LTC2921CGN データシートの表示（PDF） - Linear Technology
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LTC2921CGN Datasheet PDF : 20 Pages
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LTC2921/LTC2922 Series
TYPICAL APPLICATIO
Early-Late Supply Sequencer with Early Supplies LED Indicator
VOUT 5V ± 10%
VFB
DC/DC
CONVERTER
VOUT 2.5V ± 5%
VFB
DC/DC
CONVERTER
VOUT 1.8V ± 5%
VFB
DC/DC
CONVERTER
VOUT 3.3V ± 10%
VFB
DC/DC
CONVERTER
VOUT 2.5V ± 10%
VFB
DC/DC
CONVERTER
QRST
Si1012R
CBRST
R1
100k
CIRCUIT BREAKER
RESET CONTROL
RX0
100Ω
RSENSE
WSL1206
0.05Ω, 1%
CD0
0.1µF
25V
Q0
Si2316DS
RG0
10Ω
RX1
100Ω
CD1
0.1µF
25V
Q1
Si2316DS
RG1
10Ω
RX2
100Ω
CD2
0.1µF
25V
CD3
0.1µF
25V
Q2
Si2316DS
RG2
10Ω
Q3
Si2316DS
RG3
10Ω
RB1
169k
1%
RA1
49.9k
1%
R6
330Ω
EARLY
VOLTAGES
ON
RB2
113k
1%
RB3
232k
1%
RA2
49.9k
1%
RA3
49.9k
1%
RB4
162k
1%
RA4
49.9k
1%
CBYP
10µF
25V
3
4
V1
V2
5 V3
6 V4
CD4
0.1µF
25V
19
18
VCC SENSE 17
GATE
LTC2922
16
PG
1 S0
13 S1
11 S2
9 S3
7 S4
GND
15
D0 20
D1 14
D2 12
D3 10
D4 8
TIMER
2 CTIMER
0.22µF
10V
Q4
Si2316DS
RG4
10Ω
CGATE
0.47µF
25V
CPG
0.22µF
25V
tGATE ~ 500ms
tPG ~ 600ms
5V
EARLY
0.8A MAX
2.5V
EARLY
1.5A MAX
1.8V
EARLY
1.5A MAX
3.3V
LATE
2.5V
LATE
PG PIN AS
SEQUENCED
GATE DRIVER
2921/22 TA03
RELATED PARTS
PART NUMBER
LTC2900
LTC2901
DESCRIPTION
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor with Watchdog
LTC2902
Programmable Quad Supply Monitor
LTC4211
LTC4230
Hot Swap Controller with Multifunction Current Control
Triple Hot Swap Controller with Multifunction Current Control
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
COMMENTS
Adjustable RESET Timer, 10-Lead MSOP Package
Adjustable RESET Timer and Watchdog Timer,
Individual Comparator Outputs
Adjustable RESET Timer, Selectable Tolerance,
RESET Disable for Margining.
Operates from 2.5V to 16.5V, 10-Lead MSOP Package
Operates from 1.7V to 16.5V, Supply Tracking
29212fa
LT/TP 0404 1K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2003
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