lt3460esc6-trpbf Linear Technology Corporation, lt3460esc6-trpbf Datasheet - Page 7

• Manufacturer Part Number: lt3460esc6-trpbf
• Description: 1.3 Mhz/650khz Step-up Dc/dc Converter In Sc70 And Thinsot
• Manufacturer: Linear Technology Corporation

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.
TYPICAL APPLICATIONS
V
V
C1: TAIYO YUDEN X5R JMK212BJ475
C2: TAIYO YUDEN X5R EMK212BJ105
D1: CENTRAL SEMICONDUCTOR CMDSH2-3
L1: MURATA LQH32CN-220 OR EQUIVALENT
5V
IN
OUT
SHDN
GND
C1
4.7μF
+
D1
4
5V to 12V Step-Up Converter
SHDN
C2
V
IN
R2
5
LT3460
(SOT-23 PACKAGE)
GND
22μH
L1
2
R1
L1
SW
FB
1
D1
3
C
C1
F
130k
15k
22pF
V
SHUTDOWN
3460 F05a
IN
C2
1μF
3460 TA01
V
12V
70mA
OUT
Figure 5
V
OUT
V
OUT
GND
C
90
85
80
75
70
65
60
+
O
(6-LEAD 2mm × 2mm DFN PACKAGE)
0
D1
D1
R1
C
C2
F
R2
R2
20
(SC70 PACKAGE)
LOAD CURRENT (mA)
L1
R1
L1
LT3460/LT3460-1
2
1
3
Effi ciency
40
7
C
C1
F
60
6
5
4
3460 TA01a
C
80
IN
V
SHUTDOWN
3460 F05b
IN
3460 F05c
SHDN
GND
V
IN
3460fb
7