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High Isolated DC/DC Converters for Gate Drivers

DC/AC inverters are often floated a few hundred volts. A typical isolation voltage would be at least twice the working voltage. Taking into account the high switching rates and high floating voltages, highly isolated converters are needed to power these gate drivers. The fast switching rate is required to maintain a high efficiency. Optocouplers act as an insulator for the control signal, but there is a need for an insulator on the power side. Whether IGBT, SiC MOSFET or GaN, RECOM’s DC/DC converters for gate drivers are simple drop-in modules to extend the lifetime and reliability of these DC/AC inverters.

RECOM’s DC/DC converters RH, RV, RP, RGZ, RKZ, RxxPxx, and RxxP2xx are specially designed for IGBT driver circuits. Their asymmetric outputs of +15V and -9V makes them ideal to power IGBT drivers, so now just one converter is needed where previously two were required. To meet the requirements of the different IGBT applications, RECOM offers various pin-outs and packages (SIP/DIP).

Switching SiC MOSFETs requires turn-on and turn-off voltages which are uncommon for other IGBT or MOSFET applications. The RxxP22005D and RKZ-xx2005D series feature asymmetric outputs of +20V and -5V to efficiently and effectively switch the SiC MOSFET. The RxxP21503D series provides asymmetric output voltages of +15 and -3V, which are needed to efficiently switch second generation SiC MOSFETs.

High slew-rate GaN transistor drivers reach optimal performance switching at +6V from RECOM’s DC/DC converters RP-xx06S and RxxP06S series featuring high isolation voltage and low isolation capacitance. In GaN applications where higher noise and interferences have to be considered, RECOM also offers converters with +9V output which can be split up via a Zener diode to +6V and -3V to provide a negative gate voltage on turn-off ensuring that the gate voltage stays below the turn-on threshold.

IGBT

  • RxxP2xx, RxxPxx, RP, RH & RKZ series in a compact SIP7 case
  • RV & RGZ series in a low profile DIP14 and mini DIP24 case
  • +15V and -9V outputs
  • Up to 6.4kVDC isolation
  • 5V, 12V or 24V inputs
  • 1W or 2W total outputs
  • Symmetric power
  • Up to 86% efficiency
  • Up to +90°C operating temperature
  • EN certified
  • 3 year warranty

SiC

  • RxxP21503D, RxxP22005D, RKZ-xx2005D series in a compact SIP7 case
  • +15/-3V & +20/-5V outputs
  • Up to 6.4kVDC isolation
  • 5V, 12V, 15V or 24V inputs
  • 2W total output
  • Symmetric power or symmetric current output
  • Up to 87% efficiency
  • Up to +90°C operating temperature
  • EN certified
  • 3 year warranty

GaN

  • RJZ, RK, RP, RV, RxxPxx, RxxP2xx in a compact DIP14, DIP24 or SIP7 cases
  • +6V & +9V outputs
  • Up to 6.4kVDC isolation
  • 5V, 12V, 15V, or 24V inputs
  • 1W or 2W output power
  • Up to 83% efficiency
  • Up to +90°C operating temperature
  • EN certified
  • 3 year warranty

