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LM317DCYR 3-Terminal Adjustable Regulator Electronics Ic Chip

Good quality Programmable IC Chips for sales
Good quality Programmable IC Chips for sales
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LM317DCYR 3-Terminal Adjustable Regulator Electronics Ic Chip

China LM317DCYR 3-Terminal Adjustable Regulator Electronics Ic Chip supplier

Large Image :  LM317DCYR 3-Terminal Adjustable Regulator Electronics Ic Chip

Product Details:

Place of Origin: original factory
Brand Name: anterwell
Certification: new & original
Model Number: LM317DCYR

Payment & Shipping Terms:

Minimum Order Quantity: 10pcs
Price: Negotiate
Packaging Details: Please contact me for details
Payment Terms: Western Union, T/T, MoneyGram
Supply Ability: 5000pcs
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Detailed Product Description
Output Voltage Range: 1.25V To 37 V Output Curren: 1.5A
Package: SOT-223-4 Current Output: 1.5A
Maximum Input Voltage: - 40 V Min Input Voltage: - 4.2 V
Working Temperature Range: 0°C-+ 125 °C Series: LM317
Packing: Reel Factory Packing Quantity: 2500

 

 

LM317DCYR 3-TERMINAL ADJUSTABLE REGULATOR

 

 

 

FEATURES

 

Output Voltage Range Adjustable From 1.25 V

Thermal Overload Protection to 37 V

Output Safe-Area Compensation

Output Current Greater Than 1.5 A

 Internal Short-Circuit Current Limiting

 

LM317DCYR 3-Terminal Adjustable Regulator Electronics Ic Chip

 

 

 

 

DESCRIPTION/ORDERING INFORMATION

 

LM317 3-TERMINAL ADJUSTABLE REGULATOR SLVS044R–SEPTEMBER 1997–REVISED APRIL 2007 • Output Voltage Range Adjustable From 1.25 V • Thermal Overload Protection to 37 V • Output Safe-Area Compensation • Output Current Greater Than 1.5 A • Internal Short-Circuit Current Limiting The LM317 is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It is exceptionally easy to use and requires only two external resistors to set the output voltage. Furthermore, both line and load regulation are better than standard fixed regulators.

 

In addition to having higher performance than fixed regulators, this device includes on-chip current limiting, thermal overload protection, and safe operating-area protection. All overload protection remains fully functional, even if the ADJUST terminal is disconnected.

 

The LM317 is versatile in its applications, including uses in programmable output regulation and local on-card regulation. Or, by connecting a fixed resistor between the ADJUST and OUTPUT terminals, the LM317 can function as a precision current regulator. An optional output capacitor can be added to improve transient response. The ADJUST terminal can be bypassed t

 

 

ORDERING INFORMATION(1)

 

 

TA           PACKAGE(2)  ORDERABLE PART NUMBER TOP-SIDE MARKING
0°C to 125°C PowerFLEX™ – KTE Reel of 2000 LM317KTER LM317
SOT-223 – DCY Tube of 80 LM317DCY L3
Reel of 2500 LM317DCYR
TO-220– KC Tube of 50 LM317KC LM317
TO-220, short shoulder – KCS Tube of 20 LM317KCS 
TO-263 – KTT Reel of 500 LM317KTTR LM317

 

 

 

LM317DCYR 3-Terminal Adjustable Regulator Electronics Ic Chip

 

 

Absolute Maximum Ratings (1)

over virtual junction temperature range (unless otherwise noted)

 

    MIN   MAX UNIT
VI – VO Input-to-output differential voltage            40    V
TJ Operating virtual junction temperature           150   °C
Lead temperature 1,6 mm (1/16 in) from case for 10 s           260   °C
Tstg Storage temperature range           150   °C

 

(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

 

 

Package Thermal Data (1)

 

PACKAGE BOARD θJA θJC θJP (2)
PowerFLEX™ (KTE) High K, JESD 51-5 23°C/W 3°C/W  
SOT-223 (DCY) High K, JESD 51-7 53°C/W 30.6°C/W  
TO-220 (KC/KCS) High K, JESD 51-5 19°C/W 17°C/W 3°C/W
TO-263 (KTT) High K, JESD 51-5 25.3°C/W 18°C/W 1.94°C/W

 

(1) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

(2) For packages with exposed thermal pads, such as QFN, PowerPAD™, or PowerFLEX™, θJP is defined as the thermal resistance between the die junction and the bottom of the exposed pad

 

 

 

Recommended Operating Conditions

 

  MIN    MAX UNIT
VO Input-to-output differential voltage  3        40    V
IO Output current           1.5    A
TJ Operating virtual junction temperature  0       125    °C

 

 

Electrical Characteristics

over recommended ranges of operating virtual junction temperature (unless otherwise noted)

 

 

PARAMETER TEST CONDITIONS(1) MIN    TYP  MAX  UNIT
Line regulation(2) VI – VO = 3 V to 40 V   TJ = 25°C           0.01   0.04   %/V
TJ = 0°C to 125°C            0.02  0.07
Load regulation O = 10 mA to 1500 mA TJ = 25°C VO ≤ 5 V                                                             25   mV
VO ≥ 5 V               0.1    0.5  %VO
TJ = 0°C to 125°C VO ≤ 5 V                20    70   mV
VO ≥ 5 V               0.3     1.5  %VO
Thermal regulation 20-ms pulse, TJ = 25°C                  0.03     0.07  %VO/W
ADJUST terminal current                     50       100    µA

Change in

ADJUST terminal current

VI – VO = 2.5 V to 40 V, PD ≤ 20 W, IO = 10 mA to 1500 mA                    0.2        5    µA
Reference voltage VI – VO = 3 V to 40 V, PD ≤ 20 W, IO = 10 mA to 1500 mA      1.2       1.25       1.3    V

Output-voltage

temperature stability

TJ = 0°C to 125°C                   0.7  %VO

Minimum load current

to maintain regulation

VI – VO = 40 V                   3.5          10  mA
Maximum output current VI – VO ≤ 15 V, PD < PMAX (4)      1.5        2.2   A
VI – VO ≤ 40 V, PD < PMAX (4) , TJ = 25°C      0.15      0.4
RMS output noise voltage(% of VO) = 10 Hz to 10 kHz, TJ = 25°C                 0.003   %VO
Ripple rejection VO = 10 V, f = 120 Hz   CADJ = 0 µF(3)              57    dB 
  CADJ = 10 µF(3)  62        64
Long-term stability TJ = 25°C                   0.3           1 %/1k hr 

 

(1) Unless otherwise noted, the following test conditions apply: |VI – VO| = 5 V and IOMAX = 1.5 A, TJ = 0°C to 125°C. Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. (2) Line regulation is expressed here as the percentage change in output voltage per 1-V change at the input. (3) CADJ is connected between the ADJUST terminal and GND. (4) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

 

 

 

 

 

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