4 copper...

Страница 25: ...2015 Microsemi Page 25 of 26 Rev 2 0 29 June 16 CPG PoE BU One Enterprise Aliso Viejo CA 92656 USA PD70211EVB50FW 5 50W Isolated Forward Converter PD Evaluation Board Figure 16 Top Layer Figure 17 Bot...

Страница 26: ...al equipment or applications Microsemi assumes no liability whatsoever and Microsemi disclaims any express or implied warranty relating to sale and or use of Microsemi products including liability or...

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