器件名称: LM317D2TXM
功能描述: 3-Terminal Positive Adjustable Regulator
文件大小: 578.2KB 共5页
简 介:LM317 3-Terminal Positive Adjustable Regulator
March 2000 Revised June 2005
LM317 3-Terminal Positive Adjustable Regulator
General Description
This monolithic integrated circuit is an adjustable 3-terminal positive voltage regulator designed to supply more than 1.5A of load current with an output voltage adjustable over a 1.2 to 37V. It employs internal current limiting, thermal shut-down and safe area compensation.
Features
s Output Current In Excess of 1.5A s Output Adjustable Between 1.2V and 37V s Internal Thermal Overload Protection s Internal Short Circuit Current Limiting s Output Transistor Safe Operating Area Compensation s TO-220 Package s D2 PAK Package
Ordering Code:
Product Number LM317T LM317D2TXM Package TO-220 D2 PAK Operating Temperature 0qC to 125qC 0qC to 125qC
Connection Diagrams
Internal Block Diagram
2005 Fairchild Semiconductor Corporation
DS400281
www.fairchildsemi.com
LM317
Absolute Maximum Ratings
Parameter Input-Output Voltage Differential Lead Temperature Power Dissipation Operating Junction Temperature Range Storage Temperature Range Temperature Coefficient of Output Voltage Symbol VI - VO TLEAD PD Tj TSTG Value 40 230 Internally limited 0 a 125 Unit V
qC
W
'VO/'T
65 a 125 r0.02
qC qC % / qC
Note 1: Absolute Maximum Ratings: are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not g……
