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参数资料
型号： LTC4252A-2CMS#TRPBF
厂商： LINEAR TECHNOLOGY CORP
元件分类： 电源管理
英文描述： Negative Voltage Hot Swap Controllers; Package: MSOP; No of Pins: 10; Temperature Range: 0°C to +70°C
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封装： LEAD FREE, PLASTIC, MSOP-10
文件页数： 23/36页
文件大小： 394K
代理商： LTC4252A-2CMS#TRPBF
LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
3
425212fb
LTC4252-1/-2
LTC4252A-1/-2
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VZ
VIN – VEE Zener Voltage
IIN = 2mA
●
11.5
13
14.5
11.5
13
14.5
V
rZ
VIN – VEE Zener Dynamic Impedance
IIN = 2mA to 30mA
5
IIN
VIN Supply Current
UV = OV = 4V, VIN = (VZ – 0.3V)
●
0.8
2
0.9
2
mA
VLKO
VIN Undervoltage Lockout
Coming Out of UVLO (Rising VIN)
●
9.2
11.5
9
10
V
VLKH
VIN Undervoltage Lockout Hysteresis
1
0.5
V
VCB
Circuit Breaker Current Limit Voltage
VCB = (VSENSE – VEE)
●
40
50
60
45
50
55
mV
VACL
Analog Current Limit Voltage
VACL = (VSENSE – VEE),
●
80
100
120
mV
SS = Open or 2.2V
VACL
Analog Current Limit Voltage
VACL = (VSENSE – VEE),
●
1.05
1.20
1.38
V/V
VCB
Circuit Breaker Voltage
SS = Open or 1.4V
VFCL
Fast Current Limit Voltage
VFCL = (VSENSE – VEE)
●
150
200
300
150
200
300
mV
VSS
SS Voltage
After End of SS Timing Cycle
2.2
1.4
V
RSS
SS Output Impedance
100
50
k
ISS
SS Pin Current
UV = OV = 4V, VSENSE = VEE,22
28
A
VSS = 0V (Sourcing)
UV = OV = 0V, VSENSE = VEE,28
28
mA
VSS = 2V (Sinking)
VOS
Analog Current Limit Offset Voltage
10
mV
VACL+VOS Ratio (VACL + VOS) to SS Voltage
0.05
V/V
VSS
IGATE
GATE Pin Output Current
UV = OV = 4V, VSENSE = VEE,
●
40
58
80
40
58
80
A
VGATE = 0V (Sourcing)
UV = OV = 4V, VSENSE – VEE = 0.15V,
17
mA
VGATE = 3V (Sinking)
UV = OV = 4V, VSENSE – VEE = 0.3V,
190
mA
VGATE = 1V (Sinking)
VGATE
External MOSFET Gate Drive
VGATE – VEE, IIN = 2mA
●
10
12
VZ
10
12
VZ
V
VGATEH
Gate High Threshold
VGATEH = VIN – VGATE, IIN = 2mA,
2.8
V
for PWRGD Status (MS Only)
VGATEL
Gate Low Threshold
(Before Gate Ramp-Up)
0.5
V
VUVHI
UV Pin Threshold HIGH
● 3.075 3.225 3.375
V
VUVLO
UV Pin Threshold LOW
● 2.775 2.925 3.075
V
VUV
UV Pin Threshold
Low-to-High Transition
●
3.05
3.08
3.11
V
VUVHST
UV Pin Hysteresis
(
● for LTC4252A Only)
●
300
292
324
356
mV
VOVHI
OV Pin Threshold HIGH
●
5.85
6.15
6.45
V
VOVLO
OV Pin Threshold LOW
●
5.25
5.55
5.85
V
VOV
OV Pin Threshold
Low-to-High Transition
●
5.04
5.09
5.14
V
VOVHST
OV Pin Hysteresis
(
● for LTC4252A Only)
●
600
82
102
122
mV
ISENSE
SENSE Pin Input Current
UV = OV = 4V, VSENSE = 50mV
●
–15
–30
–15
–30
A
IINP
UV, OV Pin Input Current
UV = OV = 4V
●
±0.1 ±1
±0.1
±1
A
VTMRH
TIMER Pin Voltage High Threshold
4
V
VTMRL
TIMER Pin Voltage Low Threshold
1
V
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
相关PDF资料
PDF描述
LTC4252A-2IMS#PBF Negative Voltage Hot Swap Controllers; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +85°C
LTC4252A-2IMS#TRPBF Negative Voltage Hot Swap Controllers; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +85°C
LTC4252-2CMS8#PBF Negative Voltage Hot Swap Controllers; Package: MSOP; No of Pins: 8; Temperature Range: 0°C to +70°C
LTC4252-2CMS8#TRPBF Negative Voltage Hot Swap Controllers; Package: MSOP; No of Pins: 8; Temperature Range: 0°C to +70°C
LTC4252-2IMS8#PBF Negative Voltage Hot Swap Controllers; Package: MSOP; No of Pins: 8; Temperature Range: -40°C to +85°C
相关代理商/技术参数
参数描述
LTC4252A-2IMS 功能描述:IC CTRLR HOTSWAP NEG VOLT 10MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件
LTC4252A-2IMS#PBF 功能描述:IC CNTRLR HOTSWAP NEGVOLT 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件
LTC4252A-2IMS#TR 功能描述:IC CTRLR HOTSWAP NEG VOLT 10MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件
LTC4252A-2IMS#TRPBF 功能描述:IC CNTRLR HOTSWAP NEGVOLT 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件
LTC4252A-2IMSPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Negative Voltage Hot Swap Controllers
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