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| 型号： | PTH05T210WAST |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | PLASTIC, DIP-14 |
| 文件页数： | 28/31页 |
| 文件大小： | 1135K |
| 代理商： | PTH05T210WAST |
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SLTS263I – AUGUST 2007 – REVISED MARCH 2009 ...................................................................................................................................................... www.ti.com
PTH05T210W
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
DESCRIPTION
NAME
NO.
VI
2, 6
The positive input voltage power node to the module, which is referenced to common GND.
VO
5, 9
The regulated positive power output with respect to the GND.
3, 4
This is the common ground connection for the VI and VO power connections. It is also the 0 Vdc reference for the
GND
7, 8
control inputs.
The Inhibit pin is an open-collector/drain, negative logic input that is referenced to GND. Applying a low level
ground signal to this input disables the module’s output and turns off the output voltage. When the Inhibit control
is active, the input current drawn by the regulator is significantly reduced. If the Inhibit pin is left open-circuit, the
module produces an output whenever a valid input source is applied. This input is not compatible with TTL logic
Inhibit(1)/
1
devices and should not be tied to VI or any other voltage.
UVLO adjust
This pin is also used for input undervoltage lockout (UVLO) programming. Connecting a resistor from this pin to
GND (pin 3) allows the ON threshold of the UVLO to be adjusted higher than the default value. For more
information, see the Application Information section.
A 0.05 W, 1% resistor must be directly connected between this pin and pin 8 (GND) to set the output voltage to
a value higher than 0.7 V. The temperature stability of the resistor should be 100 ppm/°C (or better). The
Vo Adjust
12
setpoint range for the output voltage is from 0.7 V to 3.6 V. If left open circuit, the output voltage defaults to its
lowest value. For further information, on output voltage adjustment see the related application note. The
specification table gives the preferred resistor values for a number of standard output voltages.
The sense input allows the regulation circuit to compensate for voltage drop between the module and the load.
+ Sense
10
For optimal voltage accuracy, +Sense must be connected to VO , very close to the load.
The sense input allows the regulation circuit to compensate for voltage drop between the module and the load.
– Sense
11
For optimal voltage accuracy, –Sense must be connected to GND (pin 8), very close to the load.
This is an analog control input that enables the output voltage to follow an external voltage. This pin becomes
active typically 20 ms after the input voltage has been applied, and allows direct control of the output voltage
from 0 V up to the nominal set-point voltage. Within this range the module's output voltage follows the voltage at
the Track pin on a volt-for-volt basis. When the control voltage is raised above this range, the module regulates
Track
14
at its set-point voltage. The feature allows the output voltage to rise simultaneously with other modules powered
from the same input bus. If unused, this input should be connected to VI.
NOTE: Due to the undervoltage lockout feature, the output of the module cannot follow its own input voltage
during power up. For more information, see the related application note.
This input pin adjusts the transient response of the regulator. To activate the TurboTrans feature, a 0.05 W,
1% resistor must be connected between this pin and pin 10 (+Sense) very close to the module. For a given
value of output capacitance, a reduction in peak output voltage deviation is achieved by using this feature. If
TurboTrans
13
unused, this pin must be left open-circuit. External capacitance must never be connected to this pin. The
resistance requirement can be selected from the TurboTrans resistor table in the Application Information
section.
(1)
Denotes negative logic: Open = Normal operation, Ground = Function active
6
Copyright 2007–2009, Texas Instruments Incorporated
Product Folder Link(s): PTH05T210W
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| PTH05T210WAZ | 功能描述:DC/DC转换器 30A 4.5-5.5V-Input/ Wide-Out Adj Pwr Mdl RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH05T210WAZT | 功能描述:DC/DC转换器 30A 4.5-5.5V-Input/ Wide-Out Adj Pwr Mdl RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH08000W | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.25-A, WIDE INPUT, ADJUSTABLE SWITCHING REGULATOR |
| PTH08000WAH | 功能描述:DC/DC转换器 2.25A 5/12V Input WideAdj Module RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH08000WAH | 制造商:Texas Instruments 功能描述:MODULE PIP .9-5.5V 2.25A HORZ TH 制造商:Texas Instruments 功能描述:MODULE PIP .9-5.5V 2.25A HORZ TH; Primary Input Voltage:14V; No. of Outputs:1; Output Voltage:5.5V; Output Current:2.25A; Voltage Regulator Case Style:Thru Hole Module; No. of Pins:6; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes |
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