L4931CD60 Datasheet PDF - STMicroelectronics
| Part Number | L4931CD60 | |
| Description | Very Low Drop Voltage Regulator | |
| Manufacturers | STMicroelectronics | |
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L4931
® SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
s VERY LOW DROPOUT VOLTAGE (0.4V)
s VERY LOW QUIESCENT CURRENT
(TYP. 50 µA IN OFF MODE, 600µA IN ON
MODE)
s OUTPUT CURRENT UP TO 250 mA
s LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
s OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7;
3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 12V
s INTERNAL CURRENT AND THERMAL LIMIT
s ONLY 2.2µF FOR STABILITY
s AVAILABLE IN ± 1% (AB) OR 2% (C)
SELECTION AT 25 oC
s SUPPLY VOLTAGE REJECTION:
70db TYP. FOR 5V VERSION
s TEMPERATURE RANGE: -40 TO 125 oC
DESCRIPTION
The L4931 series are very Low Drop regulators
available in TO-220, SO-8, DPAK, PPAK and
TO-92 packages and in a wide range of output
voltages.
The very Low Drop voltage (0.4V) and the very
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
TO-220
TO-92
PPAK
3
1
DPAK
SO-8
In PPAK and SO-8 packages a Shutdown Logic
Control function is available TTL compatible. This
means that when the device is used as a local
regulator, it is possible to put a part of the board
in standby, decreasing the total power
consumption. It requires only a 2.2 µF capacitor
for stability allowing space and cost saving.
SCHEMATIC DIAGRAM
April 1999
1/25
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L4931 SERIES
ELECTRICAL CHARACTERISTICS FOR L4931ABxx15 (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
Symbol
P ar am et e r
Test Conditions
Min. Typ . Max.
Vo Output Voltage
Vi
Iout
∆Vo
∆Vo(*)
Operating Input Voltage
Output Current Limit
Line Regulation
Load Regulation
Io = 5 mA, Vi = 3.5 V
1.485 1.5 1.515
Io = 5 mA, Vi = 3.5 V -25<Ta<85 oC 1.47
1.53
Io = 250 mA
2.5 20
300
Vi = 2.5 to 20 V, Io = 0.5 mA
3 15
Vi = 2.7 V
Io = 0.5 to 250 mA
3 15
Id Quiescent Current
SVR Supply Voltage Rejection
ON MODE
Vi = 2.7 to 20 V Io = 0 mA
Vi = 2.7 to 20 V Io = 250 mA
OFF MODE Vi = 6 V
Io = 5 mA Vi = 3.7 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
0.6 1
46
50 100
79
76
55
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
Vd(*)
Vil
Vih
Ii
CO
Dropout Voltage
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Bypass Capacitance
Io = 250 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
Vi = 6 V, Vc = 6 V
ESR = 0.1 to 10 Ω Io = 0 to 250 mA
2
2
1
0.8
10
10
Unit
V
V
V
mA
mV
mV
mA
mA
µA
dB
dB
dB
µV
V
V
V
µA
µF
ELECTRICAL CHARACTERISTICS FOR L4931Cxx15 (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
Symbol
P ar am et e r
Test Conditions
Min. Typ . Max.
Vo Output Voltage
Io = 5 mA, Vi = 3.5 V
1.47 1.5 1.53
Io = 5 mA, Vi = 3.5 V -25<Ta<85 oC 1.44
1.56
Vi Operating Input Voltage
Io = 250 mA
2.5 20
Io ut Output Current Limit
300
∆Vo Line Regulation
Vi = 2.5 to 20 V, Io = 0.5 mA
3 18
∆Vo(*) Load Regulation
Vi = 2.7 V
Io = 0.5 to 250 mA
3 18
Id Quiescent Current
ON MODE
Vi = 2.7 to 20 V Io = 0 mA
Vi = 2.7 to 20 V Io = 250 mA
0.6 1
46
OFF MODE Vi = 6 V
50 100
SVR Supply Voltage Rejection
Io = 5 mA Vi = 3.7 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
79
76
55
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
Vd(*)
Vil
Vih
Ii
CO
Dropout Voltage
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Bypass Capacitance
Io = 250 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
Vi = 6 V, Vc = 6 V
ESR = 0.1 to 10 Ω Io = 0 to 250 mA
2
2
1
0.8
10
10
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20mV
Unit
V
V
V
mA
mV
mV
mA
mA
µA
dB
dB
dB
µV
V
V
V
µA
µF
5/25
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for L4931CD60 electronic component. |
| Information | Total 25 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ L4931CD60.PDF Datasheet ] | |
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