Power Module PWR3-L User Manual
Contents
1. 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 410 Contents T1 IntrodUctiOE sociari auno oni and anu auus rax anu pau d aaa Er ecE guns cna vac suu ru dara na rau 5 PANES TU E ern eier euren 2 1 Key Features 2 2 Function Description nennen 8 3 Technical InformatiOn cecinisse neuere se nene sese sene sese 9 3 1 Input Voltage irrien ragen ragen 3 2 Indicator LEDs 33 Output Voltages iiss icsteci isin devices ter cei het teo rete E poesi rennen Figures Figure 1 Block diagram of the PWR3 L module ee 8 Tables Table 1 Configuration of the output voltages sseeenn 9 Table 2 Pin numbers and signals on the header connectors 10 ErSt Electronic GmbH Aeschstrasse 171 Phone 441 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 5 10 1 Introduction The PWR3 L power supply module is a lower cost alternative to the PWR3 lacking some features that are only very rarely used In particular there are no longer eight individual reference voltages there are no 5V and adjustable output voltage options and the total sum of all outputs output current is limited to 4A The output current capability is sufficient to supply one EVAL series board with a Virtex E Virtex Spartan IIE or Spartan Il FPGA device Depending on2. PWR3 L User Manual Ei Power Module PWR3 User Manual ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 2 10 ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 3 10 Los Manual Version PWR3 L Version 1 0 February 2002 This manual describes the technical properties and the usage of the following products Power Module PWR3 L Version 1 0 January 2002 ErSt Electronic GmbH 2002 The ErSt Electronic GmbH reserves the right to make changes and improvements of the product without notice Important Note The power module PWR3 L has been designed and tested exclusively for the usage as a development tool In particular strong electromagnetic radiation may be produced ErSt Electronic GmbH warrants to customer that upon delivery to customer the products purchased shall conform to the applicable manufacturer s specifications for such products ErSt Electronic GmbH makes no other warranty expressed or implied with respect to the products In particular ErSt Electronic GmbH shall not be liable for any damage to the product or environment that may result from an improper use of the product ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980
3. als on the header connectors ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch
4. and VCCOPT VCCOPT is fixed at 3 3V and is generated with a switching regulator working at 400kHz Its output current capability is at least 4A VCCINT and VCCO are derived from linear regulators getting their input from VCCOPT Each of the linear regulators is capable of delivering up to 2 3A and is thermally and short circuit protected The value of each of the output voltages is selectable by a jumper Table 1 shows the jumper settings and the resulting output voltage values Only one jumper must be set at a time setting VCCO at 3 3V is an exception During operation the jumper settings may be changed without danger since the output voltage falls to 1 2V when all jumpers are removed Jumper VCCINT Jumper vcco J10 J11 J12 3 3V gt 2 5V 1 8V J14 1 8V 7 1 5V J13 1 5V Table 1 Configuration of the output voltages ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 10 10 Rewer re The output voltages are routed to power connectors and to header connectors The naming and positioning of the signals on the header connectors corresponds with according connectors on board modules Table 2 shows the pins and signals on the header connectors Connector Pin Number Signal Name 1 to 12 VCCOPT J6 13 to 25 261042 Reserved 1to 12 VCCINT J5 13 to 38 GND Table 2 Pin numbers and sign
5. mV VCCOPT 3 3V Quiescent curret 40 mA Efficiency of switching regulator Vour 3 3V lour 4A 83 Output voltage tolerance 4 96 ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 8 10 2 2 Function Description The power module PWR3 L generates three regulated output voltages from a single unregulated power supply A block diagram is pictured in Figure 1 The input supply voltage can be in the range from 4V to 24V A series diode at the input protects the module from reversed supply voltages The 3 3V output voltage is generated with a switching regulator working at 400kHz operating frequency and having an output current capability of at least 4A The output is short circuit protected VCCINT and VCCO output voltages are generated with low dropout linear regulators that respond very fast to step changes in load which makes them suitable for the supply of low voltage high speed digital chips The output voltage is configurable with jumpers VCCINT can be set to 1 5V 1 8V and 2 5V VCCO can be set to 1 5V 1 8V 2 5V and 3 3V All three output voltages are available on header and power connectors Each of the power connectors allows the connection of four wires two for ground and two for output power Four LEDs show the state of the three output voltages and the power supply The three LEDs that co
