Datenblatt-Suchmaschine für elektronische Bauteile |
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CS5332GDWR28 Datenblatt(PDF) 8 Page - ON Semiconductor |
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CS5332GDWR28 Datenblatt(HTML) 8 Page - ON Semiconductor |
8 / 20 page CS5332 http://onsemi.com 8 PACKAGE PIN DESCRIPTION PACKAGE PIN # PIN SYMBOL FUNCTION 28 Lead SO Wide 1 COMP Output of the error amplifier and input for the PWM comparators. 2 VFB Voltage Feedback Pin. To use Adaptive Voltage Positioning (AVP) select an offset voltage at light load and connect a resistor between VFB and VOUT. The input current of the VFB pin and the resistor value determine output voltage offset for zero output current. Short VFB to VOUT for no AVP. 3 VDRP Current sense output for AVP. The offset of this pin above the DAC voltage is proportional to the output current. Connect a resistor from this pin to VFB to set amount AVP or leave this pin open for no AVP. 4−5 CS1−CS2 Current sense inputs. Connect current sense network for the corresponding phase to each input. 6 CSREF Reference for current sense amplifiers and input for Power Good comparators. To balance input offset voltages between the inverting and non−inverting inputs of the current sense amplifiers, connect a resistor between CSREF and the output voltage. The value should be 2/5 of the value of the resistors connected to the CSx pins. 7 PWRGD Power−Good Output. Open collector output goes low when the CSREF is out of regulation. 8−12 VID4−VID0 Voltage ID DAC inputs. These pins are internally pulled up to 3.3 V if left open. 13 ILIM Sets threshold for current limit. Connect to reference through a resistive divider. 14 REF Reference output. Decouple with 0.1 μF to LGND 15 VCCH2 Power for GATE(H)2. 16 GATE(H)2 High side driver #2. 17 GND2 Return for #2 drivers. 18 GATE(L)2 Low side driver #2. 19 VCCL2 Power for GATE(L)2. 20 SS Soft Start capacitor pin. The Soft Start capacitor controls both Soft Start time and hiccup mode frequency. The COMP pin is clamped below Soft Start during start up and hiccup mode. 21 LGND Return for internal control circuits and IC substrate connection. 22 VCCH1 Power for GATE(H)1. UVLO Sense for High Side Driver sup- ply connects to this pin. 23 GATE(H)1 High side driver #1. 24 GND1 Return for #1 drivers. 25 GATE(L)1 Low side driver #1. 26 VCCL1 Power for GATE(L)1. 27 VCCL Power for internal control circuits. UVLO Sense for Logic connects to this pin. 28 ROSC A resistor from this pin to ground sets operating frequency and VFB bias current. |
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