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PDF ST1L04 Data sheet ( Hoja de datos )
| Número de pieza | ST1L04 | |
| Descripción | LOW QUIESCENT CURRENT VOLTAGE REGULATOR | |
| Fabricantes | STMicroelectronics | |
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ST1L04www.DataSheet4U.com
LOW QUIESCENT CURRENT VOLTAGE REGULATOR
I ADJUSTABLE OUTPUT VOLTAGE FROM
0.8V to VI -Vd
I INTERNAL REFERENCE VOLTAGE
ACCURACY ± 2% AT 25°C
I OUTPUT CURRENT CAPABILITY: 1A
MINIMUM
I VERY LOW QUIESCENT CURRENT: MAX
3mA OVER TEMPERATURE RANGE
I MAXIMUM DROPOUT 1V (@ IO=1A)
I STABLE ONLY WITH LOW ESR CERAMIC
CAPACITORS
I THERMAL SHUTDOWN PROTECTION
WITH HYSTERESIS
I OVER CURRENT PROTECTION
I OPERATING JUNCTION TEMPERATURE
RANGE: FROM 0 TO 125°C
DESCRIPTION
The ST1L04 is a low drop adjustable linear
voltage regulator capable to supply up to 1A
output current.
The output voltage can be as low as 0.8V. The
quiescent current is well controlled and
maintained below 3mA over the whole allowed
PPAK
junction temperature range. The ST1L04 is stable
only with low ESR output ceramic capacitors.
Internal protection circuitry includes thermal
protection with hysteresis and over current
limiting.
The ST1L04 is especially suitable for applications
requiring low voltage outputs from low voltage
inputs. Typical application for this product are,
notebook PCs, low voltage ASIC, VID power
supplies and low cost post regulation for 3.3V
output voltage switching regulators.
Figure 1: Schematic Diagram
February 2005
Rev. 1
1/11
1 page  
Figure 10: Quiescent Current vs Output Current
ST1L04
Figure 13: Dropout Vowltwawg.eDavstaOShueteptu4tU.Ccuomrrent
Figure 11: Quiescent Current vs Input Voltage
Figure 14: Supply Ripple Rejection vs
Temperature
Figure 12: Dropout Voltage vs Temperature
Figure 15: Supply Ripple Rejection vs
Temperature
5/11
5 Page 
ST1L04
www.DataSheet4U.com
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
All other names are the property of their respective owners
© 2005 STMicroelectronics - All Rights Reserved
STMicroelectronics group of companies
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11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet ST1L04.PDF ] | |
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