lt3014bes5-trpbf Linear Technology Corporation, lt3014bes5-trpbf Datasheet - Page 12
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lt3014bes5-trpbf
Manufacturer Part Number
lt3014bes5-trpbf
Description
20ma, 3v To 80v Low Dropout Micropower Linear Regulator
Manufacturer
Linear Technology Corporation
Datasheet
1.LT3014BES5-TRPBF.pdf
(16 pages)
LT3014
TYPICAL APPLICATIO S
12
OPERATING
LOW
CURRENT
TO 60V
5.5V*
V
HIGH
IN
C3
4.7µF
100V
CERAMIC
U
5V Buck Converter with Low Current Keep Alive Backup
15
14
4
100
90
70
60
50
80
V
SHDN
SYNC
IN
SHDN
GND
0
IN
V
L = 68µH
1, 8, 9, 16
OUT
LT1766
BOOST
LT3014
GND
Efficiency vs Load Current
= 5V
0.25
6
BIAS
V
OUT
ADJ
Buck Converter
SW
LOAD CURRENT (A)
C
FB
11
0.50
C
1nF
2
10
12
C
V
V
IN
IN
3.92M
1.27M
0.75
= 10V
= 42V
D1
10MQ060N
C2
0.33µF
*
†
1.00
FOR INPUT VOLTAGES BELOW 7.5V,
SOME RESTRICTIONS MAY APPLY
INCREASE L1 TO 30µH FOR LOAD
CURRENTS ABOVE 0.6A AND TO
60µH ABOVE 1A
15µH
L1
3014 TA04
†
D1N914
R1
15.4k
R2
4.99k
1.25
D2
+
C1
100µF 10V
SOLID
TANTALUM
3014 TA03
V
5V
1A/20mA
OUT
3014fb