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LTC7803 Datasheet(PDF) 11 Page - Analog Devices

Part # LTC7803
Description  40V Low IQ, Triple Output, 3-Phase Synchronous Step-Down Controller
PDF  36 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC7803 Datasheet(HTML) 11 Page - Analog Devices

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LTC7819
11
Rev. 0
For more information www.analog.com
FUNCTIONAL DIAGRAM
ALLOFF
CLK1
1.2V
ALLOFF
ALLOFF
1.2V
ALLOFF
VOUT1
MODE
CLK2
CLK3
CLK
OV
OV
VOUT
2mV
RA
RB
CG
CC
RC
CIN
CB
CSS
12.5µA
100k
2mV
R2
R1
CG1
RC1
CIN1
CB1
L1
RSENSE1
COUT1
CSS1
12.5µA
RA1
RB1
CC1
L
RSENSE
COUT
DB
DB1
FREQ
PLLIN/SPREAD
ITH
VFB
SENSE-
SENSE+
GND
SW
TG
BOOST
MODE
DROPOUT
DETECT
SWITCH
LOGIC
INTVCC
TOP
BOT
TOP ON
Q
S
R
EA
ICMP
IR
SLEEP
0.425V
SLOPE COMP
0.8V
VIN
VIN
INTVCC
EXTVCC
VIN LDO
EXTVCC LDO
TRACK/SS
ITH
CLAMP
1.4V
BG
INTVCC
CHANNELS 2 AND 3
EN
EN
4.7V
5.1V
5.1V
0.88V
0.72V
PGOOD1
SPREAD
SPECTRUM
OSCILLATOR
AND PLL
RUN
ITH1
VFB1
SENSE1-
SENSE1+
GND
SW1
TG1
BOOST1
SWITCH
LOGIC
INTVCC
TOP
BOT
TOP ON
Q
S
R
EA
ICMP
IR
SLEEP
0.425V
0.8V
VIN
VOUT1
TRACK/SS1
ITH
CLAMP
1.4V
BG1
CHANNEL 1
VPRG1
VPRG1
FLOAT
GND
INTVCC
ADJUSTABLE
3.3V FIXED
5V FIXED
VOUT1
CHARGE
PUMP
RUN1
0.88V
0.72V
PGOOD
SLOPE COMP
VOUT
VFB
INTVCC
7819 BD



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