G45AH2 Series — Active Clamp Forward

Key features & specifications

TopologyActive Clamp Forward

Power Range100–240 W

Input9–36 / 18–72 / 32–72 Vin

Size21 × 23 × 10 mm

Reference DesignsDC1994A · DC2050A

ControllersLT3752 / LT3753

Turns1T – 16T integer

ConstructionAggressive interleave, multilayer PCB

OptionsSMT · pad-to-pad mounting

G45AH2 series planar magnetics are the Active Clamp Forward parts matched to the Analog Devices® DC1994A and DC2050A reference designs. Same 21 × 23 × 10 mm outline as the G45 series, with aggressive interleave planar construction for the lowest achievable leakage inductance.

Part number & parameter table

Stresses beyond values listed may cause permanent damage. Functional operation beyond any rating is not implied. All values at T<sub>amb</sub> = 25 °C unless noted.

Champs PN	Vin Min (V)	Vin Max (V)	Vout (V)	Io (A)
G45AH2-0404-04	18	72	12.0	12.0

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Mechanical outline & package dimensions

Length	L	21.0
Width	W	23.0
Height	H	10.0
Finish		RoHS · Cu leads · Sn/Ag 96/4

Notes

G45AH2 is the G45-series part number family specified for the Analog Devices® DC1994A reference design, input voltage range 18–72 V.
See also the Champs G45 series part numbers and data sheets for the wider DC1317A reference design set.
Consult the Analog Devices® reference-design BOM and schematic for the exact device specified for use in that design.
Integer turns from 1T to 16T are available; windings can be used as primary or secondary.
Contact applications engineering for custom variants.