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ST1S14PHR

Converts input 5.5V to output 48V efficiently and reliably

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ST1S14PHR General Description

Buck Switching Regulator IC Positive Adjustable 1.22V 1 Output 3A 8-SOIC (0.154", 3.90mm Width) Exposed Pad

st1s14phr st1s14phr

Key Features

  • 3 A DC output current
  • Operating input voltage from 5.5 V to 48 V
  • 850 kHz internally fixed switching frequency
  • Internal soft-start
  • Power good open collector output
  • Current mode architecture
  • Embedded compensation network
  • Zero load current operation
  • Internal current limiting
  • Inhibit for zero current consumption
  • 2 mA maximum quiescent current over temperature range
  • 250 mΩ typ. RDS(on)
  • Thermal shutdown
st1s14phr st1s14phr

Application

  • Power Supplies: It can be used to provide a stable voltage supply for microcontrollers, sensors, and other components in electronic devices.
  • Battery-Powered Devices: This regulator is ideal for battery-operated devices where efficiency and long battery life are critical.
  • Point-of-Load (POL) Regulation: It is often used as a point-of-load regulator to supply power to specific components or subsystems within a larger system.
  • Embedded Systems: The IC can be used in embedded systems, including IoT devices, to regulate power for various functions.
  • LED Drivers: It can be used in LED driver circuits to provide a constant and regulated current for driving LEDs.
  • Consumer Electronics: The ST1S14PHR can be found in a wide range of consumer electronics, including smartphones, tablets, and portable media players.
  • Industrial Applications: It can be used in industrial equipment and control systems to regulate power supplies for sensors and actuators.
  • Automotive Electronics: Some versions of this IC are suitable for automotive applications, providing regulated power to various components in vehicles.
st1s14phr st1s14phr

Specifications

Product Category: Switching Voltage Regulators Mounting Style: SMD/SMT
Output Voltage: 400 mV Output Current: 3 A
Input Voltage MAX: 48 V Topology: Buck
Switching Frequency: 850 kHz Series: ST1S14
Packaging: Reel Type: Voltage Converter
Product Type: Switching Voltage Regulators Factory Pack Quantity: 2500
Subcategory: PMIC - Power Management ICs Unit Weight: 0.002504 oz
Tags ST1S14, ST1S1, ST1S, ST1 Function Step-Down
Output Configuration Positive Topology Buck
Output Type Adjustable Number of Outputs 1
Voltage - Input (Min) 5.5V Voltage - Input (Max) 48V
Voltage - Output (Min/Fixed) 1.22V Voltage - Output (Max) 43.2V
Current - Output 3A Frequency - Switching 850kHz
Synchronous Rectifier No Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Base Product Number ST1S14

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Ratings and Reviews

More
B
B**n 12/14/2023

It was 5 days before izhevsk. I did not check in the work.

18
B
B**n 08/04/2023

The sensor works. Delivery is long, schemes are on the internet. In principle, i'm happy, i do not know how long.

16
A
A**y 02/10/2023

I ordered 25.07.2019 the seller sent 26.07.2019 from 16.08.2019 showed that it was handed over to the postal service and there was nothing further. And here on 12.09.2019 when already and did not expect to receive, brought to the mailbox. The seller is sociable. Delivery time is not his fault. I don't know how it works yet. Packed each in a separate bag. And then a bag of puffy

17
J
J**a 05/05/2022

Got pretty fast, the quality is excellent, packed in anti-static bags

6

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Availability: 6746 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $0.814 $0.81
10+ $0.738 $7.38
30+ $0.696 $20.88
100+ $0.649 $64.90
500+ $0.542 $271.00
1000+ $0.533 $533.00

The prices below are for reference only.

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