LM2574N-3.3 National Semiconductor, LM2574N-3.3 Datasheet - Page 22

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LM2574N-3.3

Manufacturer Part Number
LM2574N-3.3
Description
SWITCHING REG 0.5A 3.3V, 2574, DIP8
Manufacturer
National Semiconductor
Datasheet

Specifications of LM2574N-3.3

Output Voltage
3.3V
Voltage Regulator Case Style
DIP
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Svhc
No SVHC (15-Dec-2010)
Operating Temperature Max
125°C
Operating
RoHS Compliant

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Definition of Terms
INDUCTOR SATURATION
The condition which exists when an inductor cannot hold any
more magnetic flux. When an inductor saturates, the induc-
tor appears less inductive and the resistive component domi-
nates. Inductor current is then limited only by the DC resis-
tance of the wire and the available source current.
(Continued)
22
OPERATING VOLT MICROSECOND CONSTANT (E • T
The product (in VoIt • µs) of the voltage applied to the inductor
and the time the voltage is applied. This E • T
measure of the energy handling capability of an inductor and
is dependent upon the type of core, the core area, the num-
ber of turns, and the duty cycle.
op
constant is a
op
)

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