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參數資料
| 型號： | LM25010MHX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 42V, 1.0A Step-Down Switching Regulator |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, TSSOP-14 |
| 文件頁數： | 5/17頁 |
| 文件大?。?/td> | 776K |
| 代理商： | LM25010MHX |
Electrical Charateristics
Specifications with standard type are for T
J
= 25C only; limits in boldface type apply
over the full Operating Junction Temperature (T
J
) range. Minimum and Maximum limits are guaranteed through test, design,
or statistical correlation. Typical values represent the most likely parametric norm at T
J
= 25C, and are provided for reference
purposes only. Unless otherwise stated the following conditions apply: V
IN
= 24V, R
ON
= 200k
. See (Note 5). (Continued)
Symbol
Off Timer
t
OFF
Regulation and Over-Voltage Comparators (FB Pin)
V
REF
FB regulation threshold
FB over-voltage threshold
FB bias current
Thermal Shutdown
T
SD
Thermal shutdown temperature
Thermal shutdown hysteresis
Thermal Resistance
θ
JA
Junction to Ambient, 0 LFPM
Air Flow
θ
JC
Junction to Case
Parameter
Conditions
Min
Typ
Max
Units
Minimum Off-time
260
ns
2.445
2.50
2.9
1
2.550
V
V
nA
175
20
C
C
SDC Package
MXA Package
SDC Package
MXA Package
40
40
5.2
5.2
C/W
C/W
Note 1:
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device
is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
The human body model is a 100pF capacitor discharged through a 1.5k
resistor into each pin.
Note 3:
V
CC
provides bias for the internal gate drive and control circuits. Device thermal limitations limit external loading.
Note 4:
For detailed information on soldering plastic TSSOP and LLP packages refer to the Packaging Data Book available from National Semiconductor
Corporation.
Note 5:
Typical specifications represent the most likely parametric norm at 25C operation.
L
www.national.com
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM25010MHX/NOPB | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM25010Q0MH | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM25010Q0MH/NOPB | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM25010Q0MHX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:42V, 1.0A Step-Down Switching Regulator |
| LM25010Q0MHX/NOPB | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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