TC105303ECTTR
ActiveDC DC CNTRLR SINGLE-OUT STEP DOWN 2.2V TO 10V INPUT 5-PIN SOT-23A T/R
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TC105303ECTTR
ActiveDC DC CNTRLR SINGLE-OUT STEP DOWN 2.2V TO 10V INPUT 5-PIN SOT-23A T/R
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Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | TC105303ECTTR | TC105 Series |
|---|---|---|
| - | - | |
| Clock Sync | False | False |
| Control Features | Enable | Enable |
| Duty Cycle (Max) [Max] | 100 % | 100 % |
| Frequency - Switching | 300 kHz | 300 kHz |
| Function | Step-Down | Step-Down |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Outputs | 1 | 1 |
| Operating Temperature [Max] | 85 °C | 85 °C |
| Operating Temperature [Min] | -40 °C | -40 °C |
| Output Configuration | Positive | Positive |
| Output Phases | 1 | 1 |
| Output Type | Transistor Driver | Transistor Driver |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 | SOT-23-5 |
| Synchronous Rectifier | False | False |
| Topology | Buck | Buck |
| Voltage - Supply (Vcc/Vdd) [Max] | 10 V | 10 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 2.2 V | 2.2 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 3000 | $ 2.59 | |
| Microchip Direct | T/R | 1 | $ 3.41 | |
| 25 | $ 2.85 | |||
| 100 | $ 2.59 | |||
| 1000 | $ 2.15 | |||
| 5000 | $ 1.99 | |||
| 10000 | $ 1.85 | |||
| Newark | Each (Supplied on Full Reel) | 100 | $ 2.67 | |
TC105 Series
PFM/PWM Step-Down DC/DC Converter
| Part | Supplier Device Package | Output Phases | Operating Temperature [Max] | Operating Temperature [Min] | Package / Case | Number of Outputs | Function | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Output Configuration | Clock Sync | Output Type | Frequency - Switching | Topology | Duty Cycle (Max) [Max] | Synchronous Rectifier | Control Features | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Microchip Technology TC105303ECTTR | SOT-23-5 | 1 | 85 °C | -40 °C | SC-74A, SOT-753 | 1 | Step-Down | 2.2 V | 10 V | Positive | Transistor Driver | 300 kHz | Buck | 100 % | Enable | Surface Mount | ||
Microchip Technology TC105333ECTTR | SOT-23-5 | 1 | 85 °C | -40 °C | SC-74A, SOT-753 | 1 | Step-Down | 2.2 V | 10 V | Positive | Transistor Driver | 300 kHz | Buck | 100 % | Enable | Surface Mount | ||
Microchip Technology TC105303ECTTR | ||||||||||||||||||
Microchip Technology TC105303ECTTR | ||||||||||||||||||
Microchip Technology TC105503ECTTR | SOT-23-5 | 1 | 85 °C | -40 °C | SC-74A, SOT-753 | 1 | Step-Down | 2.2 V | 10 V | Positive | Transistor Driver | 300 kHz | Buck | 100 % | Enable | Surface Mount | ||
Microchip Technology TC105303ECTTR |
Description
General part information
TC105 Series
The TC105 is a step-down (Buck) switching controller that furnishes output currents of up to 1A (max) while delivering a typical efficiency of 92%. The TC105 normally operates in pulse width modulation mode (PWM), but automatically switches to pulse frequency modulation (PFM) at low output loads for greater efficiency. Oscillator frequency is 300 KHz, allowing use of small (22 µH) inductors. Supply current draw is only 102 µA (max), and is reduced to less than 0.5 µA when the SHDN input is brought low. Regulator operation is suspended during shutdown. The TC105 accepts a maximum input voltage of 10V. The TC105 is housed in a tiny 5-pin SOT-23A package, occupies minimum board space, and is ideal for a wide range of applications.
Documents
Technical documentation and resources