Datasheet

LT1460
26
1460fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2006
LT 0310 REV C • PRINTED IN USA
typical applications
Handling Higher Load Currents
Boosted Output Current with No Current Limit Boosted Output Current with Current Limit
PART NUMBER DESCRIPTION COMMENTS
LT1019 Precision Bandgap Reference 0.05% Max, 5ppm/°C Max
LT1027 Precision 5V Reference 0.02%, 2ppm/°C Max
LT1236 Precision Low Noise Reference 0.05% Max, 5ppm/°C Max, SO Package
LT1461 Micropower Precision Low Dropout 0.04% Max, 3ppm/°C Max, 50mA Output Current
LT1634 Micropower Precision Shunt Reference 1.25V, 2.5V Output 0.05%, 25ppm/°C Max
LT1790 Micropower Precision Series References 0.05% Max, 10ppm/°C Max, 60µA Supply, SOT23 Package
LTC
®
1798 Micropower Low Dropout Reference, Fixed or Adjustable 0.15% Max, 40ppm/°C, 6.5µA Max Supply Current
LTC6652 Low Drift Low Noise Buffered Reference 0.05% Accuracy, 5ppm/°C Drift, 2.1ppm (0.1Hz to 10Hz) Noise
LT6660 Tiny Micropower Precision Series References
0.075% Max, 10ppm/°C Max, 20mA Output, 2mm × 2mm DFN Package
1460 TA03
R
L
40mA
V
+
R1*
V
OUT
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
*
10mA
47µF
+
LT1460
OUT
GND
IN
R1 =
V
+
– V
OUT
40mA
V
+
≥ (V
OUT
+ 1.8V)
LT1460
OUT
GND
IN
1460 TA04
2N2905
V
OUT
100mA
47µF
2µF
SOLID
TANT
R1
220Ω
+
+
1460 TA05
2N2905
V
OUT
100mA
2µF
SOLID
TANT
D1*
LED
V
+
≥ V
OUT
+ 2.8V
8.2Ω
R1
220Ω
GLOWS IN CURRENT LIMIT,
DO NOT OMIT
*
47µF
+
+
LT1460
OUT
GND
IN
relateD parts