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PDF L6932D25 Data sheet ( Hoja de datos )
| Número de pieza | L6932D25 | |
| Descripción | HIGH PERFORMANCE 2A ULDO LINEAR REGULATOR | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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L6932
HIGH PERFORMANCE 2A ULDO LINEAR REGULATOR
s 2V TO 14V INPUT VOLTAGE RANGE
s 200mΩ Rdson MAX.
s 200µA QUIESCENT CURRENT AT ANY LOAD
s EXCELLENT LOAD AND LINE REGULATION
s 1.8V AND 2.5V FIXED VOLTAGE
s ADJUSTABLE FROM 1.2V TO 5V (L6932D1.2)
s 1% VOLTAGE REGULATION ACCURACY
s SHORT CIRCUIT PROTECTION
s THERMAL SHUT DOWN
s SO-8 (4+4) PACKAGE
SO-8 (4+4)
ORDERING NUMBERS:
L6932D1.2 (SO-8) L6932D1.2TR (T&R)
L6932D1.8 (SO-8) L6932D1.8TR (T&R)
L6932D2.5 (SO-8) L6932D2.5TR (T&R)
APPLICATIONS
s MOTHERBOARDS
s MOBILE PC
s HAND-HELD INSTRUMENTS
s PCMCIA CARDS
s PROCESSORS I/O
s CHIPSET AND RAM SUPPLY
DESCRIPTION
The L6932 Ultra Low Drop Output linear regulator op-
erates from 2V to 14V and is able to support 2A. De-
signed with an internal 50mΩ N-channel
Mosfet, can be usefull for the DC-DC conversion be-
tween 2.5V and 1.8V at 2A in portable applications
reducing the power dissipation.
L6932 is available in 1.8V, 2.5V and adj version from
1.2V and ensure a voltage regulation accuracy of
1%.
The current limit is fixed at 2.5A to control the current
in short circuit condition within ±8%. The current is
sensed in the power mos in order to limit the power
dissipation.
The device is also provided of a thermal shut down
that limits the internal temperature at 150°C with an
histeresys of 20°C. L6932 provides the Enable and
the Power good functions.
TYPICAL OPERATING CIRCUIT
VIN
2V to 14V
IN
2
OUT
3
L6932D
PGOOD
4
C1
5,6,7,8
1
GND
EN
VOUT
1.8V or 2.5V
C2
February 2003
VIN
2V to 14V
IN
2
OUT
4
L6932D1.2
ADJ
3
C1
5,6,7,8
1
GND
EN
R1
R2
VOUT
1.2V to 5V
C2
1/10
1 page  
APPLICATION INFORMATIONS
APPLICATION CIRCUIT
In figure 6 the schematic circuit of the demoboards are shown.
Figure 6. Demoboards Schematic Circuit
VIN
C1
IN
2
OUT
3
VOUT=2.5V/1.8V
L6932D2.5
EN L6932D1.8
1
5 67
GND
PGOOD
4
8
C2
L6932
VIN
C1
IN
2
OUT
4
VOUT=1.2V TO 5V
EN
1
L6932D1.2
5 67
GND
ADJ
3
8
R1
R2
C2
VOUT
=
1----.--2-
R2
⋅
(
R
1
+
R
2
)
COMPONENT LIST
Fixed version
Reference
C1
C2
Part Number
C34Y5U1E106Z
C34Y5U1E106Z
Figure 7. Demoboard Layout (Fixed Version)
Description
10uF, 25V
10uF, 25V
Manufacturer
TOKIN
TOKIN
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet L6932D25.PDF ] | |
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