LTC2927CDDB View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2927CDDB Datasheet PDF : 16 Pages
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LTC2927
TYPICAL APPLICATIO
Single Supply Application
EARLY
VIN
3.3V
0.1μF
RONB
138k
RONA
100k
VCC
ON
RAMP
LTC2927
CRAMP
0.1μF
MASTER
3.3V
SDO
RUN/SS IN
RAMPBUF
DC/DC
RTB
FB
FB = 1.235V OUT
1.8V
16.5k
TRACK
RTA
13k
GND
RFA
35.7k
RFB
16.5k
2927 TA02a
EARLY
VIN
3.3V
RONB
138k
RONA
100k
RTB
78.7k
RTA
28k
High Voltage Supply Application
0.1μF
VCC
ON
RAMP
LTC2927
CRAMP
0.4μF
MASTER
3.3V
SDO
RAMPBUF
FB
TRACK
GND
2927 TA02b
RUN/SS IN
DC/DC
FB = 1.235V OUT
RFA
35.7k
RFB
311k
SLAVE
12V
RELATED PARTS
PART NUMBER DESCRIPTION
LTC2920
Power Supply Margining Controller
LTC2921/LTC2922 Power Supply Tracker with Input Monitors
LTC2923
Power Supply Tracking Controller
LTC2924
Quad Power Supply Sequencer
LTC2925
Multiple Power Supply Tracking Controller with
Power Good Timeout
LTC2926
MOSFET-Controlled Power Supply Tracker
LTC2928
LT4220
Multichannel Power Supply Sequencer
and Supervisor
Dual Supply Hot Swap™ Controller
LTC4221
Dual Hot Swap Controller
LTC4230
Triple Hot Swap Controller with Multifunction
Current Control
LTC4253
–48V Hot Swap Controller and Supply
Sequencer
Hot Swap is a trademark of Linear Technology Corporation.
COMMENTS
Single or Dual Versions, Symmetric as Symmetric High and Low Margining
Includes 3 (LTC2921) or 5 (LTC2922) Remote Sense Switches
Controls 3 Supplies for Tracking or Sequencing
Controls 4 Supplies for Sequencing
Controls 4 Supplies for Tracking or Sequencing
Active Tracking Control with Series MOSFETs
Programmable with External Components; No Software Required
±2.7V to ±16.5V, Supply Tracking Mode
Operates from 1V to 13.5V, Allows Supply Sequencing, Active Current Limiting
1.7V to 16.5V, Active Inrush Limiting, Fast Comparator
Floating Supply from –15V, Active Current Limiting, Enables Three DC/DC
Converters
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
2927fb
LT 0308 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2006
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