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參數(shù)資料
| 型號： | LM5025ASDX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Active Clamp Voltage Mode PWM Controller |
| 中文描述： | 3 A SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, DSO16 |
| 封裝： | 5 X 5 MM, LLP-16 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 698K |
| 代理商： | LM5025ASDX |
Electrical Characteristics
(Continued)
Specifications with standard typeface are for T
= 25C, and those with
boldface
type apply over full
Operating Junction
Temperature range
. V
IN
= 48V, V
CC
= 10V, RT = 31.3k
, R
SET
= 27.4k
) unless otherwise stated (Note 3)
Symbol
Parameter
Conditions
OUTPUT_B Peak
Current Sink
OUT_B Low
Saturation
10mA,
OUTPUT_B Rise Time
C
gate
= 1nF
OUTPUT_B Fall Time
C
gate
= 1nF
Output Timing Control
Overlap Time
R
SET
= 38 k
connected to
GND, 50% to 50%
transitions
Deadtime
R
SET
= 29.5 k
connected
to REF, 50% to 50%
transitions
Thermal Shutdown
T
SD
Thermal Shutdown
Threshold
Thermal Shutdown
Hysteresis
Thermal Resistance
θ
JA
Junction to Ambient
MTC Package
SDA Package
Min
Typ
1
Max
Units
A
Bipolar Device
@
Vcc/2
MOS Device
@
Iout =
12
18
20
15
ns
ns
75
105
135
ns
75
105
135
ns
165
C
25
C
125
32
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:
For detailed information on soldering plastic TSSOP and LLP packages, refer to the Packaging Data Book available from National Semiconductor
Corporation.
Note 3:
All limits are guaranteed.All electrical characteristics having room temperature limits are tested during production with T
A
= T
J
= 25C.All hot and cold limits
are guaranteed by correlating the electrical characteristics to process and temperature variations and applying statistical process control.
Note 4:
Device thermal limitations may limit usable range.
L
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM5025ASDX/NOPB | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5025B | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Active Clamp Voltage Mode PWM Controller |
| LM5025BMTC | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Active Clamp Voltage Mode PWM Controller |
| LM5025BMTC/NOPB | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5025BMTCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Active Clamp Voltage Mode PWM Controller |
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