LT3460 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3460 Datasheet PDF : 12 Pages
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OPERATION
Layout Hints
The high speed operation of the LT3460/LT3460-1 demands
careful attention to board layout. You will not get adver-
tised performance with careless layout. Figure 5 shows
the recommended component placement.
L1
D1
C1
VOUT
+
C2
R2
GND
R1
CF
(SOT-23 PACKAGE)
VIN
SHUTDOWN
3460 F05a
LT3460/LT3460-1
L1
D1
C1
VOUT
+
C2
R2
GND
R1
CF
(SC70 PACKAGE)
VIN
SHUTDOWN
3460 F05b
VOUT
CF
R1
R2 1
6
2
7
5
CO D1
3
4
L1
SHDN
GND
CIN
VIN
Figure 5
(6-LEAD 2mm × 2mm DFN PACKAGE)
3460 F05c
TYPICAL APPLICATIONS
5V to 12V Step-Up Converter
L1
22μH
D1
VIN
5V
5
1
C1
4.7μF
VIN
SW
130k
LT3460
SHDN 4 SHDN
3
FB
GND
15k
2
C1: TAIYO YUDEN X5R JMK212BJ475
C2: TAIYO YUDEN X5R EMK212BJ105
D1: CENTRAL SEMICONDUCTOR CMDSH2-3
L1: MURATA LQH32CN-220 OR EQUIVALENT
22pF
VOUT
12V
70mA
C2
1μF
3460 TA01
Efficiency
90
85
80
75
70
65
60
0
20
40
60
LOAD CURRENT (mA)
80
3460 TA01a
3460fb
7
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