| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 6 Pin |
| Case/Package | DFN-6 |
| Number of Outputs | 1 Output |
| Output Current | 1.5 A |
| Number of Positions | 6 Position |
| Quiescent Current | 2.5 mA |
| Switching Frequency | 1.5 MHz |
| Input Voltage (Max) | 16 V |
| Input Voltage (Min) | 3 V |
| Output Voltage (Max) | 13.92 V |
| Output Voltage (Min) | 0.8 V |
| Operating Temperature (Max) | 150 ℃ |
| Supply Voltage | 3 V |
| Input Voltage | 16 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Size-Length | 3.1 mm |
| Size-Width | 3.1 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | 0℃ ~ 125℃ (TJ) |
The ST1S03PUR is a step-down DC-to-DC Converter optimized for powering a low voltage digital core in HDD applications and generally, to replace the high current linear solution when the power dissipation may cause a high heating of the application environment. It provides up to 1.5A over an input voltage range of 3 to 16V. A high switching frequency (1.5MHz) allows the use of tiny surface-mount components - as well as the resistor divider to set the output voltage value, only an inductor, a Schottky diode and two capacitors are required. Besides, a low output ripple is guaranteed by the current-mode PWM topology and by the use of low ESR SMD ceramic capacitors. The device is thermal protected and current limited to prevent damages due to an accidental short-circuit.
● Uses tiny capacitors and inductors
● Internal soft-start for startup current limitation and power on delay of 50 to 100µs
● Typical efficiency of >70% overall operating conditions
● 2% DC output voltage tolerance
● Maximum not switching quiescent current of 2.5mA over temperature range
● 350mV at ISW=750mA Maximum switch VDS
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