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L4940XX Datasheet(PDF) 9 Page - STMicroelectronics

Part # L4940XX
Description  Very low drop 1.5 A regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4940XX Datasheet(HTML) 9 Page - STMicroelectronics

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L4940xx
Electrical characteristics
9/23
Table 6.
Electrical characteristics of L4940xx10 (Refer to test circuit, VI = 12V, 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
9.8
10
10.2
V
VO
Output voltage
IO = 5 mA to 1.5 A, VI = 11.7 to 15 V
9.6
10
10.4
V
VI
Input voltage
IO = 5 mA
17
V
ΔVO
Line regulation
VI = 11 to 17 V, IO = 5 mA
3
8
mV
ΔVO
Load regulation
IO = 5 mA to 1.5 A
15
35
mV
IO = 0.5 A to 1 A
10
20
mV
Iq
Quiescent current
IO = 5 mA
5
8
mA
IO = 1.5 A, VI = 11.7 V
30
50
mA
ΔIq
Quiescent current change
IO = 5 mA
2
mA
IO = 1.5 A, VI = 11.7 to 16 V
13
mA
ΔVO/ΔT Output voltage drift
1
mV/°C
SVR
Supply voltage rejection
f = 120 Hz, IO = 1 A
56
62
dB
Vd
Dropout voltage
IO = 0.5 A
200
400
mV
IO = 1.5 A
500
900
mV
Isc
Short circuit current
VI = 14 V
2
2.7
A
VI = 11.7 V
2.2
2.9


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