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

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Description

The LM3578AM is a Switching Regulator which can easily be set up for such DC-to-DC voltage conversion circuits as the buck, boost and inverting configurations. The LM2578A features a unique comparator input stage which not only has separate pins for both the inverting and non-inverting inputs, but also provides an internal 1V reference to each input, thereby simplifying circuit design and p.c. board layout. The output can switch up to 750mA and has output pins for its collector and emitter to promote design flexibility. An external current limit terminal may be referenced to either the ground or the Vin terminal, depending upon the application. In addition, the switching regulator has an on board oscillator, which sets the switching frequency with a single external capacitor from <1Hz to 100kHz (typical) and offers higher maximum ratings for the total supply voltage and output transistor emitter and collector voltages.
Inverting and non-inverting feedback inputs
Current limit and thermal shutdown
Up to 90% duty cycle
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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LM3578AM Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	24 kHz
Number of Outputs	1 Output
Output Voltage	1 V
Output Current	750 mA
Number of Positions	8 Position
Number of Regulated Outputs	1 Output
Switching Frequency	100 kHz
Input Voltage (Max)	40 V
Input Voltage (Min)	2 V
Output Voltage (Min)	1 V
Output Current (Max)	0.75 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	0 ℃
Accuracy	1 %
Supply Voltage (Min)	2 V
Input Voltage	2V ~ 40V
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Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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