6. rrespond to the three output voltages are driven directly The input power LED is driven by an operational amplifier used as a constant current source Input 4V 24V DC DC Converter lout 4A Fast Transient Response Linear Regulator 3 3V 2 5V 1 8V or 1 5V Fast Transient Response Linear Regulator 2 5V 1 8V or 1 5V Figure 1 Block diagram of the PWR3 L module ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 9 10 3 Technical Information 3 4 Input Voltage The input voltage of the power module may be chosen in the range of 5V to 24V and is connected to a two pin power connector A series diode protects the module in the case of an accidental application of a reversed input supply voltage Due to the function principle of switching regulators the input current is higher at low input voltages than at higher input voltages The efficiency is also not constant over the whole input voltage range but differs only by a few percent 3 2 Indicator LEDs The three output voltages and the input voltage can be monitored with indicator LEDs The indicator LEDs of the output voltages are placed next to the appropriate power connector The indicator LED of the input voltage is placed next to the input series diode 3 3 Output Voltages The three output voltages are denoted with VCCINT VCCO
7. the power consumption of the implemented hardware design supplying more than one board is possible Information about new products and new developments can be found on the ErSt Electronic Website http www erst biz or http www erst ch If you have questions you may write to the following e mail address info erst ch We will answer as soon as possible usually within one or two days ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http www erst biz http www erst ch PWR3 L User Manual 6 10 2 N a Overview Key Features Input power supply voltage range 5 24V Linear regulator for VCCINT 1 5V 1 8V or 2 5V Linear regulator for VCCO 1 5V 1 8V 2 5V or 3 3V Switching regulator for 3 3V VCCOPT Output voltages selectable with jumper All regulators are protected against short circuits The linear regulators are protected against thermal overload Max 4A load current combined for all output voltages Min 2A load current available on linear regulator outputs All output voltages available on header connectors and power connectors Output power sufficient for one or more EVAL series board module s Specially made to be stacked with EVAL board modules for Spartan ll Spartan llE Virtex and Virtex E Board dimension 86mm x 150mm ErSt Electronic GmbH Aeschstrasse 171 Phone 41 1 980 61 44 CH 8123 Ebmatingen Fax 41 1 980 61 30 Internet http ww
8. w erst biz http www erst ch PWR3 L User Manual 7 10 Absolute Maximum Ratings Symbol Description Unit Vn Input voltage 24 24 V Output current for VCCINT pes A loutveco Output current for VCCO A lourvecort Output current for VCCOPT A TsHortout Duration of output voltage short circuit Sonn von against ground Ambient temperature C Note 1 The input is protected with a series diode A reversed input voltage should not cause any harm to the device Note 2 This is the maximal output current of the linear regulator The regulator circuit is thermally and short circuit protected It shuts down if the power dissipation exceeds its limit Note 3 This is the maximal output current of the switching regulator The regulator circuit is short circuit protected and shuts down if the current load exceeds its limit Note 4 One output at a time Note 5 The maximal possible output current is reduced at high ambient temperatures Recommended Operating Conditions Description Unit Input voltage m V Output current for VCCINT A loutveco Output current for VCCO lourvccoer Output current for VCCOPT 4 A Ambient temperature 0 40 C Note 1 Continuous operation without additional cooling at 25 C The sum of all output currents should not exceed 4A Typical Performance Vn 12V Tave 25 C unless otherwise noted Description Condition Unit Output ripple voltage Vp p on 20
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