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7404 Datasheet(Fiches technique) 1 Page - STMicroelectronics

Numéro de pièce 7404
Description  TRIPLE VOLTAGE REGULATOR
Télécharger  11 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

7404 Datasheet(HTML) 1 Page - STMicroelectronics

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November 2000
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ONLY TWO CELL NEED AS INPUT
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THREE REGULATED OUTPUT
1) HIGH EFFICENCY PFM DC/DC
CONVERTER 3.3V AT 200mA (87%
EFFICENCY)
2) VERY LOW NOISE AND VERY LOW
DROP VREG (3V AT 20mA)
3) VERY LOW NOISE AAND VERY LOW
DROP VREG (1.9V AT 20mA)
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LOGIC CONTROLLED ELECTRONIC
SHUTDOWN
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LOW BATTERY DETECTOR
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VIRTUAL GND PIN
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TEMPERATURA RANGE: -40 TO 85°C
ST3M01
TRIPLE VOLTAGE REGULATOR
SHDN
DC/DC
Linear A
Linear B
IN_Linear
OUT DC/DC
OUT LA
OUT LB
150 µF
1 µF
15 µH
DC/DC
Ref
Ref
Vref
Lx
Virtual GND
100 nF
GND_SW
-
+
GND_Signal
IN_SW
Vin
150 µF
1 µF
1 K
LBO
On-Mode
Off-Mode
SCHEMATIC DIAGRAM
SO-14


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