参数资料
型号: LTC4253IGN#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: -48V Hot Swap Controller with Sequencer; Package: SSOP; No of Pins: 16; Temperature Range: -40°C to +85°C
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16
文件页数: 28/34页
文件大小: 369K
代理商: LTC4253IGN#PBF
LTC4253/LTC4253A
34
425353afd
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2002
LT 0211 REV D PRINTED IN USA
relaTeD parTs
Typical applicaTion
PART NUMBER
DESCRIPTION
COMMENTS
LT1640AH/LT1640AL
Negative High Voltage Hot Swap Controllers in SO-8
Negative High Voltage Supplies from –10V to –80V
LT1641-1/LT1641-2
Positive High Voltage Hot Swap Controllers in SO-8
Supplies from 9V to 80V, Autoretry/Latched Off
LTC1642A
Fault Protected Hot Swap Controller
3V to 16.5V, Overvoltage Protection up to 33V
LT4250
–48V Hot Swap Controller
Active Current Limiting, Supplies from –20V to –80V
LTC4251/LTC4251-1/
LTC4251-2
–48V Hot Swap Controllers in SOT-23
Fast Active Current Limiting, Supplies from –15V
LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
–48V Hot Swap Controllers in MS8/MS10
Fast Active Current Limiting, Supplies from –15V, Drain
Accelerated Response, 1% Accurate UV/OV Thresholds
Figure 17. –48V/2.5A Application with Foldback Current Limiting and Transistor Enabled Sequencing without Feedback
R6
100k
R5
100k
R7
100k
PWRGD1
VIN EN2 EN3
VIN
VEE
LTC4253A
POWER
MODULE 1
PWRGD2
PWRGD3
OV
UV
RESET
DRAIN
SS
GATE
SQTIMER
SENSE
TIMER
EN
POWER
MODULE 2
EN
POWER
MODULE 3
EN
RIN
10k
20k(1/4W)/2
4253 F17
RC
10
R3
38.3k
RD
3.3M
RS
0.02
Q1
IRF530S
VOUT
CC
10nF
R4
22
CT
1F
C1
10nF
R8
47k
CSQ
0.1F
CSS 33nF
+
C3
0.1F
C2
100F
CIN
1F
R2
392k
1%
R1
30.1k
1%
RESET
(LONG PIN)
–48V RTN
(SHORT PIN)
–48V RTN
(LONG PIN)
–48V
(LONG PIN)
*DIODES, INC.
FMMT493
RECOMMENDED FOR HARSH ENVIRONMENTS.
DIN
DDZ13B*
相关PDF资料
PDF描述
LTC4253IGN#TRPBF -48V Hot Swap Controller with Sequencer; Package: SSOP; No of Pins: 16; Temperature Range: -40°C to +85°C
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