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参数资料
| 型号： | TPS2411PWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封装： | GREEN, PLASTIC, TSSOP-14 |
| 文件页数： | 13/31页 |
| 文件大小： | 1020K |
| 代理商： | TPS2411PWG4 |
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VDD, BYP, and POWERING OPTIONS
V
DD
A
C
G
N
D
G
A
T
E
Input
Voltage
3.3V-18V
Common
Bus
CommonBusPowering
*OptionalFiltering
10*
V
DD
A
C
G
N
D
G
A
T
E
Input
Voltage
0.8V-18V
Common
Bus
SeparateBusPowering
*OptionalFiltering
5V
22
00
pF
B
Y
P
2
20
0p
F
B
Y
P
0.01
F
m
0.01
F
m
10*
SLVS727C – NOVEMBER 2006 – REVISED JUNE 2009 .................................................................................................................................................. www.ti.com
The separate VDD pin provides flexibility for operational power and controlled rail voltage. While the internal
UVLO has been set to 2.5 V, the TPS2410/1 requires at least 3 V to generate the specified GATE drive voltage.
Sufficient BYP voltage to run internal circuits occurs at VDD voltages between 2.5 V and 3 V. There are three
choices for power, A, C, or a separate supply, two of which are demonstrated in Figure 16. One choice for
voltage rails over 3.3 V is to power from C, since it is typically the source of reliable power. Voltage rails below
3.3 V, e.g. 2.5 V and below, should use a separate supply such as 5 V. A separate VDD supply can be used to
control voltages above it, for example 5 V powering VDD to control a 12-V bus.
VDD is the main source of power for the internal control circuits. The charge pump that powers BYP draws most
of its power from VDD. The input should be low impedance, making a bypass capacitor a preferred solution. A
10-
series resistor may be used to limit inrush current into the bypass capacitor, and to provide noise filtering
for the supply.
BYP is the interconnection point between a charge pump, V(AC) monitor amplifiers and comparators, and the gate
driver. C(BYP) must be used to filter the charge pump. A 2200 pF is recommended, but the value is not critical.
Figure 16. VDD Powering Examples
20
Copyright 2006–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS2410 TPS2411
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| TPS2411PWR | 功能描述:热插拔功率分布 N+1 OR-ing Pwr Rail Cntrlr RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2411PWRG4 | 功能描述:热插拔功率分布 N+1 and OR-ing Pwr Rail Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2412D | 功能描述:热插拔功率分布 N+1/ORing Power Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2412DG4 | 功能描述:热插拔功率分布 N+1/ORing Pwr Cntrlr RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2412DR | 功能描述:热插拔功率分布 N+1/ORing Power Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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