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LTC7802EUFDM 数据表(PDF) 10 Page - Analog Devices

部件名 LTC7802EUFDM
功能描述  40V Low IQ, 3MHz Dual, 2-Phase Synchronous Step-Down Controller with Spread Spectrum
PDF  34 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LTC7802EUFDM 数据表(HTML) 10 Page - Analog Devices

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LTC7802
10
Rev. 0
For more information www.analog.com
FUNCTIONAL DIAGRAM
7802 BD
SWITCH
LOGIC
INTVCC
VIN
VOUT1,2
DB
CB
BOOST
TG
SW
BG
GND
SENSE–
SENSE+
CIN
INTVCC
L
RSENSE
TOP
BOT
SPREAD
SPECTRUM
OSCILLATOR
AND PLL
S
Q
R
SLEEP
+
–
+
–
+ –
ICMP
IR
5.1V
5.1V
4.7V
EN
EN
EXTVCC LDO
VBIAS LDO
1.4V
0.88V
0V
0.72V
ITH
CLAMP
SLOPE COMP
VFB
ITH
2mV
0.8V
–
+
+
TRACK/SS
ALLOFF
PGOOD
12.5µA
CC2
CC1
RF2
RC
RF1
EA
RUN
PLLIN/SPREAD
MODE
VIN
EXTVCC
INTVCC
FREQ
CLK2
CLK1
DUPLICATE FOR SECOND CONTROLLER CHANNEL
ALLOFF
TOP ON
1.2V
–
+
–
+
–
+
0.425V
–
+
DROPOUT
DETECT
COUT
CSS
100k



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