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LD7301

Lighting Device Technologies
Part Number LD7301
Manufacturer Lighting Device Technologies
Description High Voltage Linear Regulator
Published Jul 5, 2015
Detailed Description Preliminary – LD7301 High Voltage Linear Regulator for SMPS PWM controller Features　  Wide working voltage range : 15V...
Datasheet PDF File LD7301 PDF File

LD7301
LD7301

Overview
Preliminary – LD7301 High Voltage Linear Regulator for SMPS PWM controller Features　  Wide working voltage range : 15V to 450V  Output current up to 3.
0mA continuous supply, 30mA peak value  Supply current : 250µA (typically)  Line regulation : 0.
1mV/V (typically)  Output Voltage: 5V, 9V, 12V Applications  Off-line SMPS PWM controller startup circuit General Description The LD7301 is a low cost linear regulator producing topquality power supply for high input voltage.
Its features include a 3-terminal fixed output voltage version in TO-92 and SOT-89 packages.
Other than the functions like ordinary low voltage regulators, the LD7301 provides the use of much higher input voltages (up to 450V).
It eliminates the need for large power resistors when used in a SMPS startup circuit.
In this application, current is drawn from the high voltage line only during start-up.
There is only current flow leakage after start-up, thereby reducing the continuous power dissipation from milliwatts t...


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