Product Information

ST1S14PHR

ST1S14PHR electronic component of STMicroelectronics

Datasheet
Switching Voltage Regulators Up to 3A Step Down 3A DC 5.5-48V 850Mhz
Manufacturer: STMicroelectronics
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 1.2844 ea
Line Total: USD 1.28

3725 - Global Stock
Ships to you between
Mon. 20 May to Thu. 23 May
MOQ: 1  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
50925 - WHS 1


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 2500
Multiples : 2500

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ST1S14PHR
STMicroelectronics

2500 : USD 2.639

3725 - WHS 2


Ships to you between
Mon. 20 May to Thu. 23 May

MOQ : 1
Multiples : 1

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ST1S14PHR
STMicroelectronics

1 : USD 1.2844
10 : USD 1.0892
30 : USD 0.9825
100 : USD 0.8622
500 : USD 0.7005
1000 : USD 0.6767

8707 - WHS 3


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 1
Multiples : 1

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ST1S14PHR
STMicroelectronics

1 : USD 3.458
3 : USD 3.12
8 : USD 2.041
22 : USD 1.937
2500 : USD 1.859

863 - WHS 4


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 41
Multiples : 1

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ST1S14PHR
STMicroelectronics

41 : USD 2.1525

97000 - WHS 5


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 2500
Multiples : 2500

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ST1S14PHR
STMicroelectronics

2500 : USD 1.3925

7823 - WHS 6


Ships to you between Mon. 13 May to Fri. 17 May

MOQ : 16
Multiples : 1

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ST1S14PHR
STMicroelectronics

16 : USD 2.3677
50 : USD 1.9854
100 : USD 1.8824
200 : USD 1.8678
500 : USD 1.6912
1000 : USD 1.5938
2000 : USD 1.5619

Read More Specifications

     
Manufacturer
Product Category
Output Current
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Brand
No. Of Outputs
Dc / Dc Converter Ic Case
No. Of Pins
Output Voltage Min
Operating Temperature Max
Msl
Svhc
Operating Temperature Min
Primary Input Voltage
LoadingGif

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Additional Infomation About Product

ST1S14 Up to 3 A step-down switching regulator Datasheet - production data Applications Factory automation Printers DC-DC modules +623 H SRVHG SDG HSOP8 - exposed pad High current LED drivers Features Description The ST1S14 is a step-down monolithic power 3 A DC output current switching regulator able to deliver up to 3 A DC Operating input voltage from 5.5 V to 48 V current to the load depending on the application 850 kHz internally fixed switching frequency conditions. The high current level is also achieved thanks to a HSOP8 package with exposed frame, Internal soft-start that allows to reduce the R down to th(JA) Power good open collector output approximately 40 C/W. The output voltage can Current mode architecture be set from 1.22 V. The device uses an internal N- channel DMOS transistor (with a typical R of Embedded compensation network DS(on) 200 m) as the switching element to minimize the Zero load current operation size of the external components. The internal Internal current limiting oscillator fixes the switching frequency at 850 kHz. Power good open collector output validates Inhibit for zero current consumption the regulated output voltage as soon as it reaches 2 mA maximum quiescent current over the regulation. Pulse-by-pulse current limit offers temperature range an effective constant current short-circuit 250 m typ. R DS(on) protection. Current foldback decreases overstress in a persistent short-circuit condition. Thermal shutdown Figure 1. Application schematic 3*223*22 && )) QQ 88 67 6 67 6 // ++ XX 77 928928 7 %22 : 6 11 9,9, 1 9, 55 .. 3*22 (1 55 .. (1 % ) *1 && && && && )) XX )) QQ )) XX 55 .. 6736 / 6736 / 88 O L D Q J V OO VPD *1*1 *1*1 H Q S O D SRZHU December 2020 DocID17977 Rev 3 1/46 This is information on a product in full production. www.st.com 46Contents ST1S14 Contents 1 Pin settings 6 1.1 Pin connection 6 1.2 Pin description 6 1.3 Enable inputs . 6 2 Electrical data 7 2.1 Maximum ratings 7 2.2 Thermal data . 7 2.3 ESD protection 7 3 Electrical characteristics . 8 4 Function description 10 4.1 Power supply and voltage reference .11 4.2 Voltage monitor .11 4.3 Soft-start .11 4.4 Error amplifier 13 4.5 Inhibit function . 13 4.6 Thermal shutdown 13 5 Additional features and limitations 14 5.1 Maximum duty cycle . 14 5.2 Minimum output voltage over V range 15 IN 6 Closing the loop . 16 6.1 G (s) control to output transfer function 17 CO 6.2 Error amplifier compensation network . 18 6.3 Voltage divider . 19 6.4 Total loop gain . 20 7 Application information . 22 7.1 Component selection 22 7.1.1 Input capacitor 22 2/46 DocID17977 Rev 3

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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