LT1930AES5 LINER [Linear Technology], LT1930AES5 Datasheet - Page 10

• Manufacturer Part Number: LT1930AES5
• Description: 1A, 1.2MHz/2.2MHz, Step-Up DC/DC Converters
• Manufacturer: LINER [Linear Technology]

LT1930/LT1930A
C1: X5R OR X7R, 6.3V
C2,C3, C5: X5R OR X7R, 10V
C4: X5R OR X7R, 25V
D1- D4: BAT54S OR EQUIVALENT
D5: MBR0520 OR EQUIVALENT
L1: PANASONIC ELT5KT4R7M
C1: X5R OR X7R, 6.3V
C2-C4, C7, C8: X5R OR X7R, 10V
C5: X5R OR X7R, 16V
C6: X5R OR X7R, 25V
D1- D6: BAT54S OR EQUIVALENT
D7: MBR0520 OR EQUIVALENT
L1: PANASONIC ELT5KT4R7M
10
TYPICAL APPLICATIO S
9V, 18V, –9V Triple Output TFT-LCD Bias Supply with Soft-Start
0V
0V
8V, 23V, –8V Triple Output TFT-LCD Bias Supply with Soft-Start
3.3V
3.3V
2.2 F
2.2 F
V
3.3V
V
3.3V
V
V
IN
IN
SS
SS
C1
C1
+
+
1N4148
1N4148
R
30k
D
R
30k
D
SS
SS
SS
SS
4
4
C
68nF
C
68nF
SHDN
SHDN
SS
SS
V
V
IN
IN
5
5
LT1930
LT1930
4.7 H
4.7 H
GND
GND
L1
L1
2
2
0.1 F
U
C3
D1
SW
D1
SW
FB
FB
1
1
3
3
D2
D2
0.1 F
C3
0.1 F
C4
D5
D7
C2
0.1 F
C2
0.1 F
D4
D3
D5
D6
0.1 F
R1
124k
R2
20k
R1
113k
R2
21k
C5
D3
C6
1 F
C8
1 F
18V
10mA
9V
200mA
D4
C4
1 F
C5
10 F
–9V
10mA
C7
10 F
8V
220mA
–8V
10mA
1 F
C6
1930/A TA11a
1930/A TA12a
23V
10mA
–9V OUTPUT
18V OUTPUT
–8V OUTPUT
23V OUTPUT
I
9V OUTPUT
I
8V OUTPUT
L1
L1
0.5A/DIV
0.5A/DIV
10V/DIV
10V/DIV
5V/DIV
5V/DIV
5V/DIV
5V/DIV
Start-Up Waveforms
Start-Up Waveforms
2ms/DIV
2ms/DIV