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参数资料
| 型号： | LM5009SD |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 150 mA, 100V Step-Down Switching Regulator |
| 中文描述： | 0.37 A SWITCHING REGULATOR, DSO8 |
| 封装： | 4 X 4 MM, EXPOSED PAD, LLP-8 |
| 文件页数： | 10/14页 |
| 文件大小： | 647K |
| 代理商： | LM5009SD |
Electrical Characteristics (Continued)
Limits in standard type are for T
J = 25C only, and limits in boldface type apply over the junction temperature (TJ) range of
-40C to +125C. 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 = 48V, RON = 200k
. See (Note 3)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Minimum Off Time
Minimum Off Timer
FB = 0V
300
ns
Regulation and OV Comparators
FB Reference Threshold
Internal reference
Trip point for switch ON
2.445
2.5
2.550
V
FB Over-Voltage Threshold
Trip point for switch OFF
2.875
V
FB Bias Current
1
nA
Thermal Shutdown
Tsd
Thermal Shutdown Temp.
165
C
Thermal Shutdown Hysteresis
25
C
Thermal Resistance
θ
JA
Junction to Ambient
MUA Package
200
C/W
SDC Package
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 MSOP 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 TA =TJ = 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: The VCC output is intended as a self bias for the internal gate drive power and control circuits. Device thermal limitations limit external loading.
Note 5: The human body model is a 100pF capacitor discharged through a 1.5k
resistor into each pin. All pins are rated for 2 kV, except VIN and VCC which are
rated for 1 kV.
Note 6: For devices procured in the LLP-8 package the Rds(on) limits are guaranteed by design characterization data only.
LM5009
www.national.com
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM5009SDC | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM5009SDC/NOPB | 功能描述:直流/直流开关转换器 150 MA 100V STEP-DWN SWITCHING REG RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM5009SDC/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| LM5009SDCNOPB | 制造商:NATIONAL 功能描述:Pb Free |
| LM5009SDCX | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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