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JC34063E fiches techniques PDF

ETC - 1.5A DC TO DC CONVERTER CONTROL

Numéro de référence JC34063E
Description 1.5A DC TO DC CONVERTER CONTROL
Fabricant ETC 
Logo ETC 





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JC34063E fiche technique
JC34063 series
1.5A DC T O DC
CONVERTER CONT ROL
Description
JC34063 series have all the functions required for
DC-to-DC converters: an internal Temperature-
compensated reference, comparator, controlled duty
cycle oscillator with an active current limit circuit,
driver, and high current output switch.
JC34063 series are designed for step-down, step-up
and voltage-inverting applications by using a
minimum number of external components.
For JC34063E can operate for a temperature range
from -40°C to 125°C while JC34063F can operate
from -25°C to 85°C.
Features
‹ 3.0V to 40V Input
‹ Adjustable Output Voltage
‹ Output Switch Current to 1.5A
‹ Low Standby Current
‹ Operating Frequency to 100kHz
‹ Precision 1 % Reference available
Application
z CD-ROM
z Motherboards
z SMPS Power Supply
Schematic Diagram
z Battery Chargers
z DSL Modem
8
Driver Collector
7
IPK Sense
6
VCC
5
Comparator
Inverting Inpu t
1
Switch Collector
S Q Q2
R Q1
IPK Oscillator
CT
Comparator
+
-
100
1.25V
VREF
2
Switch Em itter
3
Timing Cap acitor
4
GND
1
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