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WPMDB1200362Q Datasheet(PDF) 3 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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WPMDB1200362Q Datasheet(HTML) 3 Page - Wurth Elektronik GmbH & Co. KG, Germany. |
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3 / 29 page  WPMDB1600362Q / 171060302 MagI 3C Power Module VDRM – Variable Step Down Regulator Module We-online.com Würth Elektronik eiSos GmbH & Co. KG – Preliminary Data Sheet REV 0.1 © Mai 2015 3/29 PIN DESCRIPTION SYMBOL PIN TYPE DESCRIPTION VIN 30,31,32 Power Input Voltage. Place input capacitors as close as possible VOUT 8,9,10,11, 12,13,14,38 Power Output voltage. Place output capacitors as close as possible. For thermal performance use copper plane(s) at these pins. AGND 5,7,33,34 Supply Analog ground for internal circuitry. Connect to power ground PGND 37 Power Power ground for the internal switching circuitry. Connect to copper plane(s) with thermal vias for thermal performance. VSENSE+ 36 Input Connect to positive terminal of the output capacitor. An internal resistor of 1430 Ω is connected internally between VSENSE+ and VADJ. This is the upper resistor of the feedback voltage divider. VADJ 35 Input A resistor (RSET) from VADJ to AGND is needed to select the output voltage. This is the lower resistor of the feedback voltage divider. RT/CLK 4 Input An external resistor from RT/CLK to AGND adjusts the switching frequency of the device. INTRRT 5 analog Internal resistor which defines the default switching frequency. RCOMP 1 analog Internal resistor of the compensation network. Must be connected to AGND. OPTIONAL SYMBOL PIN TYPE DESCRIPTION UVLO 29 Input An internal under-voltage lock out resistor of 34 kΩ is connected to the enable pin. If connected to analog ground, the internal UVLO resistor divider will be activated. For input voltages below 3.3V this pin should be left open and optional a resistor from enable to analog ground sets the UVLO to values between 2.95 and 3.3 V. ENABLE 28 Input Enable pin. Internally pull up source. Pull to analog ground to disable. Float to Enable. PGOOD 27 Output Open drain output. The PGOOD pin pulls low during thermal shutdown, over- current, output over-voltage or under-voltage or disabled device. A pull up resistor is required. SS/TR 6 Input Internal current source. Connect an external capacitor to optionally increase the soft start time. A voltage applied to this pin allows tracking and sequencing. INTSS 7 analog An internal 3.3nF capacitor is connected to this pin. If pin 7 is connected to analog ground, a 1.1ms soft start time is selected. AUXILIARY SYMBOL PIN TYPE DESCRIPTION COMP 3 Output Output of the error amplifier. If an external compensation is used, pin 1 must be left open. CCOMP 2 analog Internal capacitor of the compensation network. Do not connect. BOOT 26 Supply Internal bootstrap pin for the high side mosfet. SWITCH 17,18,19,20 ,21,22,23, 24,25,39 Power Internal switch node. Do not connect these pins. NC 15,16 Not connected to internal circuitry. |
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