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NCV317BTG

Adjustable 3-terminal positive voltage regulator

The NCV317BTG is a adjustable 3-terminal positive voltage regulator from Texas Instruments. View the full NCV317BTG datasheet below including electrical characteristics, absolute maximum ratings.

Manufacturer

Texas Instruments

Category

Adjustable 3-terminal positive voltage regulator

Overview

Part: LM317, NCV317 from onsemi

Type: Adjustable Positive Voltage Regulator

Description: The LM317 is an adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V, featuring internal current limiting, thermal shutdown, and safe area compensation.

Operating Conditions:

  • Supply voltage: 3.0–40 V (Input-Output Differential)
  • Operating temperature: -55 to +150 °C (Junction)
  • Output voltage range: 1.2 V to 37 V

Absolute Maximum Ratings:

  • Max supply voltage: 40 V (Input-Output Voltage Differential)
  • Max continuous current: 1.5 A (Output)
  • Max junction/storage temperature: +150 °C

Key Specs:

  • Output Voltage Range: 1.2 V to 37 V
  • Maximum Output Current (I_max): 1.5 A (Min, V_I - V_O ≤ 15 V, P_D ≤ P_max, T Package)
  • Reference Voltage (V_ref): 1.2 V (Min) to 1.3 V (Max)
  • Line Regulation: 0.04 %/V (Max, T_A = +25 °C, 3.0 V ≤ V_I - V_O ≤ 40 V)
  • Load Regulation: 25 mV (Max, T_A = +25 °C, 10 mA ≤ I_O ≤ I_max, V_O ≤ 5.0 V)
  • Adjustment Pin Current (I_Adj): 100 μA (Max)
  • Minimum Load Current to Maintain Regulation (I_Lmin): 10 mA (Max, V_I - V_O = 40 V)
  • Ripple Rejection (RR): 66 dB (Min, V_O = 10 V, f = 120 Hz, Without C_Adj)

Features:

  • Output Adjustable between 1.2 V and 37 V
  • Output Current in Excess of 1.5 A
  • Internal Thermal Overload Protection
  • Output Transistor Safe-Area Compensation
  • Internal Short Circuit Current Limiting Constant with Temperature
  • Floating Operation for High Voltage Applications
  • Available in Surface Mount D2PAK-3, and Standard 3-Lead Transistor Package
  • Eliminates Stocking many Fixed Voltages
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
  • These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant

Applications:

  • Local, on card regulation
  • Programmable output regulator
  • Precision current regulator

Package:

  • D2PAK-3
  • TO-220

Features

  • Output Adjustable between 1.2 V and 37 V
  • Output Current in Excess of 1.5 A
  • Internal Thermal Overload Protection
  • Output Transistor Safe -Area Compensation
  • Internal Short Circuit Current Limiting Constant with Temperature
  • Floating Operation for High Voltage Applications
  • Available in Surface Mount D 2 PAK -3, and Standard 3 -Lead Transistor Package
  • Eliminates Stocking many Fixed Voltages
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC -Q100 Qualified and PPAP Capable
  • These Devices are Pb -Free, Halogen Free/BFR Free and are RoHS Compliant

Since I Adj is controlled to less than 100 m A, the error associated with this term is negligible in most applications.

Electrical Characteristics

(V I -VO = 5.0 V; I O = 0.5 A for D2T and T packages; T J = T low to T high (Note 1); I max and P max (Note 2); unless otherwise noted.)

CharacteristicsFigureSymbolMinTypMaxUnit
Line Regulation (Note 3), T A = +25 ° C, 3.0 V ≤ V I - V O ≤ 40 V1Reg line-0.010.04%/V
Load Regulation (Note 3), T A = +25 ° C, 10 mA ≤ I O ≤ I max V O ≤ 5.0 V V O ≥ 5.0 V2Reg load- -5.0 0.125 0.5mV %V O
Thermal Regulation, T A = +25 ° C (Note 4), 20 ms Pulse-Reg therm-0.030.07%V O /W
Adjustment Pin Current3I Adj-50100m A
Adjustment Pin Current Change, 2.5 V ≤ V I - V O ≤ 40 V, 10 mA ≤ I L ≤ I max , P D ≤ P max1, 2D I Adj-0.25.0m A
Reference Voltage, 3.0 V ≤ V I - V O ≤ 40 V, 10 mA ≤ I O ≤ I max , P D ≤ P max3V ref1.21.251.3V
Line Regulation (Note 3), 3.0 V ≤ V I - V O ≤ 40 V1Reg line-0.020.07%/V
Load Regulation (Note 3), 10 mA ≤ I O ≤ I max V O ≤ 5.0 V V O ≥ 5.0 V2Reg load- -20 0.370 1.5mV %V O
Temperature Stability (T low ≤ T J ≤ T high )3T S-0.7-%V O
Minimum Load Current to Maintain Regulation (V I - V O = 40 V)3I Lmin-3.510mA
Maximum Output Current V I - V O ≤ 15 V, P D ≤ P max, T Package V I - V O = 40 V, P D ≤ P max , T A = +25 ° C, T Package3I max1.5 0.152.2 0.4- -A
RMS Noise, %of V O , T A = +25 ° C, 10 Hz ≤ f ≤ 10 kHz-N-0.003-%V O
Ripple Rejection, V O = 10 V, f = 120 Hz (Note 5) Without C Adj C Adj = 10 m F4RR- 6665 80- -dB
Thermal Shutdown (Note 6)---180-° C
Long - Term Stability, T J = T high (Note 7), T A = +25 ° C for Endpoint Measurements3S-0.31.0%/1.0 kHrs.
Thermal Resistance Junction - to - Case, T Package-R q JC-5.0-° C/W

Absolute Maximum Ratings

RatingSymbolValueUnit
Input - Output Voltage DifferentialV I - V O- 0.3 to 40Vdc
Power Dissipation
Case 221A
T A = +25 ° CP DInternally LimitedW
Thermal Resistance, Junction - to - Ambientq JA65° C/W
Thermal Resistance, Junction - to - Caseq JC5.0° C/W
Case 936 (D 2 PAK - 3)
T A = +25 ° CP DInternally LimitedW
Thermal Resistance, Junction - to - Ambientq JA70° C/W
Thermal Resistance, Junction - to - Caseq JC5.0° C/W
Operating Junction Temperature RangeT J- 55 to +150° C
Storage Temperature RangeT stg- 65 to +150° C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected.

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
LM317Texas Instruments
LM317,Texas Instruments
LM317BD2TGTexas Instruments
LM317BD2TR4GTexas Instruments
LM317BTTexas Instruments
LM317BTGTexas Instruments
LM317D2TGTexas Instruments
LM317D2TR4GTexas Instruments
LM317TTexas InstrumentsD²PAK-3
LM317TGTexas Instruments
NCV317BD2TGTexas Instruments
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