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LTC3370 Datasheet(PDF) 41 Page - Linear Technology

No. de pieza LTC3370
Descripción Electrónicos  60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs
PDF  44 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LTC3370 Datasheet(HTML) 41 Page - Linear Technology

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LTC3372
41
Rev. A
For more information www.analog.com
TYPICAL APPLICATIONS
6V to 60V Input 5V/20A Output HV Buck Converter Plus Triple 3.3V/4A, 1.8V/1A and 1.2V/3A LV Regulators
HV Controller Efficiency and
Power Loss vs Output Current
HV Controller Forced Continuous
Mode Load Step
VOUT
INTVCC
VOUT
INTVCC
VOUT
INTVCC
INTVCC
MTOP
MBOT
D1
4.7µF
10nF
402k
LHV
1µH
162k
511k
47µF
×2
649k
806k
22µF
464k
232k
47µF
0.01µF
100pF
4.7nF
5.11k
100k
100k
3372 TA06a
L1
0.56µH
L3
2.2µH
L4
0.68µH
10µF
×3
10µF
6.19k
100nF
0.1µF
VINB
SWA
GND
SWB
FB1
VINA
EN1
VIN
VOUTPRG
VINC
VIND
SWC
ITH
SWD
FB2
EN2
TRACK/SS
RUN
PGOOD
RT
CT
PLL/MODE
VINE
VINF
SWE
SWF
FB3
EN3
VING
VINH
SWG
SWH
C1 C2 C3
FB4
EN4
WDI
WDO
TEMP
RSTB
INTVCC
TG
BOOST
SW
BG
SENSE+
SENSE–
VOUT/EXTVCC
LTC3372
22µF
COUT1
330µF
×2
COUT2
220µF
VOUT
5V
20A*
VOUT1
3.3V
4A
VOUT4
1.2V
3A
VOUT3
1.8V
1A
MTOP: BSC014N04LSI
MBOT: BSC010N04LSI
LHV: XAL1010-102ME
CIN1: UCJ1H101MCL1GS
CIN2: GRM32ER71H106KA12L
COUT1: 6TPE330MAP
COUT2: GRM32ER60J227ME05L
D1: DFLS1100
10µF
×4
CIN1
100µF
×2
VIN
40V MAX
6V MIN
CIN2
10µF
×4
*FULL LOAD IS EQUIVALENT TO SPECIFIED LOAD CURRENT
PLUS THE FULL LOAD INPUT CURRENT FROM VOUT1-4
BURST EFFICIENCY
BURST LOSS
FCM EFFICIENCY
PULSE–SKIPPING
EFFICIENCY
FCM LOSS
PULSE–SKIPPING
LOSS
OUTPUT CURRENT (A)
0.0001 0.001
0.01
0.1
1
10 30
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
3372 TA06b
VIN = 12V
VOUT = 5V
ILOAD = 200mA to 20A
100µs/DIV
ILOAD
10A/DIV
VOUT
AC–COUPLED
100mV/DIV
3372 TA06c



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