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PDF L78M10CV Data sheet ( Hoja de datos )

Número de pieza L78M10CV
Descripción POSITIVE VOLTAGE REGULATORS
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! L78M10CV Hoja de datos, Descripción, Manual

L78M00
® SERIES
POSITIVE VOLTAGE REGULATORS
s OUTPUT CURRENT TO 0.5A
s OUTPUT VOLTAGES OF 5; 6; 8; 9; 10; 12; 15;
18; 20; 24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSISTOR SOA PROTECTION
DESCRIPTION
The L78M00 series of three-terminal positive
regulators is available in TO-220, ISOWATT220,
SOT-82, SOT-194 and DPAK packages and with
several fixed output voltages, making it useful in
a wide range of applications. These regulators
can provide local on-card regulation, eliminating
the distribution problems associated with single
point regulation. Each type employs internal
current limiting, thermal shut-down and safe area
protection, making it essentially indestructible. If
adequate heat sinking is provided, they can
deliver over 0.5A output current. Although
designed primarily as fixed voltage regulators,
these devices can be used with external
components to obtain adjustable voltages and
currents.
BLOCK DIAGRAM
SOT-82
SOT-194
DPAK
TO-220
ISOWATT220
September 1998
1/19

1 page




L78M10CV pdf
L78M00
ELECTRICAL CHARACTERISTICS FOR L78M05C (refer to the test circuits, Tj = 25 oC,
Vi = 10V, Io = 350 mA, Ci = 0.33 µF, Co = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
4.8 5 5.2
Vo Output Voltage
Vo Line Regulation
Vo Load Regulation
Io = 5 mA to 350 mA
Vi = 7 to 20 V
Io = 200 mA Vi = 7 to 25 V
Io = 200 mA Vi = 8 to 25 V
Io = 5 to 500 mA Tj = 25 oC
Io = 5 to 200 mA Tj = 25 oC
4.75 5 5.25
100
50
100
50
Id Quiescent Current
6
Id Quiescent Current Change Io = 5 to 350 mA
0.5
Id Quiescent Current Change
Vo Output Voltage Drift
T
Io = 200 mA Vi = 8 to 25 V
Io = 5 mA Tj = 0 to 125 oC
0.8
-0.5
eN Output Noise Voltage
B = 10Hz to 100KHz
40
SVR Supply Voltage Rejection
Vd Dropout Voltage
Io = 300 mA f = 120 Hz
Vi = 8 to 18 V
62
2
Isc Short Circuit Current
Vi = 35 V
300
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
mV/oC
µV
dB
V
mA
ELECTRICAL CHARACTERISTICS FOR L78M06C (refer to the test circuits, Tj = 25 oC,
Vi = 11V, Io = 350 mA, Ci = 0.33 µF, Co = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
5.75 6 6.25
Vo Output Voltage
Vo Line Regulation
Vo Load Regulation
Io = 5 mA to 350 mA
Vi = 8 to 21 V
Io = 200 mA Vi = 8 to 25 V
Io = 200 mA Vi = 9 to 25 V
Io = 5 to 500 mA Tj = 25 oC
Io = 5 to 200 mA Tj = 25 oC
5.7 6 6.3
100
50
120
60
Id Quiescent Current
6
Id Quiescent Current Change Io = 5 to 350 mA
0.5
Id Quiescent Current Change
Vo Output Voltage Drift
T
Io = 200 mA Vi = 9 to 25 V
Io = 5 mA Tj = 0 to 125 oC
0.8
-0.5
eN Output Noise Voltage
B = 10Hz to 100KHz
45
SVR Supply Voltage Rejection
Vd Dropout Voltage
Io = 300 mA f = 120 Hz
Vi = 9 to 19 V
59
2
Isc Short Circuit Current
Vi = 35 V
270
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
mV/oC
µV
dB
V
mA
5/19

5 Page





L78M10CV arduino
Figure 10 : Load Transient Response.
L78M00
Figure 11 : Line Transient Response.
Figure 12 : Quiescent Current vs. Input Voltage. Figure 13 : Fixed Output Regulator.
NOTE:
1. To specify an output voltage, substitute voltage value for ”XX”.
2. Although no output capacitor is need for stability, it does
improve transient response.
3. Required if cregulator is locate an appreciable distance from
power supply filter.
IO
=
V XX
R1
+
I
d
IR1 5 Id
VO
=
V
XX
(1
+
R
R
2)
1
+
I
d
R
2
11/19

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