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LM117HVH/883 PDF预览

LM117HVH/883

更新时间： 2024-02-15 13:37:57
品牌 Logo 应用领域
美国国家半导体 - NSC 线性稳压器IC调节器电源电路输出元件
页数 文件大小 规格书
15页 472K
描述
3-Terminal Adjustable Regulator

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LM117HVH/883 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：, CAN3/4,.2Reach Compliance Code：unknown
风险等级：5.87可调性：ADJUSTABLE
标称回动电压 1：3 VJESD-30 代码：O-MBCY-W3
JESD-609代码：e0最大电网调整率 (%/V)：0.05
最大负载调整率 (%)：1%输出次数：1
端子数量：3工作温度TJ-Max：150 °C
工作温度TJ-Min：-55 °C最大输出电流 1：0.1 A
最大输出电压 1：57 V最小输出电压 1：1.2 V
封装主体材料：METAL封装等效代码：CAN3/4,.2
封装形状：ROUND封装形式：CYLINDRICAL
认证状态：Not Qualified筛选级别：MIL-STD-883 Class C
子类别：Other Regulators技术：BIPOLAR
端子面层：Tin/Lead (Sn/Pb)端子形式：WIRE
端子位置：BOTTOMBase Number Matches：1

LM117HVH/883 数据手册

 浏览型号LM117HVH/883的Datasheet PDF文件第2页浏览型号LM117HVH/883的Datasheet PDF文件第3页浏览型号LM117HVH/883的Datasheet PDF文件第4页浏览型号LM117HVH/883的Datasheet PDF文件第5页浏览型号LM117HVH/883的Datasheet PDF文件第6页浏览型号LM117HVH/883的Datasheet PDF文件第7页 
April 2000  
LM117HV/LM317HV  
3-Terminal Adjustable Regulator  
Also, it makes an especially simple adjustable switching  
regulator, a programmable output regulator, or by connecting  
a fixed resistor between the adjustment and output, the  
LM117HV can be used as a precision current regulator. Sup-  
plies with electronic shutdown can be achieved by clamping  
the adjustment terminal to ground which programs the out-  
put to 1.2V where most loads draw little current.  
General Description  
The LM117HV/LM317HV are adjustable 3-terminal positive  
voltage regulators capable of supplying in excess of 1.5A  
over a 1.2V to 57V output range. They are exceptionally  
easy to use and require only two external resistors to set the  
output voltage. Further, both line and load regulation are bet-  
ter than standard fixed regulators. Also, the LM117HV is  
packaged in standard transistor packages which are easily  
mounted and handled.  
The LM117HVK STEEL and LM317HVK STEEL are pack-  
aged in standard TO-3 transistor packages, while the  
LM117HVH and LM317HVH are packaged in a solid Kovar  
base TO-39 transistor package. The LM317HVT uses a TO-  
220 plastic package. The LM117HV is rated for operation  
from −55˚C to +150˚C, and the LM317HV from 0˚C to  
+125˚C.  
In addition to higher performance than fixed regulators, the  
LM117HV series offers full overload protection available only  
in IC’s. Included on the chip are current limit, thermal over-  
load protection and safe area protection. All overload protec-  
tion circuitry remains fully functional even if the adjustment  
terminal is disconnected.  
Features  
Normally, no capacitors are needed unless the device is situ-  
ated more than 6 inches from the input filter capacitors in  
which case an input bypass is needed. An optional output  
capacitor can be added to improve transient response. The  
adjustment terminal can be bypassed to achieve very high  
ripple rejections ratios which are difficult to achieve with  
standard 3-terminal regulators.  
n Adjustable output down to 1.2V  
n Guaranteed 1.5A output current  
n Line regulation typically 0.01%/V  
n Load regulation typically 0.1%  
n Current limit constant with temperature  
n 100% electrical burn-in  
Besides replacing fixed regulators, the LM117HV is useful in  
a wide variety of other applications. Since the regulator is  
“floating” and sees only the input-to-output differential volt-  
age, supplies of several hundred volts can be regulated as  
long as the maximum input to output differential is not ex-  
ceeded, i.e. do not short the output to ground.  
n Eliminates the need to stock many voltages  
n Standard 3-lead transistor package  
n 80 dB ripple rejection  
n Output is short-circuit protected  
n P+ Product Enhancement tested  
Typical Applications  
1.2V-45V Adjustable Regulator  
DS009062-1  
Full output current not available at high input-output voltages  
†
Optional — improves transient response. Output capacitors in the range of 1 µF to 1000 µF of aluminum or tantalum electrolytic  
are commonly used to provide improved output impedance and rejection of transients.  
*Needed if device is more than 6 inches from filter capacitors.  
© 2000 National Semiconductor Corporation  
DS009062  
www.national.com  
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