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参数资料
| 型号： | LTC4224CDDB-1#TRMPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封装： | 3 X 2 MM, LEAD FREE, PLASTIC, MO-229WECD-1, DFN-10 |
| 文件页数： | 10/16页 |
| 文件大小： | 215K |
| 代理商： | LTC4224CDDB-1#TRMPBF |
LTC4224-1/LTC4224-2
3
422412fa
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND unless otherwise
specied.
The
l denotes the specications which apply over the full operating
temperature range. TA = 25°C, VCC1 = 5V, VCC2 = 3.3V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
VCC
VCC Supply Range
VCC = Max (VCC1, VCC2)
l
2.7
6
V
ICC
VCC Supply Current
l
1.4
3
mA
VCC(UVL)
VCC Undervoltage Lockout
VCC Rising
l
2.2
2.4
2.65
V
VCCLO
VCCLO Supply Range
VCCLO = Min (VCC1, VCC2),
VCC ≥ 2.7V
l
16
V
ICCLO
VCCLO Supply Current
l
40
100
μA
VCCLO(UVL)
VCCLO Undervoltage Lockout
VCCLO Falling
l
0.76
0.8
0.84
V
External Gate Drive
ΔVGATE
Gate Drive
(VGATEn – VCC)
IGATEn = 0μA, –1μA
l
4.5
5.5
7
V
IGATE(UP)
Gate Pull-Up Current
Gate Drive On, VGATEn = 1V
l
–7
–10
–13
μA
IGATE(DN)
Gate Pull-Down Current
VONn = 1V, VGATEn = 10V
l
0.5
1.5
3
mA
IGATE(FPD)
Gate Fast Pull-Down Current
Fast Turn-Off, VGATEn = 10V
l
50
125
200
mA
Current Limit
ΔVSENSE(CB)
Circuit Breaker Trip Sense Voltage
(VCCn – SENSEn)
l
22.5
25
27.5
mV
ISENSE
SENSE Input Current
VSENSE1 = 5V, VSENSE2 = 3.3V
l
40
100
μA
Inputs and Outputs
VON(TH)
ONn Threshold Voltage
VONn Rising
l
0.76
0.8
0.84
V
ΔVON(HYST)
ONn Hysteresis
l
15
30
50
mV
ION(IN)
ONn Pull-Up Current
VONn = 1V
l
–5
–10
–15
μA
VOL
Output Low Voltage (FAULT)IFAULT = 3mA
l
0.2
0.4
V
Delay
tCB
Circuit Breaker Delay
l
2.5
5
7.5
ms
tPHL(SENSE)
Sense Voltage, (VCCn – SENSEn) High to
GATE Low
ΔVSENSE = 200mV, CGATE = 10nF l
0.4
1
μs
tPLH(GATE)
ONn Low or Input Supply High to GATEn
High Prop Delay
l
510
15
ms
tPLH(UVL)
VCCn Low to GATEn Low Prop Delay
l
816
μs
tD(UV)
UV Turn-On Delay
VCC Out of UV
l
80
160
240
ms
tD(COOL)
Auto-Retry Cooling Delay
Note 3
l
24
6
s
tBLANK
Start-Up Circuit Breaker Blanking Delay
l
2.5
5
7.5
ms
Note 3: LTC4224-2 only.
Note 4: The greater of VCC1 and VCC2 is the internal supply voltage (VCC).
An internal clamp limits the GATE pin to a minimum 5V above VCC. Driving
this pin beyond the clamp may damage the device.
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| LTC4224CDDB-1-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Compact Dual Low Voltage Hot Swap Controller |
| LTC4224CDDB-2#TRMPBF | 功能描述:IC CNTRLR HOT SWAP DUAL 10-DFN 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) |
| LTC4224CDDB-2#TRPBF | 功能描述:IC CNTRLR HOT SWAP DUAL 10-DFN 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 |
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