Technical Specifications
Parameters and characteristics for this part
| Specification | IR3621FTR |
|---|---|
| Clock Sync | True |
| Control Features | Power Good, Frequency Control, Soft Start |
| Duty Cycle (Max) [Max] | 86.5 % |
| Frequency - Switching [Max] | 500 kHz |
| Frequency - Switching [Min] | 200 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 2 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 C |
| Output Configuration | Positive |
| Output Phases | 2 |
| Output Type | Transistor Driver |
| Package / Case | 4.4 mm, 0.173 " |
| Package / Case | 28-TSSOP |
| Supplier Device Package | 28-TSSOP |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) [Max] | 14.5 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 5.5 V |
| Part | Clock Sync | Topology | Synchronous Rectifier | Function | Output Configuration | Supplier Device Package | Operating Temperature [Min] | Operating Temperature [Max] | Frequency - Switching [Max] | Frequency - Switching [Min] | Control Features | Number of Outputs | Output Type | Package / Case | Voltage - Supply (Vcc/Vdd) [Max] | Voltage - Supply (Vcc/Vdd) [Min] | Output Phases | Duty Cycle (Max) [Max] | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 INFINEON | Buck | Step-Down | Positive | 32-MLPQ (5x5) | -40 C | 125 °C | 500 kHz | 200 kHz | Frequency Control Power Good Soft Start | 2 | Transistor Driver | 32-VFQFN Exposed Pad | 14.5 V | 5.5 V | 2 | 86.5 % | Surface Mount | |||
 INFINEON | Buck | Step-Down | Positive | 28-TSSOP | -40 C | 125 °C | 500 kHz | 200 kHz | Frequency Control Power Good Soft Start | 2 | Transistor Driver | 28-TSSOP | 14.5 V | 5.5 V | 2 | 86.5 % | Surface Mount | 0.173 " 4.4 mm | ||
INFINEON | Buck | Step-Down | Positive | 28-TSSOP | -40 C | 125 °C | 500 kHz | 200 kHz | Frequency Control Power Good Soft Start | 2 | Transistor Driver | 28-TSSOP | 14.5 V | 5.5 V | 2 | 86.5 % | Surface Mount | 0.173 " 4.4 mm | ||
 INFINEON | Buck | Step-Down | Positive | 32-MLPQ (5x5) | -40 C | 125 °C | 500 kHz | 200 kHz | Frequency Control Power Good Soft Start | 2 | Transistor Driver | 32-VFQFN Exposed Pad | 14.5 V | 5.5 V | 2 | 86.5 % | Surface Mount |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.45 | |
| 10 | $ 2.09 | |||
| 25 | $ 1.96 | |||
| 100 | $ 1.81 | |||
| N/A | 4083 | $ 2.42 | ||
| Tape & Reel (TR) | 2500 | $ 1.81 | ||
Description
General part information
IR3621 Series
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-TSSOP
Documents
Technical documentation and resources