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参数资料
| 型号： | TPS62122DRV |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO6 |
| 封装： | 2 X 2 MM, GREEN, PLASTIC, SON-6 |
| 文件页数： | 29/33页 |
| 文件大小： | 5549K |
| 代理商： | TPS62122DRV |
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VIN
GND
VOUT
SW
EN
FB
1
2
3
6
5
4
2x2SON6pinout
DRVPACKAGE
(TOP VIEW)
EXPOSED
THERMAL
PAD
VIN
GND
VOUT
SW
EN
FB
1
2
3
8
7
6
4
5
SGND
PG
SOT-238pinout
DCNPACKAGE
(TOP VIEW)
www.ti.com
SLVSAD5 – JULY 2010
DEVICE INFORMATION
PIN ASSIGNMENTS
PIN FUNCTIONS
PIN
I/O
DESCRIPTION
NAME
DRV NO. DCN NO.
VIN
5
1
PWR
VIN power supply pin.
GND
6
2
PWR
GND supply pin.
EN
4
3
IN
Pulling this pin to high activates the device. Low level shuts it down. This pin must be terminated.
SW
1
7
OUT
This is the switch pin and is connected to the internal MOSFET switches. Connect the inductor to
this terminal. Do not tie this pin to VIN, VOUT or GND.
FB
3
5
IN
This is the feedback pin for the regulator. Connect external resistor divider to this pin.
SGND
–
4
IN
This pin is available in TPS62120 only.
Open drain output which is turned on during shutdown mode (EN = 0) or VIN is below the UVLO
threshold. It connects the SGND pin to GND via an internal MOSFET with typical 370
RDS(ON).
When the device is enabled (EN = 1), this output is high impedance. To discharge the output
capacitor during shutdown mode, connect this pin to VOUT (output capacitor) or leave it open.
VOUT
2
8
IN
This pin must be connected to the output capacitor.
PG
–
6
OUT
This pin is available in TPS62120 only.
Open drain power good output. Connect this terminal via a pull up resistor to a voltage rail up to
5.5V or leave it open. This pin can sink 500A.
Exposed
-
Exposed Thermal Pad available only in DRV package option. This pad must be connected to
Thermal
GND.
PAD
Copyright 2010, Texas Instruments Incorporated
5
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| TPS62122DRVR | 功能描述:直流/直流开关转换器 15V75mA96% Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS62122DRVT | 功能描述:直流/直流开关转换器 15V75mA96% Eff Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS62122DRVT | 制造商:Texas Instruments 功能描述:IC SYNC BUCK DC/DC CONTROLLER 800KHZ 制造商:Texas Instruments 功能描述:IC, SYNC BUCK DC/DC CONTROLLER, 800KHZ, 6-SON |
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| TPS62122EVM-586 | 制造商:Texas Instruments 功能描述:EVAL BOARD, TPS62122, BUCK CONVERTER |
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