参数资料
型号: LTC1421CG
厂商: Linear Technology
文件页数: 2/24页
文件大小: 329K
描述: IC CONTROLLER HOT SWAP 24-SSOP
标准包装: 59
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: 管件
2
LTC1421/LTC1421-2.5
ABSOLUTE MAXIMUM RATINGS
W
W
W
U
U
PACKAGE
/
ORDER I FOR  ATIO
Consult factory for parts specified with wider operating temperature ranges.
(Note 1)
Supply Voltage (V
CCLO
,
 
V
CCHI
, AUXV
CC
) .............. 13.2V
Input Voltage (Analog Pins).....  0.3V to (V
CCHI
 + 0.3V)
Input Voltage (Digital Pins)...................  0.3V to 13.2V
Output Voltage (Digital Pins) ..  0.3V to (V
CCLO
 + 0.3V)
Output Voltage (CPON).........  13.2V to (V
CCLO
 + 0.3V)
Output Voltage (V
OUTLO
, V
OUTHI
) ........... 0.3V to 13.2V
Output Voltage (GATELO, GATEHI)........... 0.3V to 20V
Operating Temperature Range
LTC1421C ...............................................0癈 to 70癈
LTC1421I........................................... 40癈 to 85癈
Storage Temperature Range ................ 65癈 to 150癈
Lead Temperature (Soldering, 10 sec)................. 300癈
ORDER PART
NUMBER
T
JMAX
 = 125癈, ?/DIV>
JA
 = 100癈/W (G)
T
JMAX
 = 125癈, ?/DIV>
JA
 = 85癈/W (SW)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
SW PACKAGE
24-LEAD PLASTIC SO
G PACKAGE
24-LEAD PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
CON1
CON2
POR
FAULT
DISABLE
PWRGD
RESET
REF
CPON
RAMP
FB
GND
AUXV
CC
V
CCLO
SETLO
GATELO
V
OUTLO
V
CCHI
SETHI
GATEHI
V
OUTHI
COMPOUT
COMP

COMP
+
ELECTRICAL CHARACTERISTICS   The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
 = 25?/SPAN>C. V
CCHI
 = 12V, V
CCLO
 = 5V unless otherwise noted (Note 2).
SYMBOL   PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Characteristics
I
CCLO
V
CCLO
 Supply Current
CON1 = CON2 = GND, POR = V
CCLO
q
1.5
3
mA
I
CCHI
V
CCHI
 Supply Current
CON1 = CON2 = GND, POR = V
CCLO
q
0.6
1
mA
V
LKO
Undervoltage Lockout
V
CCLO
 and V
CCHI
2.28
2.45
2.60
V
V
LKH
Undervoltage Lockout Hysteresis
V
CCLO
 and V
CCHI
100
mV
V
REF
Reference Output Voltage
No Load
q
1.220
1.232
1.244
V
V
LNR
Reference Line Regulation
3V d V
CCLO
d 12V, No Load
q
4
8
mV
V
LDR
Reference Load Regulation
I
O
 = 0mA to 5mA, Sourcing Only
q
1
3
mV
I
RSC
Reference Short-Circuit Current
V
REF
= 0V
45
mA
V
COF
Comparator Offset Voltage
0V d V
CM
d (V
CCLO
 1.3V)
q
?0
mV
V
CPSR
Comparator Power Supply Rejection
0V d V
CM
d (V
CCLO
 1.3V), 3V d V
CCLO
d 12V
q
1
mV/V
V
CHST
Comparator Hysteresis
0V d V
CM
d (V
CCLO
 1.3V)
7
mV
V
RST
Reset Voltage Threshold (V
OUTLO
)
FB = V
OUTLO
q
2.80
2.90
3.00
V
FB = Floating
q
4.50
4.65
4.75
V
FB = GND
q
5.75
5.88
6.01
V
V
RHST
Reset Threshold Hysteresis (V
OUTLO
)
FB = V
OUTLO
7
mV
FB = Floating
12
mV
FB = GND
15
mV
R
FB
FB Pin Input Resistance
0V d V
FB
d V
CCLO
95
k&
V
CB
Circuit Breaker Trip Voltage
V
CB
= (V
CCLO
 V
SETLO
) or V
CB
= (V
CCHI
 V
SETHI
)    q
40
50
60
mV
V
TRIP
Output Voltage for Re-Power-Up
LTC1421 (Note 3)
0.1
V
LTC1421-2.5 (Note 4)
2.5
V
LTC1421CG
LTC1421CSW
LTC1421CG-2.5
LTC1421CSW-2.5
LTC1421IG
LTC1421ISW
LTC1421IG-2.5
LTC1421ISW-2.5
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LTC1421CG#PBF 功能描述:IC CONTROLLER HOT SWAP 24-SSOP 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)
LTC1421CG#TR 功能描述:IC CONTROLLER HOTSWAP ADJ 24SSOP 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)
LTC1421CG#TRPBF 功能描述:IC CONTROLLER HOT SWAP 24-SSOP 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)
LTC1421CG1 制造商:Linear Technology 功能描述:
LTC1421CG-2.5 功能描述:IC CONTROLLER HOT SWAP 24-SSOP 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)