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LTC3603 Datasheet(PDF) 18 Page - Linear Technology

Part # LTC3603
Description  2.5A, 15V Monolithic Synchronous Step-Down Regulator
PDF  22 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3603 Datasheet(HTML) 18 Page - Linear Technology

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LTC3603
18
3603fa
TYPICAL APPLICATIONS
3.3V, 2.5A Regulator, Synchronized to 1.8MHz, Small Size
CIN
22μF
VIN
12V
VOUT
2.5V
2.5A
3603 TA05
D1
L1
1μH
ROSC
69.8k
RITH
2.94k
R1
105k
RPG
200k
CVCC
1μF
CITH
470pF
SYNC/MODE
PGOOD
RT
ITH
VFB
RUN
TRACK/SS
PGND
INTVCC
PVIN
PVIN
BOOST
SW
SW
SW
PGND
PGND
LTC3603
R2
332k
CFB
10pF
COUT
47μF
CBST
0.22μF
PGOOD
1.8MHz
EXT. CLK
L1: VISHAY IHLP2525CZER1ROMO1
CIN: TAIYO YUDEN TMK325BJ226MM-T
COUT: MURATA GRM31CR60J476ME19
Efficiency vs Load Current,
1.8V Regulator at 1MHz, Burst Mode Operation
LOAD CURRENT (A)
70
80
85
95
100
0.001
0.1
1
10
3603 TA04a
60
0.01
90
75
65
VIN = 7.2V
VIN = 12V
Efficiency vs Load Current,
1.2V Regulator at 750kHz, Burst Mode Operation
LOAD CURRENT (A)
65
95
100
60
55
90
75
85
80
70
0.001
0.1
1
10
3603 TA04b
50
0.01
VIN = 7.2V
VIN = 12V



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