LT3467 LINER [Linear Technology], LT3467 Datasheet - Page 14

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

LT3467/LT3467A
TYPICAL APPLICATIONS
14
2.6V TO 4.2V
2.6V TO 3.3V
3.3V
4.7μF
V
IN
C1
4.7μF
4.7μF
V
V
C1: X5R OR X7R, 6.3V
C2: X5R OR X7R, 16V
D1: PHILIPS PMEG 2010
L1: SUMIDA CMD4D13-6R8MC
IN
IN
0.047μF
C1
C1
OFF ON
C3
C1, C2: X5R OR X7R, 6.3V
D1: PHILIPS PMEG 2010
L1: FDK MIP3226D1R5M
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
3.3V to 15V, 135mA Step-Up Converter
0.047μF
THE ADDITION OF C4, OTHERWISE C4 IS OPTIONAL
0.047μF
OFF ON
OFF ON
C3
C3
Single Li-Ion Cell to 5V Boost Converter
SS
SHDN
V
IN
2.6V-3.3V to 5V Boost Converter
LT3467A
6.8μH
SS
GND
SS
SHDN
SHDN
L1
V
V
IN
IN
LT3467A
LT3467A
1.5μH
0.9μH
SW
GND
GND
L1
L1
FB
SW
D1
16.5k
SW
1.5k
FB
FB
R1
R2
D1
8.06k
2.67k
D1
8.06k
2.67k
R1
R2
R1
R2
C4
68pF
C4
56pF
C4*
75pF
3467 TA10a
C2
2.2μF
V
15V
135mA
OUT
3467 TA08a
3467 TA09a
C2
10μF
C2*
22μF
V
5V
430mA AT V
270mA AT V
V
5V
600mA AT V
360mA AT V
250mA AT V
OUT
OUT
IN
IN
IN
IN
IN
= 3.3V
= 2.6V
= 4.2V
= 3.3V
= 2.6V
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
90
80
70
60
50
40
30
50
50
20
100
100
40
150
150
V
60
IN
200
200
= 2.6V
Effi ciency
Effi ciency
Effi ciency
I
I
I
250
80
250
OUT
V
OUT
OUT
IN
V
IN
= 3.3V
(mA)
(mA)
(mA)
300
300
= 2.6V
100
350
350
120
400
400
V
V
IN
IN
140
= 3.3V
= 4.2V
450
450
3467 TA08b
3467 TA09b
3467 TA10b
3467afd
500
500
160