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ADPL74101 Datasheet(PDF) 18 Page - Analog Devices

Part # ADPL74101
Description  100V Synchronous Step-Down Controller with Internal Bootstrap Switch
PDF  49 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADPL74101 Datasheet(HTML) 18 Page - Analog Devices

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Data Sheet
ADPL74101
analog.com
Rev. 0
18 of 49
FUNCTIONAL DIAGRAM
Figure 28. Functional Diagram
PGOOD
0.88V
0.72V
EA–
TEMPERATURE
MONITOR
1.2V
RUN
ALL OFF
MODE
+
–
DROPOUT
DETECT
OSCILLATOR
100kHz TO1MHz
SPREAD
SPECTRUM
CLK
FREQ
PLLIN/SPREAD
S
BOT
TOP ON
Q
R
SWITCH
LOGIC
SLEEP
0.425V
+
–
3mV
ICMP
+
–
–
+
+ –
IR
1.4V
SLOPE COMP
EA
SENSE+
SENSE–
TOP
BOT
OPT
BOOST
SW
TG
DRVCC
BOT
DRVCC
BG
GND
BSTVCC
CB
VIN
CIN
L
VFB
RF2
RF1
VOUT
COUT
VPRG
R1
R2
ITH
TRACK/SS
CSS
RC
CC2
CC1
0.8V
EA–
ALL OFF
12µA
1.4V
ITH
CLAMP
+
–
0.88V
CURRENT
LIMIT
ILIM
DRVUV
3.8V
4.4V
5V
5.95V
4.76V
UVLO
EXTVCC
DRVSET
5.5V
20µA
5V
4V TO 5.5V
5.5V
EN
EN
VIN LDO
EXTVCC LDO
VIN
INTVCC
DRVCC
RSENSE
VPRG
FLOAT
GND
INTVCC
R1
0
4.2M
11.2M
R2
800k
800k
VOUT
ADJUSTABLE
5V FIXED
12V FIXED



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