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參數(shù)資料
| 型號(hào)： | PTH12010LAZ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, DIP-10 |
| 文件頁數(shù)： | 23/27頁 |
| 文件大?。?/td> | 931K |
| 代理商： | PTH12010LAZ |
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DEVICE INFORMATION
PTHXX010
(Top View)
1
2
10
9
8
7
6
5
4
3
SLTS205G – JUNE 2003 – REVISED FEBRUARY 2007
TERMINAL FUNCTIONS
TERMINAL
DESCRIPTION
NAME
NO.
This is the common ground connection for the VI and VO power connections. It is also the 0 Vdc
GND
1,7
reference for the control inputs.
VI
2
The positive input voltage power node to the module, which is referenced to common GND.
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
Inhibit(1)
3
the inhibit feature is not used, the control pin should be left open-circuit. The module then produces an
output whenever a valid input source is applied. Do not place an external pull-up on this pin. For
power-up into a non-prebiased output, it is recommended that AutoTrack be utilized for On/Off control.
See the Application Information for additional details.
A 1% resistor must be directly connected between this pin and GND (pin 1) to set the output voltage of
the module higher than its lowest value. The temperature stability of the resistor should be 100 ppm/
°C
(or better). The set-point range is 1.2 V to 5.5 V for W-suffix devices, and 0.8 V to 1.8 V for L-suffix
VO Adjust
4
devices. The resistor value required for a given output voltage may be calculated using a formula. If
left open circuit, the output voltage defaults to its lowest value. For further information on output
voltage adjustment, see the related application section. 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
VO Sense
5
the load. For optimal voltage accuracy, VO Sense should be connected to VO. It can also be left
disconnected.
VO
6
The regulated positive power output with respect to the GND node.
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 output will follow
the voltage at the Track pin on a volt-for-volt basis. When the control voltage is raised above this
Track
8
range, the module regulates 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.
When this input is asserted to GND, the output voltage is decreased by 5% from the nominal. The
input requires an open-collector (open-drain) interface. It is not TTL compatible. A lower percent
Margin Down(1)
9
change can be accomodated with a series resistor. For further information, see the related application
section.
When this input is asserted to GND, the output voltage is increased by 5%. The input requires an
Margin Up(1)
10
open-collector (open-drain) interface. It is not TTL compatible. The percent change can be reduced
with a series resistor. For further information, see the related application section.
(1)
Denotes negative logic:
Open = Normal operation
Ground = Function active
5
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| PTH12010LAZT | 功能描述:DC/DC轉(zhuǎn)換器 0.8 to 1.8V 12A 12V Input WideAdj Module RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
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| PTH12010WAD | 功能描述:DC/DC轉(zhuǎn)換器 10.8-13.2Vin 5.5V12A 1.370" x0.620"x0.354 RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH12010WADT | 制造商:EMERSON-NETWORKPOWER 制造商全稱:Emerson Network Power 功能描述:DC-DC CONVERTERS |
| PTH12010WAH | 功能描述:DC/DC轉(zhuǎn)換器 1.2 to 5.5V 12A 12V Input WideAdj Module RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
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