参数资料
型号: LTC1421CG#TR
厂商: Linear Technology
文件页数: 17/24页
文件大小: 329K
描述: IC CONTROLLER HOTSWAP ADJ 24SSOP
标准包装: 1,800
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 3 V ~ 12 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.209",5.30mm 宽)
供应商设备封装: 24-SSOP
包装: 带卷 (TR)
17
LTC1421/LTC1421-2.5
APPLICATIONS INFORMATION
U
U
U
5V Only Applications
The LTC1421 may be used in 5V only applications as shown
in Figure 18. A soft reset can be generated from the
backplane via an open-collector inverter driving the FB (Pin
11) or by a push button to ground. A hard power reset is
generated from the backplane via an open-collector inverter
driving the POR (Pin 3). A hard reset cycles the power on
the board or resets the electronic circuit breaker. The
comparator is used to monitor the board supply voltage and
will pull the POWERGOOD signal low as long as the supply
remains above 4.65V. Note that a soft reset will not affect
the POWERGOOD signal. The FAULT signal is also moni-
tored to determine that the circuit breaker has tripped.
48V and 24V Applications
The LTC1421 may be used in 48V applications as shown
in Figure 19. The LTC1421 provides the hot insertion
protection, while the 5V supply is generated by a power
Figure 19. 48V to 5V Hot Swappable Supply
10
7
14
13
8
 
15
1
LTC1421
16
Q1
MTB50N06E
C1
1礔
C2
1礔
R2
28k
1%
5V
17
18
19
20
21
22
5
9    6    3
S1
11
12
23
1421 F18
5V
5V
5V
POWERGOOD
FAULT
SOFT RESET
HARD RESET
R1
0.005&
1W
R3
10.2k
1%
RESET
LOGIC
C
LOAD
10k
10k
1/6
LS7004
PC BOARD
BACKPLANE
1礔
4
3
2
1
R4
10k
Figure 18. 5V Only Application with Soft Reset
10
9
13
14
8
11
15
6
7
2
24
4
3
1
16
R4
300&
1/8W
R3
56k
1/2W
Q2
MPSA06
Q1
IRFR9110
C1
1礔
48V
17
18
19
20
21
22
5
12
23
C2
2.2礔
25V
R1
5.1k
1W
D1
5.1V
+
C3
2.2礔
25V
+
2
1
5
6
3
C4
100礔
16V
5V
2A
+
C4
100礔
100V
+
1421 F19
PC BOARD
BACKPLANE
48V
S1
48V
48V
R5
10k
1/2W
R6
402&
1/8W
R2
15k
1/8W
ASTRODYNE
ASD 10-48S5
CONTROL
+IN
+OUT
IN
OUT
LTC1421
1礔
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LTC1421CSW 制造商:Linear Technology 功能描述:Hot Swap Controller 2-CH 12V 24-Pin SOIC W
LTC1421CSW#PBF 功能描述:IC CONTROLLER HOT SWAP 24-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC1421CSW#TR 功能描述:IC CONTROLLER HOTSWAP ADJ 24SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC1421CSW#TRPBF 功能描述:IC CONTROLLER HOT SWAP 24-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC1421CSW-2.5 功能描述:IC CONTROLLER HOT SWAP 24-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)