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參數(shù)資料
| 型號(hào)： | LMZ14201EXTTZ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封裝： | 10.16 X 13.77 MM, 4.57 MM HEIGHT, ROHS COMPLIANT, TO-PMOD, 7 PIN |
| 文件頁(yè)數(shù)： | 11/18頁(yè) |
| 文件大?。?/td> | 3945K |
| 代理商： | LMZ14201EXTTZ |
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Connection Diagram
30117602
Top View
7-Lead TO-PMOD
Ordering Information
Order Number
Package Type
NSC Package Drawing
Supplied As
LMZ14201EXTTZ
TO-PMOD-7
TZA07A
250 Units in Tape and Reel
LMZ14201EXTTZX
TO-PMOD-7
TZA07A
500 Units in Tape and Reel
LMZ14201EXTTZE
TO-PMOD-7
TXA07A
45 Units in a Rail
Pin Descriptions
Pin
Name
Description
1
VIN
Supply input — Nominal operating range is 6V to 42V . A small amount of internal capacitance is contained within the
package assembly. Additional external input capacitance is required between this pin and exposed pad.
2
RON
On Time Resistor — An external resistor from V
IN to this pin sets the on-time of the application. Typical values range
from 25k to 124k ohms.
3
EN
Enable — Input to the precision enable comparator. Rising threshold is 1.18V nominal; 90 mV hysteresis nominal.
Maximum recommended input level is 6.5V.
4
GND
Ground — Reference point for all stated voltages. Must be externally connected to EP.
5
SS
Soft-Start — An internal 8 A current source charges an external capacitor to produce the soft-start function. This node
is discharged at 200 A during disable, over-current, thermal shutdown and internal UVLO conditions.
6
FB
Feedback — Internally connected to the regulation, over-voltage, and short-circuit comparators. The regulation
reference point is 0.8V at this input pin. Connected the feedback resistor divider between the output and ground to set
the output voltage.
7
VOUT Output Voltage — Output from the internal inductor. Connect the output capacitor between this pin and exposed pad.
EP
Exposed Pad — Internally connected to pin 4. Used to dissipate heat from the package during operation. Must be
electrically connected to pin 4 external to the package.
Simplified Application Schematic
30117601
www.national.com
2
LMZ14201EXT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMZ14201EXTTZ/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1A SIMPLE SWITCHER POWER MOD, 42V MAX RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LMZ14201EXTTZE | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1A SIMPLE SWITCHER? Power Module with 42V Maximum Input Voltage for Military and Rugged Applications |
| LMZ14201EXTTZE/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LMZ14201EXTTZX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1A SIMPLE SWITCHER? Power Module with 42V Maximum Input Voltage for Military and Rugged Applications |
| LMZ14201EXTTZX/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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