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LT8646SEVPBF Datasheet(PDF) 14 Page - Analog Devices

Part # LT8646SEVPBF
Description  65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current
PDF  30 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8646SEVPBF Datasheet(HTML) 14 Page - Analog Devices

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LT8645S/LT8646S
14
Rev. B
For more information www.analog.com
BLOCK DIAGRAM
+
+
–
SLOPE COMP
INTERNAL 0.97V REF
OSCILLATOR
200kHz TO 2.2MHz
BURST
DETECT
3.4V
REG
M1
M2
CBST
0.22µF
COUT
VOUT
8645s BD
SW
L
BST
12-16
21-23
ERROR
AMP
SHDN
±8%
VC
SHDN
THERMAL SHDN
INTVCC UVLO
VIN UVLO
SHDN
THERMAL SHDN
VIN UVLO
EN/UV
1.01V
+
–
25
11
GND
33-38
INTVCC
2
BIAS
1
VIN
13
GND
GND
8-10
17-19
CLKOUT
PG
31
FB
R1
27
C1
R3
OPT
R4
OPT
R2
RT
CSS
OPT
VOUT
32
TR/SS
1.9µA
60k
INTVCC
29
RT
26
SYNC/MODE
28
VIN
4-6
VIN
COPT1
CIN3
CIN1
20nF
CVCC
2.2µF
COPT2
CIN2
20nF
SWITCH
LOGIC
AND
ANTI-
SHOOT
THROUGH
600k
LT8645S ONLY
30
LT8645S ONLY
VC
LT8646S ONLY
30
CF
CC
RC



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