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L4810 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - VERY LOWDROP VOLTAGE REGULATORS - STMicroelectronics

भाग संख्या L4810
समारोह VERY LOWDROP VOLTAGE REGULATORS
मैन्युफैक्चरर्स STMicroelectronics 
लोगो STMicroelectronics लोगो 
पूर्व दर्शन
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<?=L4810?> डेटा पत्रक पीडीएफ

L4810 pdf
L4805-L4808-L4885-L4892-L4810-L4812
ABSOLUTE MAXIMUM RATINGS
Symbol
VI
Tj, Tstg
Parameter
DC Input Voltage
DC Input Reverse Voltage
Transient Input Overvoltages :
Load Dump :
5ms < Trise < 10ms,
τf Fall Time Constant = 100ms,
Rsource < 0.5
Field Decay :
5ms < tfall < 10ms, Rsource < 10
τr Rise Time Constant = 33ms
Junction and Storage Temperature Range
Value
+ 35
- 18
60
Unit
V
V
V
- 60
- 55 to + 150
V
°C
THERMAL DATA
Symbol
Rth j-case
Rth j-amb
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
PIN CONNECTION (top view)
Max.
Max.
SOT82
8
100
TO220
4
75
Unit
°C/W
°C/W
Order Codes
TO-220
SOT-82
L4805CV
L4808CV
L4885CV
L4892CV
L4810CV
L4812CV
L4805CX
L4808CX
L4885CX
L4892CX
L4810CX
L4812CX
Output Voltage
5V
8V
8.5 V
9.2 V
10 V
12 V
TEST AND APPLICATION CIRCUIT
The output capacitor is required for stability. Though
the 100 µF shown is the minimum recommended
value, actual size and type may vary depending
upon the application load and temperature range.
Capacitor effectiveseries resistance (ESR) also fac-
tors in the IC stability. Since ESR varies from one
brand to the next,some bench work may be required
to determine the minimum capacitor value to use in
production. Worst-case is usually determined at the
minimum ambient temperature and maximum load
expected.
Output capacitors can be increased in size to any
desired value above the minimum. One possible
purpose of this would be to maintain the output vol-
tages during brief conditions of negative input tran-
sients that might be characteristics of a particular
system.
Capacitors must also be rated at all ambient tempe-
rature expected in the system. Many aluminum type
electrolytics will freeze at temperatures less than –
30 °C, reducing their effective capacitance to zero.
To maintain regulator stability down to – 40 °C, ca-
pacitors rated at that temperature (such as tan-
talums) must be used.
2/7

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
L4810VERY LOWDROP VOLTAGE REGULATORSSTMicroelectronics
STMicroelectronics
L4812VERY LOWDROP VOLTAGE REGULATORSSTMicroelectronics
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