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Texas Instruments PT78ST105V DC DC Switching Regulators

1.5A switching regulator with a 5V nominal output voltage and 7.5W maximum output power.

800 ActiveTexas InstrumentsPT78ST100PT78STSIP$1045.45RoHS
PT78ST105V SIP package illustration

Same model may have multiple batches, images only for reference.

PT78ST105V
Manufacturer
Part Number (MPN)
PT78ST105V
Series
Base Model
Detailed Description
1.5A switching regulator with a 5V nominal output voltage and 7.5W maximum output power. Features include over-temperature protection (OTP) and short-circuit protection (SCP). Operates with a 9V to 38V DC input voltage range and a switching frequency up to 700kHz. Non-isolated, SIP package, 85% efficiency, and RoHS compliant.
Package
SIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF PT78ST105V Datasheet
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Ordering Code Family

PT78ST groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

2 ordering variants listed on the family page.

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Technical Specifications

Texas Instruments PT78ST105V DC DC Switching Regulators technical specifications.

General

Series
PT78ST100
RoHS
Yes
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C
Package
SIP
Current Output 1
1.5A
Current Rating
1.5A
Depth
7.87mm
Efficiency
85%
Features
OTP, SCP

Alternate Parts Comparison (PT78ST105V vs PT78ST133S vs PT5401A vs PT5102A)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
SeriesPT78ST100PT78ST100Excalibur™ PT5400PT5100
Operating Temperature-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C
RoHSYesYesYesYes
Current Output 11.5A1.5A6A1A
Depth7.87mm22.86mm22.86mm25.4mm
Efficiency85%80%93%94%
FeaturesOTP, SCPOTP, SCPUVLOOCP, OTP
Height0.94inch0.34inch0.31inch0.38inch
Lead FreeLead FreeLead FreeLead FreeLead Free
Length0.9inch0.94inch1.11inch1inch
Max Input Voltage38V26V5.5V38V
Max Output Current1.5A1.5A6A1A
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Texas Instruments PT78ST105V DC DC Switching Regulators Overview

1.5A switching regulator with a 5V nominal output voltage and 7.5W maximum output power. Features include over-temperature protection (OTP) and short-circuit protection (SCP). Operates with a 9V to 38V DC input voltage range and a switching frequency up to 700kHz. Non-isolated, SIP package, 85% efficiency, and RoHS compliant.

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