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LT3467AEDDB

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
LT3467/LT3467A
13
3467afe
TYPICAL APPLICATIONS
9V, 18V, –9V Triple Output TFT-LCD Bias Supply with Soft-Start
GND
V
IN
SW
FB
V
IN
3.3V
D5
L1
4.7μH
R1
124k
LT3467
3467 TA06a
C5
10μF
C4
1μF
C1
2.2μF
C2
0.1μF
C6
1μF
R2
20k
9V
220mA
–9V
10mA
18V
10mA
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
SS
V
SHDN
SHDN
3.3V
0V
C7
0.1μF
D1
D4
D3
D2
C3
0.1μF
I
L1
0.5A/DIV
9V OUTPUT
5V/DIV
18V OUTPUT
10V/DIV
–9V OUTPUT
5V/DIV
2ms/DIV
3467 TA06b
Start-Up Waveforms
8V, 23V, –8V Triple Output TFT-LCD Bias Supply with Soft-Start
I
L1
0.5A/DIV
8V OUTPUT
5V/DIV
23V OUTPUT
10V/DIV
–8V OUTPUT
5V/DIV
2ms/DIV
3467 TA07b
Start-Up Waveforms
GND
V
IN
SW
SS FB
V
IN
3.3V
D7
L1
4.7μH
R1
113k
LT3467
3467 TA07a
C7
10μF
C6
1μF
C1
2.2μF
C2
0.1μF
C8
1μF
R2
21k
8V
270mA
–8V
10mA
23V
10mA
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
3.3V
0V
C9
0.1μF
D1
D5
D6
D2
C3
0.1μF
C4
0.1μF
C5
0.1μF
D3 D4
SHDN
V
SHDN
LT3467/LT3467A
14
3467afe
TYPICAL APPLICATIONS
GND
V
IN
SW
SHDN
FB
V
IN
2.6V TO 4.2V
D1
L1
0.9μH
R1
8.06k
LT3467A
3467 TA09a
C2*
22μF
C4*
75pF
C1
4.7μF
R2
2.67k
V
OUT
5V
600mA AT V
IN
= 4.2V
360mA AT V
IN
= 3.3V
250mA AT V
IN
= 2.6V
C1, C2: X5R OR X7R, 6.3V
D1: PHILIPS PMEG 2010
L1: FDK MIPW3226D0R9M
*C2 CAN BE 10μF IN A 1210 OR LARGER PACKAGE WITH
THE ADDITION OF C4, OTHERWISE C4 IS OPTIONAL
SS
C3
0.047μF
OFF ON
I
OUT
(mA)
EFFICIENCY (%)
95
90
85
80
75
70
65
60
55
50
400
3467 TA09b
10050 150 250 350 450
200
300
500
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 2.6V
Single Li-Ion Cell to 5V Boost Converter Effi ciency
2.6V-3.3V to 5V Boost Converter Effi ciency
GND
V
IN
SW
SHDN
FB
V
IN
2.6V TO 3.3V
D1
L1
1.5μH
R1
8.06k
LT3467A
3467 TA08a
C2
10μF
C4
56pF
C1
4.7μF
R2
2.67k
V
OUT
5V
430mA AT V
IN
= 3.3V
270mA AT V
IN
= 2.6V
C1, C2: X5R OR X7R, 6.3V
D1: PHILIPS PMEG 2010
L1: FDK MIP3226D1R5M
SS
C3
0.047μF
OFF ON
I
OUT
(mA)
EFFICIENCY (%)
90
85
80
75
70
65
60
55
50
400
3467 TA08b
10050 150 250 350 450
200
300
500
V
IN
= 3.3V
V
IN
= 2.6V
3.3V to 15V, 135mA Step-Up Converter Effi ciency
GND
V
IN
SW
SHDN
FB
V
IN
3.3V
D1
L1
6.8μH
R1
16.5k
LT3467A
3467 TA10a
C2
2.2μF
C4
68pF
C1
4.7μF
R2
1.5k
V
OUT
15V
135mA
C1: X5R OR X7R, 6.3V
C2: X5R OR X7R, 16V
D1: PHILIPS PMEG 2010
L1: SUMIDA CMD4D13-6R8MC
SS
C3
0.047μF
OFF ON
I
OUT
(mA)
EFFICIENCY (%)
3467 TA10b
90
80
70
60
50
40
30
40
80
100
20 60
120
140
160
LT3467/LT3467A
15
3467afe
PACKAGE DESCRIPTION
DDB Package
8-Lead Plastic DFN (3mm × 2mm)
(Reference LTC DWG # 05-08-1702 Rev B)
2.00 p0.10
(2 SIDES)
NOTE:
1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE
0.40 p 0.10
BOTTOM VIEW—EXPOSED PAD
0.56 p 0.05
(2 SIDES)
0.75 p0.05
R = 0.115
TYP
R = 0.05
TYP
2.15 p0.05
(2 SIDES)
3.00 p0.10
(2 SIDES)
14
85
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0 – 0.05
(DDB8) DFN 0905 REV B
0.25 p 0.05
2.20 p0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.61 p0.05
(2 SIDES)
1.15 p0.05
0.70 p0.05
2.55 p0.05
PACKAGE
OUTLINE
0.25 p 0.05
0.50 BSC
PIN 1
R = 0.20 OR
0.25 s 45o
CHAMFER
0.50 BSC
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

LT3467AEDDB

Mfr. #:
Buy LT3467AEDDB
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators LT3467A - 1.1A Step-Up DC/DC Converter with Integrated Soft-Start
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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