LT3081
25
3081fc
For more information www.linear.com/LT3081
Typical applicaTions
Boosting Fixed Output Regulators
Reference Buffer
Adding Soft-Start
8.2Ω*
3.3V
OUT
3A
47µF
*4mV DROP ENSURES LT3081 IS OFF WITH NO LOAD
MULTIPLE LT3081s CAN BE USED
IN
SET TEMP
I
MON
I
LIM
20mΩ
5V
OUT
+
LT3081
I
SET
50µA
3081 TA08
6.2k
10µF
LT1963-3.3
47µF
20mΩ
1k 1k*1k
LT1019
V
OUT
*MIN LOAD 5mA
IN
SET TEMP
I
MON
I
LIM
OUT
+
LT3081
I
SET
50µA
3081 TA09
F
OUTPUT
GND
47µF
INPUT
V
IN
1k1k
V
OUT
3.3V
1.5A
IN
SET TEMP
I
MON
I
LIM
OUT
+
LT3081
I
SET
50µA
3081 TA10
0.1µF
10µF
IN4148
V
IN
4.8V TO 38V
66.5k
10µF
LT3081
26
3081fc
For more information www.linear.com/LT3081
Typical applicaTions
Using a Lower Value Set Resistor
Using an External Reference Current
20k
IN
SET
1k
TEMP
I
MON
I
LIM
OUT
+
LT3081
I
SET
50µA
F
3081 TA12
1k
IN
SET OUT
+
LT3092
10µA
1mA
V
IN
V
OUT
0V TO 20V
20k 215Ω
F
R
SET
2k
V
OUT
= 0.2V + 5mA • R
SET
IN
SET
1k
TEMP
I
MON
I
LIM
OUT
+
LT3081
I
SET
50µA
4.7µF
3081 TA11
1k 4.02k 40.2Ω
V
IN
12V
V
OUT
0.2V TO 10V
4.7µF
LT3081
27
3081fc
For more information www.linear.com/LT3081
package DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
4.00 ±0.10
(4 SIDES)
NOTE:
1. PACKAGE OUTLINE DOES NOT CONFORM TO JEDEC MO-229
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40 ±0.10
16
127
BOTTOM VIEW—EXPOSED PAD
2.65 ±0.10
0.75 ±0.05
R = 0.115
TYP
0.25 ±0.05
0.50 BSC
2.50 REF
3.38 ±0.10
0.200 REF
0.00 – 0.05
(DF12) DFN 1112 REV A
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70 ±0.05
0.25 ±0.05
0.50 BSC
3.10 ±0.05
4.50 ±0.05
PACKAGE OUTLINE
PIN 1 NOTCH
R = 0.20 TYP OR
0.35 × 45°
CHAMFER
2.65 ±0.05
3.38 ±0.05
2.50 REF
DF Package
12-Lead Plastic DFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1733 Rev A)

LT3081IR#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
LDO Voltage Regulators 1.5A Single Resistor Programmable Rugged Linear Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union