LTC3401 Linear Technology, LTC3401 Datasheet - Page 13

• Manufacturer Part Number: LTC3401
• Description: 1A/ 3MHz Micropower Synchronous Boost Converter
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
V
3.3 F
V
+
+
2.2 F
IN
IN
Single Cell to 3V at 50mA, 1.2mm High, 3MHz Step-Up Converter
1
CELL
C1
1
CELL
= 0.9V TO 1.5V
C1
= 0.9V TO 1.5V
1 = Burst Mode OPERATION
1 = Burst Mode OPERATION
Single Cell to 3V at 200mA, 600kHz Step-Up Converter
1M
0 = FIXED FREQUENCY
R3
0 = FIXED FREQUENCY
1M
R3
10
10
3
2
6
1
3
2
6
1
R
50k
R
10k
t
t
V
SHDN
MODE/SYNC
PGOOD
R
V
SHDN
MODE/SYNC
PGOOD
R
IN
t
IN
t
LTC3401
LTC3401
10 H
1 H
L1
L1
V
C1: TAIYO YUDEN JMK212BJ225MG
C2: TAIYO YUDEN JMK212BJ475MG
D1: CENTRAL SEMICONDUCTOR CMDSH-3
L1: TAIYO YUDEN LB2016
GND
V
GND
OUT
SW
C1: TAIYO YUDEN JMK212BJ335MG
C2: TAIYO YUDEN JMK325BJ226MM
D1: ON SEMICONDUCTOR MBRM120T3
L1: SUMIDA CD54-100
U
OUT
SW
V
FB
FB
V
C
5.1M
C
5.1M
R4
R4
4
7
8
9
5
4
7
8
9
5
D1
D1
R5
82k
R5
39k
C3
470pF
C3
470pF
C4
4.7pF
C4
20pF
866k
866k
R2
R2
R1
619k
R1
619k
C2
22 F
3404 TA06a
V
3V
200mA
C2
4.7 F
3404 TA05a
V
3V
100mA
OUT
OUT
100
90
80
70
60
50
40
30
20
10
60
90
80
70
50
40
30
20
10
0
0
0.1
0.1
OPERATION
Burst Mode
OPERATION
Burst Mode
1
OUTPUT CURRENT (mA)
1
LOAD CURRENT (mA)
Efficiency
Efficiency
FIXED
FREQUENCY
10
10
FIXED
FREQUENCY
LTC3401
100
100
V
V
IN
IN
= 1.2V
= 1.2V
3401 TA05b
3401
TA06b
1000
13
1000
3401fa