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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The PT78ST100 is a series of wide input range, 3-terminal regulators.
These ISRs have a maximum output current of 1.5 Amps and an output voltage that is laser trimmed to a variety of industry standard voltages.
These 78 series regulators have excellent line and load regulation with internal short- circuit and over-temperature protection, and are offered in a variety of standard output voltages. These ISRs are very flexible and may be used in a wide variety of applications.
• Very Small Footprint
• High Efficiency > 85%
• Self-Contained Inductor
• Internal Short-Circuit Protection
• Over-Temperature Protection
• Fast Transient Response
• Wide Input Range

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PT78ST105H Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	3 Pin
Case/Package	SIP-3
Frequency	650 kHz
Supply Voltage (DC)	38.0 V, 9.00 V (min)
Current Rating	1.50 A
Number of Outputs	1 Output
Input Voltage (DC)	9.00V ~ 38.0V
Output Voltage	5 V
Output Current	1.5 A
Number of Regulated Outputs	1 Output
Output Power	7.5 W
Topology	Buck
Input Voltage (Max)	38 V
Input Voltage (Min)	9 V
Input Voltage (DC Max)	38 V
Input Voltage (DC Min)	9 v
Output Voltage (Max)	5 V
Output Current (Max)	1.5 A
Input Power (Max)	7.5 W
Input Power (Max)	7.5 W
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	1 %
Supply Voltage	38 V
Supply Voltage (Max)	38 V
Supply Voltage (Min)	9 V
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Size-Length	23.9 mm
Size-Width	22.9 mm
Size-Height	7.87 mm
Weight	6.50 g
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
HK STC License	NLR

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