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参数资料
| 型号： | TPS2101DBVTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | GREEN, PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 14/20页 |
| 文件大小： | 490K |
| 代理商： | TPS2101DBVTG4 |
TPS2100, TPS2101
VAUX POWER-DISTRIBUTION SWITCHES
SLVS197D – JUNE 1999 – REVISED JUNE 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Function Tables
TPS2100
TPS2101
VIN1
VIN2
EN
OUT
VIN1
VIN2
EN
OUT
0 V
XX
GND
0 V
XX
GND
0 V
3.3 V
L
GND
0 V
3.3 V
H
GND
3.3 V
L
VIN1
3.3 V
H
VIN1
3.3 V
0 V
L
VIN1
3.3 V
0 V
H
VIN1
0 V
3.3 V
H
VIN2
0 V
3.3 V
L
VIN2
3.3 V
0 V
H
VIN2
3.3 V
0 V
L
VIN2
3.3 V
H
VIN2
3.3 V
L
VIN2
XX = don’t care
Terminal Functions
TERMINAL
NO.
DESCRIPTION
NAME
TPS2100
TPS2101
I/O
DESCRIPTION
DBV
D
DBV
D
EN
1
3
Active-high enable for IN1-OUT switch
EN
1
3
I
Active-low enable for IN1-OUT switch
GND
2
I
Ground
IN1
5
I
Main Input voltage, NMOS drain (250 m
)
IN2
3
1
3
1
I
Auxilliary input voltage, PMOS drain (1.3
)
OUT
4
7, 8
4
7, 8
O
Power switch output
NC
4, 6
No connection
detailed description
power switches
n-channel MOSFET
The IN1-OUT n-channel MOSFET power switch has a typical on-resistance of 250 m
at 3.3-V input voltage,
and is configured as a high-side switch.
p-channel MOSFET
The IN2-OUT p-channel MOSFET power switch with typical on-resistance of 1.3
at 3.3-V input voltage and
is configured as a high-side switch. When operating, the p-channel MOSFET quiescent current is reduced to
less than 1.5
A.
charge pump
An internal charge pump supplies power to the driver circuit and provides the necessary voltage to pull the gate
of the MOSFET above the source. The charge pump operates from input voltages as low as 2.7 V and requires
very little supply current.
driver
The driver controls the gate voltage of the IN1-OUT and IN2-OUT power switches. To limit large current surges
and reduce the associated electromagnetic interference (EMI) produced, the drivers incorporate circuitry that
controls the rise times and fall times of the output voltage.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2101DG4 | 功能描述:电源开关 IC - 配电 2.7-4V Dual In/Sgl Out MOSFET RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| TPS2102D | 功能描述:电源开关 IC - 配电 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| TPS2102DBVR | 功能描述:电源开关 IC - 配电 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| TPS2102DBVRG4 | 功能描述:电源开关 IC - 配电 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| TPS2102DBVT | 功能描述:电源开关 IC - 配电 Dual In/Single Out MOSFET RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
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