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PDF LR1117 Data sheet ( Hoja de datos )
| Número de pieza | LR1117 | |
| Descripción | LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS | |
| Fabricantes | LRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LR1117 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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LRC
LESHAN RADIO COMPANY,LTD.
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
DESCRIPTION
The LRC LR1117/A is a LOW DROP Voltage Regulator
able to provide up to 0.8/1.0A of Output Current, available
even in adjustable version (Vref=1.25V). Concerning fixed
versions, are offered the following Output Voltages: 1.5V,
1.8V, 2.5V, 2.85V, 3.0V, 3.3V, 3.6V and 5.0V. The 2.85V type
is ideal for SCSI-2 lines active termination. High efficiency
is assured by NPN pass transistor. In fact in the case, unlike
than PNP one, the Quiescent Current flows mostly into the
for stability. On chip trimming allows the regulator to reach a
very tight output voltage tolerance, within ±1% at 25°C. The
ADJUSTABLE LR1117/A is pin to pin compatible with the
other standard Adjustable voltage regulators maintaining the
better performances in terms of Drop and Tolerance.
FEATURES
*Low dropout voltage (1V Typ.)
*2.85V device performances are suitable for SCSI-2 active
termination
*Output current up to 0.8/1.0A
www.DataSheet4U.com
*Fixed output voltage of: 1.5V, 1.8V, 2.5V, 2,85V, 3.0V, 3.3V,
*3.6V, 5.0V
*Adjustable version availability (Vref=1.25V)
*Internal current and thermal limit
*Available in ±1%(at 25°C) and 2% in all temperature range
*Supply voltage rejection: 75dB (TYP)
*Temperature range: 0°C to 125°C
1
23
2
1
3
TO-252
TO-220
3 21
SOT-223
1: GND 2: Output 3: Input
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
DC Input Voltage
VIN
Power Dissipation
Ptot
Storage temperature
Tstg
Operating Junction Temperature
Top
Thermal Resistance Junction
ambien
Rthj-amb
VALUE
15
12
-65 ~ +150
0 ~ +125
50
UNIT
V
W
qC
qC
°C/W
Note: Absolute Maximum Ratings are those value beyond which damage to the device may occur. Functional
operation under there condition is not implied. Over the above suggested Max Power Dissipation a Short Circuit
could definitively damage the device.
1/10
1 page  
LRC
LESHAN RADIO COMPANY,LTD.
LR1117/A-3.6 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Output Voltage
Vo Vin=5.6V, Io=10mA, Tj=25qC
Output Voltage
Vo Io=0 to 800/1000mA,
Vin=5 to 10V
Line Regulation
'Vo Vin=5 to 15V, Io=0mA
Load Regulation
'Vo Vin=5V, Io=0 to 800/1000mA
Temperature stability
'Vo
Long Term Stability
'Vo 1000 hrs, Tj=125qC
Operating Input Voltage
Vin Io=100mA
Quiescent Current
Id Vind15V
Output Current
Io Vin=8.6V, Tj=25qC
Output Noise Voltage
eN B=10Hz to 10KHz, Tj=25qC
Supply Voltage
SVR Io=40mA, f=120Hz, Tj=25qC, Vin=6.6V,
Rejection
Vripple=1Vpp
Dropout Voltage
Vd Io=100mA
Io=500mA
Io=800mA
Io=1000mA
Thermal Regulation
Ta=25qC, 30ms Pulse
MIN.
3.564
3.528
800
60
TYP.
3.600
3.600
1
1
0.5
0.3
5
950
100
75
1.00
1.05
1.10
1.15
0.01
MAX.
3.636
3.672
6
10
15
10
1200
1.10
1.15
1.20
1.25
0.10
UNIT
V
V
mV
mV
%
%
V
mA
mA
PV
DB
V
V
V
V
%/W
LR1117/A-5.0 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Output Voltage
Vo Vin=7V, Io=10mA, Tj=25qC
f1%
f%
Output Voltage
Vo Io=0 to 800/1000mA,
Vin=6.5 to 15V
f%
f%
Line Regulation
'Vo Vin=6.5 to 15V, Io=0mA
Load Regulation
'Vo Vin=6.5V, Io=0 to 800/1000mA
Temperature stability
'Vo
Long Term Stability
'Vo 1000 hrs, Tj=125qC
Operating Input Voltage
Vin Io=100mA
Quiescent Current
Id Vind15V
Output Current
Io Vin=10V, Tj=25qC
Output Noise Voltage
eN B=10Hz to 10KHz, Tj=25qC
Supply Voltage
SVR Io=40mA, f=120Hz, Tj=25qC, Vin=8V,
Rejection
Vripple=1Vpp
Dropout Voltage
Vd Io=100mA
Io=500mA
Io=800mA
Io=1000mA
Thermal Regulation
Ta=25qC, 30ms Pulse
MIN.
4.95
4.90
4.90
4.80
800
60
TYP.
5.00
5.00
1
1
0.5
0.3
5
950
100
75
1.00
1.05
1.10
1.15
0.01
MAX.
5.05
5.10
5.10
5.20
10
15
15
10
1200
1.10
1.15
1.20
1.25
0.10
UNIT
V
V
V
V
mV
mV
%
%
V
mA
mA
PV
dB
V
V
V
V
%/W
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LR1117.PDF ] | |
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