LT3467 LINER [Linear Technology], LT3467 Datasheet - Page 13

• Manufacturer Part Number: LT3467
• Description: 1.1A Step-Up DC/DC Converter with Integrated Soft-Start
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
0V
0V
V
SHDN
3.3V
V
V
C1: X5R OR X7R, 6.3V
C2,C3, C5, C6: X5R OR X7R, 10V
C4: X5R OR X7R, 25V
D1 TO D4: PHILIPS BAT54S OR EQUIVALENT
D5: PHILIPS PMEG 2005
L1: PANASONIC ELT5KT4R7M
IN
3.3V
SHDN
3.3V
V
3.3V
IN
C1: X5R OR X7R, 6.3V
C2 TO C4, C7, C8: X5R OR X7R, 10V
C5: X5R OR X7R, 16V
C6: X5R OR X7R, 25V
D1 TO D6: PHILIPS BAT54S OR EQUIVALENT
D7: PHILIPS PMEG 2005
L1: PANASONIC ELT5KT4R7M
C1
2.2μF
0.1μF
C1
2.2μF
0.1μF
C7
C9
SHDN
SS
V
IN
SHDN
SS
V
IN
LT3467
4.7μH
GND
L1
LT3467
4.7μH
GND
L1
SW
FB
9V, 18V, –9V Triple Output TFT-LCD Bias Supply with Soft-Start
8V, 23V, –8V Triple Output TFT-LCD Bias Supply with Soft-Start
SW
D1
FB
D1
D2
C2
0.1μF
C3
0.1μF
D2
D7
C2
0.1μF
C3
0.1μF
D5
D4
D3
D5
D6
R1
124k
R2
20k
C6
1μF
C4
1μF
3467 TA07a
R1
113k
R2
21k
C8
1μF
C4
0.1μF
–9V
10mA
18V
10mA
D3
9V
220mA
C5
10μF
–8V
10mA
C7
10μF
8V
270mA
3467 TA06a
D4
C5
0.1μF
23V
10mA
C6
1μF
–9V OUTPUT
18V OUTPUT
–8V OUTPUT
23V OUTPUT
9V OUTPUT
8V OUTPUT
0.5A/DIV
0.5A/DIV
10V/DIV
10V/DIV
5V/DIV
5V/DIV
5V/DIV
5V/DIV
I
I
L1
L1
LT3467/LT3467A
Start-Up Waveforms
Start-Up Waveforms
2ms/DIV
2ms/DIV
13
3467 TA06b
3467 TA07b
3467afd