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TPS62225DDCT

TPS62225DDCT Buck Converter 2.2V 400mA TSOT-23-5

MPNTPS62225DDCT
Active

Texas Instruments TPS62225DDCT, step-down buck regulator, fixed 2.2 V output, 400 mA, synchronous rectifier, 1.25 MHz switching, TSOT-23-5 package.

$1.6400Ref. price · indicative, final on quote
Texas Instruments TPS62225DDCT datasheet (PDF)
PackagingSOT-23-5 Thin, TSOT-23-5
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TPS62225DDCT specifications
ParameterValue
Output typeFixed
MountingSurface Mount
Voltage - input2.5V
Voltage - output (Min (Fixed))2.2V
Output current400mA
Frequency - switching1.25MHz
I/O channels1
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
FunctionStep-Down
TopologyBuck
CaseSOT-23-5 Thin, TSOT-23-5
Output configurationPositive
Synchronous rectifierYes

Product details

Fixed 2.2 V rail for low-power loads

The TPS62225DDCT is a synchronous step-down (buck) regulator from Texas Instruments that delivers a fixed 2.2 V output at up to 400 mA from a 2.5 V to 6 V input rail. The fixed output eliminates the feedback divider network, saving two resistors and one feedback node on the PCB. The 1.25 MHz switching frequency allows the use of small inductors and ceramic output capacitors, keeping the total solution footprint compact for space-constrained designs.

Synchronous rectifier and efficiency

With an integrated synchronous rectifier, the TPS62225DDCT eliminates the external Schottky catch diode, reducing BOM count and improving efficiency at light loads. The single 400 mA output is suited for powering low-voltage digital cores, sensor rails, or I/O supplies in portable and battery-powered equipment.

Active lifecycle and package

The part is ROHS3 compliant.

Frequently asked questions

Is TPS62225DDCT pin-compatible with TPS62225DDCR?

Both parts share the same base product number TPS62225 and the same TSOT-23-5 package. The suffix DDCT vs DDCR typically indicates different packing options (Tape & Reel vs Cut Tape), not a pinout change. Confirm the packing code against your assembly requirements.