NCV317BTG
Adjustable 3-terminal positive voltage regulatorThe 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.)
| Characteristics | Figure | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Line Regulation (Note 3), T A = +25 ° C, 3.0 V ≤ V I - V O ≤ 40 V | 1 | Reg line | - | 0.01 | 0.04 | %/V |
| Load Regulation (Note 3), T A = +25 ° C, 10 mA ≤ I O ≤ I max V O ≤ 5.0 V V O ≥ 5.0 V | 2 | Reg load | - - | 5.0 0.1 | 25 0.5 | mV %V O |
| Thermal Regulation, T A = +25 ° C (Note 4), 20 ms Pulse | - | Reg therm | - | 0.03 | 0.07 | %V O /W |
| Adjustment Pin Current | 3 | I Adj | - | 50 | 100 | m A |
| Adjustment Pin Current Change, 2.5 V ≤ V I - V O ≤ 40 V, 10 mA ≤ I L ≤ I max , P D ≤ P max | 1, 2 | D I Adj | - | 0.2 | 5.0 | m A |
| Reference Voltage, 3.0 V ≤ V I - V O ≤ 40 V, 10 mA ≤ I O ≤ I max , P D ≤ P max | 3 | V ref | 1.2 | 1.25 | 1.3 | V |
| Line Regulation (Note 3), 3.0 V ≤ V I - V O ≤ 40 V | 1 | Reg line | - | 0.02 | 0.07 | %/V |
| Load Regulation (Note 3), 10 mA ≤ I O ≤ I max V O ≤ 5.0 V V O ≥ 5.0 V | 2 | Reg load | - - | 20 0.3 | 70 1.5 | mV %V O |
| Temperature Stability (T low ≤ T J ≤ T high ) | 3 | T S | - | 0.7 | - | %V O |
| Minimum Load Current to Maintain Regulation (V I - V O = 40 V) | 3 | I Lmin | - | 3.5 | 10 | mA |
| 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 Package | 3 | I max | 1.5 0.15 | 2.2 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 F | 4 | RR | - 66 | 65 80 | - - | dB |
| Thermal Shutdown (Note 6) | - | - | - | 180 | - | ° C |
| Long - Term Stability, T J = T high (Note 7), T A = +25 ° C for Endpoint Measurements | 3 | S | - | 0.3 | 1.0 | %/1.0 kHrs. |
| Thermal Resistance Junction - to - Case, T Package | - | R q JC | - | 5.0 | - | ° C/W |
Absolute Maximum Ratings
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Input - Output Voltage Differential | V I - V O | - 0.3 to 40 | Vdc |
| Power Dissipation | |||
| Case 221A | |||
| T A = +25 ° C | P D | Internally Limited | W |
| Thermal Resistance, Junction - to - Ambient | q JA | 65 | ° C/W |
| Thermal Resistance, Junction - to - Case | q JC | 5.0 | ° C/W |
| Case 936 (D 2 PAK - 3) | |||
| T A = +25 ° C | P D | Internally Limited | W |
| Thermal Resistance, Junction - to - Ambient | q JA | 70 | ° C/W |
| Thermal Resistance, Junction - to - Case | q JC | 5.0 | ° C/W |
| Operating Junction Temperature Range | T J | - 55 to +150 | ° C |
| Storage Temperature Range | T 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 Number | Manufacturer | Package |
|---|---|---|
| LM317 | Texas Instruments | — |
| LM317, | Texas Instruments | — |
| LM317BD2TG | Texas Instruments | — |
| LM317BD2TR4G | Texas Instruments | — |
| LM317BT | Texas Instruments | — |
| LM317BTG | Texas Instruments | — |
| LM317D2TG | Texas Instruments | — |
| LM317D2TR4G | Texas Instruments | — |
| LM317T | Texas Instruments | D²PAK-3 |
| LM317TG | Texas Instruments | — |
| NCV317BD2TG | Texas Instruments | — |
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