lt3467aes67 Linear Technology Corporation, lt3467aes67 Datasheet - Page 13

• Manufacturer Part Number: lt3467aes67
• Description: 1.1a Step-up Dc/dc Converter With Integrated Soft-start
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO S
0V
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
0V
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
V
V
SHDN
3.3V
3.3V
SHDN
V
V
3.3V
IN
IN
3.3V
0.1μF
C1
2.2μF
0.1μF
C1
2.2μF
C7
C9
SHDN
SS
SHDN
SS
V
V
IN
IN
LT3467
LT3467
4.7μH
4.7μH
GND
GND
L1
L1
0.1μF
U
9V, 18V, –9V Triple Output TFT-LCD Bias Supply with Soft-Start
8V, 23V, –8V Triple Output TFT-LCD Bias Supply with Soft-Start
C3
D1
SW
D1
SW
FB
FB
D2
D2
0.1μF
C3
0.1μF
D5
C4
C2
0.1μF
D7
C2
0.1μF
D4
D3
D5
D6
0.1μF
R1
124k
R2
20k
R1
113k
R2
21k
C5
D3
C6
1μF
C8
1μF
18V
10mA
9V
220mA
C4
1μF
C5
10μF
D4
–9V
10mA
C7
10μF
–8V
10mA
8V
270mA
1μF
C6
3467 TA07a
3467 TA08a
23V
10mA
–9V OUTPUT
18V OUTPUT
9V OUTPUT
I
L1
–8V OUTPUT
23V OUTPUT
I
0.5A/DIV
8V OUTPUT
10V/DIV
L1
5V/DIV
5V/DIV
0.5A/DIV
10V/DIV
5V/DIV
5V/DIV
Start-Up Waveforms
Start-Up Waveforms
LT3467/LT3467A
2ms/DIV
2ms/DIV
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