LM317AHV

Manufacturer Part NumberLM317AHV
DescriptionThis monolithic integrated circuit is an adjustable 3-terminal positive voltage regulator designed to supply more than 1
ManufacturerFairchild Semiconductor
LM317AHV datasheet
 


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LM317AHV
3-Terminal Positive Adjustable Regulator
Features
• Output Current in Excess of 1.5A
• Output Adjustable Between 1. 2V and 57V
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe Area Compensation
• TO-220 Package
Internal Block Diagram
Vin
3
Input
©2011 Fairchild Semiconductor Corporation
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 57V. It employs internal current limiting, thermal shut
down and safe area compensation.
TO-220 (Single Gauge)
1
1. Adj 2. Output 3. Input
+
-
Protection
Voltage
Circuitry
Reference
1
Vadj
www.fairchildsemi.com
Output
2 3
Rlimit
2
Vo
Output
Rev. 1.0.4

LM317AHV Summary of contents

  • Page 1

    ... LM317AHV 3-Terminal Positive Adjustable Regulator Features • Output Current in Excess of 1.5A • Output Adjustable Between 1. 2V and 57V • Internal Thermal Overload Protection • Internal Short Circuit Current Limiting • Output Transistor Safe Area Compensation • TO-220 Package Internal Block Diagram Vin ...

  • Page 2

    ... LM317AHV Absolute Maximum Ratings Parameter Input-Output Voltage Differential Lead Temperature Power Dissipation Operating Junction Temperature Range Storage Temperature Range Temperature Coefficient of Output Voltage Electrical Characteristics = 0.5A, 0°C ≤ =5V Parameter Line Regulation (Note1) Load Regulation (Note1) Adjustable Pin Current ...

  • Page 3

    ... Typical Performance Characteristics TEMPERATURE (°C) Figure 1. Load Regulation TEMPERATURE (°C) Figure 3. Dropout Voltage TEMPERATURE (°C) Figure 2. Adjustment Current TEMPERATURE (°C) Figure 4. Reference Voltage LM317AHV 3 ...

  • Page 4

    ... LM317AHV Typical Application • required when regulator is located an appreciable distance from power supply filter not needed for stability, however, it does improve transient response. o Since I is controlled to less than 100μA, the error associated with this term is negligible in most applications. ...

  • Page 5

    ... Mechanical Dimensions Package TO-220 [ SINGLE GAUGE ] Dimensions in millimeters LM317AHV 5 ...

  • Page 6

    ... LM317AHV Ordering Information Product Number LM317AHVT TO-220 (Single Gauge) DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...