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L4808-L4810-L4812 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 L4808-L4810-L4812은 전자 산업 및 응용 분야에서
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부품번호 L4808-L4810-L4812 기능
기능 VERY LOWDROP VOLTAGE REGULATORS
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L4808-L4810-L4812 데이터시트, 핀배열, 회로
L4805-L4885-L4892
L4808-L4810-L4812
VERY LOW DROP VOLTAGE REGULATORS
....... INPUT/OUTPUT DROP TYP. 0.4V
400mA OUTPUT CURRENT
LOW QUIESCENT CURRENT
REVERSE POLARITY PROTECTION
OVERVOLTAGE PROTECTION (± 60V)
FOLDBACK CURRENT LIMITING
THERMAL SHUTDOWN
DES CRI P TI O N
L4800 series devices are voltage regulators with a
very low voltage drop (typically 0.4V at full rated cur-
rent), output current up to 400mA, low quiescent
current and comprehensiveon-chip protection.The-
se devices are protected against load dump and
field decay transients of ± 60V, polarity reversal and
overheating. A foldback current limiter protects
against load short circuits. Available in 5V, 8.5V,
9.2V,10V and 12V versions (all± 4%, TI = 25°C) the-
se regulators are designed for automotive, industrial
and consumer applications where low consumption
is particularly important.
SO T-82
T O - 22 0
In automotive applications the L4805 is ideal for 5V
logic supplies becauseit can operateeven when the
batteryvoltage falls below 6V. In battery backup and
standby applications the low consumption of these
devices extends battery life.
BLOCK DIAGRAM
March 1992
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L4808-L4810-L4812 pdf, 반도체, 판매, 대치품
L4805-L4808-L4885-L4892-L4810-L4812
Figure 1: Dropout Voltage vs. Output Current
Figure 2: Quiescent Current vs. Output Current
Figure 3: Output Voltage vs. Temperature
Figure 4: Foldback Current Limiting(L4805)
Figure 5: Preregulator for Distributed Supplies
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L4808-L4810-L4812 전자부품, 판매, 대치품
L4805-L4808-L4885-L4892-L4810-L4812
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics 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 SGS-THOMSON Microelectronics. Specifica-
tions mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information pre-
viously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of SGS-THOMSON Microelectronics.
© 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore -
Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
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L4808-L4810-L4812

VERY LOWDROP VOLTAGE REGULATORS

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