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LTC2921IGN Datasheet(PDF) 20 Page - Linear Technology

Part # LTC2921IGN
Description  Power Supply Tracker with Input Monitors
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2921IGN Datasheet(HTML) 20 Page - Linear Technology

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LTC2921/LTC2922 Series
20
29212fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
©LINEAR TECHNOLOGY CORPORATION 2003
LT/TP 0404 1K REV A • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
DESCRIPTION
COMMENTS
LTC2900
Programmable Quad Supply Monitor
Adjustable RESET Timer, 10-Lead MSOP Package
LTC2901
Programmable Quad Supply Monitor with Watchdog
Adjustable RESET Timer and Watchdog Timer,
Individual Comparator Outputs
LTC2902
Programmable Quad Supply Monitor
Adjustable RESET Timer, Selectable Tolerance,
RESET Disable for Margining.
LTC4211
Hot Swap Controller with Multifunction Current Control
Operates from 2.5V to 16.5V, 10-Lead MSOP Package
LTC4230
Triple Hot Swap Controller with Multifunction Current Control
Operates from 1.7V to 16.5V, Supply Tracking
Early-Late Supply Sequencer with Early Supplies LED Indicator
2921/22 TA03
RG2
10
Ω
LTC2922
VCC
SENSE
RA4
49.9k
1%
RA3
49.9k
1%
RB4
162k
1%
RB3
232k
1%
VOUT
VFB
VOUT
VFB
VOUT
VFB
RG3
10
Ω
RG4
10
Ω
V1
V2
V3
V4
S0
S1
S2
S3
S4
GATE
PG
D0
D1
D2
D3
D4
GND
TIMER
QRST
Si1012R
CBRST
1.8V
± 5%
3.3V
± 10%
2.5V
± 10%
Q2
Si2316DS
Q3
Si2316DS
Q4
Si2316DS
RSENSE
WSL1206
0.05
Ω, 1%
CTIMER
0.22
µF
10V
1.8V
EARLY
1.5A MAX
3.3V
LATE
2.5V
LATE
CGATE
0.47
µF
25V
CD2
0.1
µF
25V
CD3
0.1
µF
25V
CD4
0.1
µF
25V
CBYP
10
µF
25V
DC/DC
CONVERTER
DC/DC
CONVERTER
DC/DC
CONVERTER
VOUT
VFB
VOUT
VFB
RG0
10
Ω
RG1
10
Ω
5V
± 10%
2.5V
± 5%
Q0
Si2316DS
Q1
Si2316DS
5V
EARLY
0.8A MAX
2.5V
EARLY
1.5A MAX
CD0
0.1
µF
25V
CD1
0.1
µF
25V
DC/DC
CONVERTER
DC/DC
CONVERTER
RA2
49.9k
1%
RB2
113k
1%
RA1
49.9k
1%
RB1
169k
1%
RX0
100
Ω
RX1
100
Ω
RX2
100
Ω
R1
100k
CPG
0.22
µF
25V
19
18
17
16
20
14
12
10
8
2
15
7
9
11
1
6
5
4
3
13
CIRCUIT BREAKER
RESET CONTROL
PG PIN AS
SEQUENCED
GATE DRIVER
EARLY
VOLTAGES
ON
R6
330
Ω
tGATE ~ 500ms
tPG ~ 600ms



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