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LTC3411EDD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LTC3411
19
3411fb
TYPICAL APPLICATIONS
Single Inductor, Positive, Buck-Boost Converter
PV
IN
LTC3411
PGND
SW
SV
IN
SGND
PGOODPGOOD
V
FB
SYNC/MODE
I
TH
SHDN/R
T
L1
3.3μH
D1
V
OUT
3.3V/
400mA
V
IN
V
IN
2.63V
TO 5V
100k
M1
R4
324k
R3
13k
3411 TA02
C3
1000pF
C7
10pF
C1, C2: TAIYO YUDEN JMK325BJ226MM
C4: SANYO POSCAP 6TPA47M
D1: ON MBRM120L
L1: TOKO A915AY-3R3M (D53LC SERIES)
M1: SILICONIX Si2302DS
R1
280k
C4
47μF
+
C1
22μF
C2
22μF
s2
R2
887k
Effi ciency vs Load Current
LOAD CURRENT (mA)
10
EFFICIENCY (%)
85
80
75
70
65
60
55
100 1000
3411 TA03
V
IN
= 4V
V
IN
= 3V
V
IN
= 3.5V
V
IN
= 2.5V
f
O
= 1MHz
LTC3411
20
3411fb
TYPICAL APPLICATIONS
All Ceramic 2-Cell to 3.3V and 1.8V Converters
Effi ciency vs Load Current
LTC3402
V
IN
SHDN
MODE/SYNC
PGOOD
R
T
SW
V
OUT
FB
V
C
GND
1000pF
10pF
2
CELLS
C1
10μF
47k
49.9k
604k
1M
V
OUT
3.3V
120mA/1A
L1
4.7μH
D1
C2
44mF
(2 s 22mF)
C1: TAIYO YUDEN JMK212BJ106MG
C2: TAIYO YUDEN JMK325BJ226MM
C5, C6: TAIYO YUDEN JMK325BJ226MM
V
IN
= 2V TO 3V
0 = FIXED FREQ
1 = Burst Mode OPERATION
+
SYNC/MODE
LTC3411
PV
IN
SW
SV
IN
PGOOD
I
TH
SHDN/R
T
PGNDSGND
V
FB
L2
2.2μH
V
OUT
1.8V/1.2A
887k
412k
1000pF
3411 TA06
C6
22μF
13k
C5
22μF
324k
D1: ON SEMICONDUCTOR MBRM120LT3
L1: TOKO A916CY-4R7M
L2: TOKO A914BYW-2R2M (D52LC SERIES)
LOAD CURRENT (mA)
10
80
EFFICIENCY (%)
90
100
100 1000 10000
3211 TA07
70
75
85
95
65
60
3.3V
1.8V
V
IN
= 2.4V
Burst Mode OPERATION
LTC3411
21
3411fb
TYPICAL APPLICATION
2mm Height, 2MHz, Li-Ion to 1.8V Converter
Effi ciency vs Load Current
PV
IN
LTC3411
PGOOD PGOOD
SWSV
IN
SYNC/MODE
V
FB
I
TH
SHDN/R
T
L1
1μH
V
OUT
1.8V
AT 1.25A
V
IN
2.63V
TO 4.2V
SGND PGND
R5
100k
C4 22pF
R4
154k
R3
15k
R1
698k
R2
887k
3411 TA04
C3
470pF
C7
47pF
C5
1μF
+
C1
33μF
+
C6
1μF
C1, C2: AVX TPSB336K006R0600
C4, C5: TAIYO YUDEN LMK212BJ105MG
L1: COILCRAFT DO1606T-102
C2
33μF
LOAD CURRENT (mA)
EFFICIENCY (%)
100
95
90
85
80
75
70
65
60
55
50
1 100 1000 10000
3411 TA05
10
V
OUT
= 1.8V
f
O
= 2MHz
2.5V
3.6V
4.2V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LTC3411EDD#PBF

Mfr. #:
Buy LTC3411EDD#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.25A, 4MHz, Sync Buck DC/DC Conv
Lifecycle:
New from this manufacturer.
Delivery:
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