LT1460 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1460 Datasheet PDF : 26 Pages
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LT1460
Typical Applications
Handling Higher Load Currents
+
47µF
V+
40mA
IN
LT1460
OUT
GND
10mA
R1*
VOUT
RL
TYPICAL LOAD
CURRENT = 50mA
*SELECT R1 TO DELIVER 80% OF TYPICAL LOAD CURRENT.
LT1460 WILL THEN SOURCE AS NECESSARY TO MAINTAIN
PROPER OUTPUT. DO NOT REMOVE LOAD AS OUTPUT WILL
BE DRIVEN UNREGULATED HIGH. LINE REGULATION IS
DEGRADED IN THIS APPLICATION
R1 =
V+ – VOUT
40mA
1460 TA03
Boosted Output Current with No Current Limit
V+ ≥ (VOUT + 1.8V)
R1
220Ω
+
47µF
2N2905
IN
LT1460
OUT
GND
VOUT
+ 2µF 100mA
SOLID
TANT
1460 TA04
Boosted Output Current with Current Limit
V+ ≥ VOUT + 2.8V
D1* R1
LED 220Ω
+
8.2Ω
47µF
2N2905
IN
LT1460
OUT
GND
+
VOUT
100mA
2µF
SOLID
TANT
* GLOWS IN CURRENT LIMIT,
DO NOT OMIT
1460 TA05
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COMMENTS
0.05% Max, 5ppm/°C Max
0.02%, 2ppm/°C Max
0.05% Max, 5ppm/°C Max, SO Package
0.04% Max, 3ppm/°C Max, 50mA Output Current
0.05%, 25ppm/°C Max
0.05% Max, 10ppm/°C Max, 60µA Supply, SOT23 Package
0.15% Max, 40ppm/°C, 6.5µA Max Supply Current
0.05% Accuracy, 5ppm/°C Drift, 2.1ppm (0.1Hz to 10Hz) Noise
0.075% Max, 10ppm/°C Max, 20mA Output, 2mm × 2mm DFN Package
26 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
1460fc
LT 0310 REV C • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2006
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