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PDF L78M15AB Data sheet ( Hoja de datos )

Número de pieza L78M15AB
Descripción Precision 500 mA regulators
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! L78M15AB Hoja de datos, Descripción, Manual

Features
Output current to 0.5 A
Output voltages of 5; 6; 8; 9; 10; 12; 15; 24 V
Thermal overload protection
Short circuit protection
Output transition SOA protection
± 2 % output voltage tolerance
Guaranteed in extended temperature range
Description
The L78MxxA series of three-terminal positive
regulators is available in TO-220 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
shutdown and safe area protection, making it
essentially indestructible. If adequate heat sinking
is provided, they can deliver over 0.5 A output
current. Although designed primarily as fixed
voltage regulators, these devices can be used
with external components to obtain adjustable
voltage and currents.
L78MxxAB
L78MxxAC
Precision 500 mA regulators
Datasheet production data
TO-220
DPAK
Table 1. Device summary
L78M05AB
L78M05AC
L78M06AB
L78M08AB
L78M09AB
L78M10AB
Part numbers
L78M12AB
L78M12AC
L78M15AB
L78M24AB
L78M24AC
May 2012
This is information on a product in full production.
Doc ID 2147 Rev 13
1/31
www.st.com
31
http://www.Datasheet4U.com

1 page




L78M15AB pdf
L78MxxAB, L78MxxAC
3 Maxi
mum ratings
Maximum ratings
Table 2. Absolute maximum ratings
Symbol
Parameter
VI
IO
PD
TSTG
TOP
DC input voltage
Output current
for VO = 5 to 18 V
for VO = 20, 24 V
Power dissipation
Storage temperature range
for L78M00AC
Operating junction temperature range
for L78M00AB
Value
35
40
Internally limited
Internally limited
-65 to 150
0 to 125
-40 to 125
Unit
V
mA
mW
°C
°C
Note:
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Table 3. Thermal data
Symbol
Parameter
RthJC
RthJA
Thermal resistance junction-case
Thermal resistance junction-ambient
TO-220
5
50
DPAK
8
100
Unit
°C/W
°C/W
Figure 4. Application circuit
Doc ID 2147 Rev 13
5/31

5 Page





L78M15AB arduino
L78MxxAB, L78MxxAC
Electrical characteristics
Refer to the test circuits, VI = 16 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF,
TJ = -40 to 125 °C (AB), TJ = 0 to 125 °C (AC) unless otherwise specified.
Table 8.
Symbol
Electrical characteristics of L78M10XX
Parameter
Test conditions
Min. Typ. Max. Unit
VO
VO
ΔVO
ΔVO
Id
ΔId
ΔVO/ΔT
SVR
eN
Vd
Isc
Iscp
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Supply voltage rejection
Output noise voltage
Dropout voltage
Short circuit current
Short circuit peak current
TJ = 25°C
IO = 5 to 350 mA, VI = 12.5 to 25 V
VI = 12.5 to 30 V, IO = 200 mA,
TJ = 25°C
VI = 13 to 30 V, IO = 200 mA, TJ = 25°C
IO = 5 to 500 mA, TJ = 25°C
IO = 5 to 200 mA, TJ = 25°C
TJ = 25°C
IO = 5 to 350 mA
IO = 200 mA, VI = 12.5 to 30 V
IO = 5 mA
VI = 13.5 to 24 V, f = 120Hz,
IO = 300mA, TJ = 25°C
B =10Hz to 100kHz, TJ = 25°C
TJ = 25°C
VI = 35 V, TJ = 25°C
TJ = 25°C
9.8
9.6
56
10 10.2
10 10.4
V
V
100
mV
30
200
mV
100
6 mA
0.5
mA
0.8
-0.5 mV/°C
dB
64 µV
2V
245 mA
700 mA
Doc ID 2147 Rev 13
11/31

11 Page







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