IGBT

Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RGZ-241509D 2 24 VDC +15/-09 67/-111 2 DIP14 3 optional
RGZ-241509D/H 2 24 VDC +15/-09 67/-111 2 DIP14 4 optional
RGZ-241509D/HP 2 24 VDC +15/-09 67/-111 2 DIP14 4 optional
RGZ-241509D/P 2 24 VDC +15/-09 67/-111 2 DIP14 3 optional
RGZ-051509D 2 5 VDC +15/-09 67/-111 2 DIP14 3 optional
RGZ-051509D/H 2 5 VDC +15/-09 67/-111 2 DIP14 4 optional
RGZ-051509D/HP 2 5 VDC +15/-09 67/-111 2 DIP14 4 optional
RGZ-051509D/P 2 5 VDC +15/-09 67/-111 2 DIP14 3 optional
RGZ-121509D 2 12 VDC +15/-09 67/-111 2 DIP14 3 optional
RGZ-121509D/H 2 12 VDC +15/-09 67/-111 2 DIP14 4 optional
RGZ-121509D/HP 2 12 VDC +15/-09 67/-111 2 DIP14 4 optional
RGZ-121509D/P 2 12 VDC +15/-09 67/-111 2 DIP14 3 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RH-051509D 1 5 VDC +15/-09 33/-56 2 SIP7 3 optional
RH-051509D/H 1 5 VDC +15/-09 33/-56 2 SIP7 4 optional
RH-051509D/HP 1 5 VDC +15/-09 33/-56 2 SIP7 4 optional
RH-051509D/P 1 5 VDC +15/-09 33/-56 2 SIP7 3 optional
RH-121509D 1 12 VDC +15/-09 33/-56 2 SIP7 3 optional
RH-121509D/H 1 12 VDC +15/-09 33/-56 2 SIP7 4 optional
RH-121509D/HP 1 12 VDC +15/-09 33/-56 2 SIP7 4 optional
RH-121509D/P 1 12 VDC +15/-09 33/-56 2 SIP7 3 optional
RH-241509D 1 24 VDC +15/-09 33/-56 2 SIP7 3 optional
RH-241509D/H 1 24 VDC +15/-09 33/-56 2 SIP7 4 optional
RH-241509D/HP 1 24 VDC +15/-09 33/-56 2 SIP7 4 optional
RH-241509D/P 1 24 VDC +15/-09 33/-56 2 SIP7 3 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RKZ-051509D 2 5 VDC +15/-09 +67/-111 1, 2 SIP7 3 optional
RKZ-051509D/H 2 5 VDC +15/-09 +67/-111 1, 2 SIP7 4 optional
RKZ-051509D/P 2 5 VDC +15/-09 +67/-111 1, 2 SIP7 3 optional
RKZ-051509D/HP 2 5 VDC +15/-09 +67/-111 1, 2 SIP7 4 optional
RKZ-121509D 2 12 VDC +15/-09 +67/-111 1, 2 SIP7 3 optional
RKZ-121509D/H 2 12 VDC +15/-09 +67/-111 1, 2 SIP7 4 optional
RKZ-121509D/P 2 12 VDC +15/-09 +67/-111 1, 2 SIP7 3 optional
RKZ-121509D/HP 2 12 VDC +15/-09 +67/-111 1, 2 SIP7 4 optional
RKZ-241509D 2 24 VDC +15/-09 +67/-111 1, 2 SIP7 3 optional
RKZ-241509D/H 2 24 VDC +15/-09 +67/-111 1, 2 SIP7 4 optional
RKZ-241509D/P 2 24 VDC +15/-09 +67/-111 1, 2 SIP7 3 optional
RKZ-241509D/HP 2 24 VDC +15/-09 +67/-111 1, 2 SIP7 4 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RP-241509D 1 24 VDC +15/-09 +/-42 1, 2 SIP7 5.2 optional
RP-051509D 1 5 VDC +15/-09 +/-42 1, 2 SIP7 5.2 optional
RP-121509D 1 12 VDC +15/-09 +/-42 1, 2 SIP7 5.2 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RV-121509D 2 12 VDC +15/-09 67/-111 1, 2 DIP24 Mini 6 optional
RV-121509D/P 2 12 VDC +15/-09 67/-111 1, 2 DIP24 Mini 6 optional
RV-241509D 2 24 VDC +15/-09 67/-111 1, 2 DIP24 Mini 6 optional
RV-241509D/P 2 24 VDC +15/-09 67/-111 1, 2 DIP24 Mini 6 optional
RV-051509D 2 5 VDC +15/-09 67/-111 1, 2 DIP24 Mini 6 optional
RV-051509D/P 2 5 VDC +15/-09 67/-111 1, 2 DIP24 Mini 6 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R24P21509D 2 24 VDC +15/-09 +67/-111 2 SIP7 6.4 optional
R24P21509D/P 2 24 VDC +15/-09 +67/-111 2 SIP7 6.4 optional
R05P21509D 2 5 VDC +15/-09 +67/-111 2 SIP7 6.4 optional
R05P21509D/P 2 5 VDC +15/-09 +67/-111 2 SIP7 6.4 optional
R12P21509D 2 12 VDC +15/-09 +67/-111 2 SIP7 6.4 optional
R12P21509D/P 2 12 VDC +15/-09 +67/-111 2 SIP7 6.4 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R12P1509D 1 12 VDC +15/-09 +33/-56 1, 2 SIP7 6.4 optional
R12P1509D/P 1 12 VDC +15/-09 +33/-56 1, 2 SIP7 6.4 optional
R24P1509D 1 24 VDC +15/-09 +33/-56 1, 2 SIP7 6.4 optional
R24P1509D/P 1 24 VDC +15/-09 +33/-56 1, 2 SIP7 6.4 optional
R05P1509D 1 5 VDC +15/-09 +/-42 1, 2 SIP7 6.4 optional
R05P1509D/P 1 5 VDC +15/-09 +/-42 1, 2 SIP7 6.4 optional

SiC

Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RKZ-052005D 2 5 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-052005D/H 2 5 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-052005D/P 2 5 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-052005D/HP 2 5 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-122005D 2 12 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-122005D/H 2 12 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-122005D/P 2 12 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-122005D/HP 2 12 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-152005D 2 15 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-152005D/H 2 15 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-152005D/P 2 15 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-152005D/HP 2 15 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-242005D 2 24 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-242005D/H 2 24 VDC +20/-05 50/-200 2 SIP7 4 optional
RKZ-242005D/P 2 24 VDC +20/-05 50/-200 2 SIP7 3 optional
RKZ-242005D/HP 2 24 VDC +20/-05 50/-200 2 SIP7 4 optional
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R12P21503D 2 12 VDC +15/-03 +93/-185 2 SIP7 6.4 -
R15P21503D 2 15 VDC +15/-03 +93/-185 2 SIP7 6.4 -
R24P21503D 2 24 VDC +15/-03 +93/-185 2 SIP7 6.4 -
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R05P22005D 2 5 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R05P22005D/P 2 5 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R12P22005D 2 12 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R12P22005D/P 2 12 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R15P22005D 2 15 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R15P22005D/P 2 15 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R24P22005D 2 24 VDC +20/-05 50/-200 2 SIP7 6.4 optional
R24P22005D/P 2 24 VDC +20/-05 50/-200 2 SIP7 6.4 optional

GaN