ST1S03PUR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ST1S03PUR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW19686859
Category

DC to DC Converter
Package

DFN-6
Description

Conv DC-DC 3V to 16V Step Down Single-Out 1.5A 6Pin DFN T/R
Documentation

Datasheet

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ST1S03PUR Specifications

Attribute	Attribute Value

Part Number	ST1S03PUR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW19686859
Category	DC to DC Converter
Documentation	Datasheet
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
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Size-Length	3.1 mm
Size-Width	3.1 mm
Size-Height	0.95 mm
Operating Temperature	0℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

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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