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BTD21520 Datasheet(PDF) 17 Page - BASIC SEMICONDUCTOR

Part # BTD21520
Description  Dual-Channel Isolated Gate Driver
PDF  19 Pages
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Manufacturer  BASICSEMI [BASIC SEMICONDUCTOR]
Direct Link  https://www.basicsemi.com/
Logo BASICSEMI - BASIC SEMICONDUCTOR

BTD21520 Datasheet(HTML) 17 Page - BASIC SEMICONDUCTOR

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Dual-ChannelIsolatedGateDriver
BTD21520x
10.2RecommendedDesigns
10.2.1RecommendedDesignofSecondarySideSupply
In order to avoid partial turn-on of the gate of the power device due to interference, it is recommended that customers
add a negative supply when designing the driving output.It is recommended to use the following two methods to gener-
ate the negative supply: use a regulator to generate stable negative voltage, or use both positive and negative supplies.
Figure14-1 VoltageRegulatorDesign
Figure14-2.Dual-SupplyDesign
VDDx
OUTx
VEEx
CA2
CA1
RZ
RGON
20V
C3
VDDx
OUTx
VEEx
CA1
RGON
+
+
VEE
VEE
VEE
VDDx
OUTx
VEEx
CA2
CA1
RZ
RGON
20V
C3
VDDx
OUTx
VEEx
CA1
RGON
+
+
VEE
VEE
VEE



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