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L4940D2T5-TR Datasheet(PDF) 8 Page - STMicroelectronics

Part # L4940D2T5-TR
Description  Very low drop 1.5 A regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4940D2T5-TR Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L4940xx
8/23
Table 5.
Electrical characteristics of L4940xx85 (Refer to test circuit, VI = 10.5 V, CI = 0.1 µF,
CO = 22 µF, TJ = 25°C, unless otherwise specified.)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
IO = 500 mA
8.3
8.5
8.7
V
VO
Output voltage
IO = 5mA to 1.5A, VI = 10.2 to 15V
8.15
8.5
8.85
V
VI
Input voltage
IO = 5 mA
17
V
ΔVO
Line regulation
VI = 9.5 to 17V, IO = 5 mA
4
9
mV
ΔVO
Load regulation
IO = 5mA to 1.5A
12
30
mV
IO = 0.5A to 1A
8
16
mV
Iq
Quiescent current
IO = 5 mA
4
8
mA
IO = 1.5A, VI = 10.2V
30
50
mA
ΔIq
Quiescent current change
IO = 5 mA
2.5
mA
IO = 1.5A, VI = 10.2 to 16V
15
mA
ΔVO/ΔT Output voltage drift
0.8
mV/°C
SVR
Supply voltage rejection
f = 120Hz, IO = 1A
58
66
dB
Vd
Dropout voltage
IO = 0.5A
200
400
mV
IO = 1.5A
500
900
mV
Isc
Short circuit current
VI = 14V
2
2.7
A
VI = 10.2V
2.2
2.9


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