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Infineon Technologies TLE4284DV50NTMA1
- Part No.:
- TLE4284DV50NTMA1
- Manufacturer:
- Infineon Technologies
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
TLE4284DV50NTMA1.pdf
- Description:
- IC REG LINEAR 5V 1A TO252-3-11
- Quantity:
- Payment:
- Shipping:
Inventory:3,269
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Product details
Overview
TLE4284DV50NTMA1 from Infineon Technologies is a monolithic NPN linear voltage regulator in PG-TO252-3-11 (DPAK) package, delivering 5.0 V fixed output at up to 1.0 A, with 1.30 V typical dropout at full load, -40 °C to 150 °C junction temperature range, and AEC-Q100 qualification for automotive power supply applications.
For engineers reviewing the TLE4284DV50NTMA1 datasheet, TLE4284DV50NTMA1 pinout, TLE4284DV50NTMA1 application, or TLE4284DV50NTMA1 equivalent, key selection criteria include fixed 5.0 V output accuracy (±50 mV), thermal shutdown behavior at 150 °C, short-circuit current limiting (1000–2200 mA), low-noise operation (30 ppm RMS), and compatibility with 10 µF/≤10 Ω ESR output capacitors.
Technical Context
The TLE4284DV50NTMA1 implements an NPN-based linear regulation architecture with internal reference (1.25 V typ), adjustable via external divider in variable versions-but this variant fixes output at 5.0 V through on-die resistor network. Protection circuitry includes foldback current limiting and thermal shutdown with hysteresis.
It operates across input voltages from (VQ + VDR) up to 40 V, where VDR ranges 1.30–1.40 V at 1.0 A load. Thermal resistance is 78 K/W with 300 mm² heatsink, enabling sustained 1 A delivery under automotive ambient conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0 V ±50 mV (10 mA–1.0 A load, VI = 6.3–40 V) |
| Max Output Current | 1.0 A continuous; current limit activates at 1000–2200 mA depending on VI–VQ |
| Dropout Voltage | 1.30 V typ at 1.0 A (output drops 100 mV below nominal when VI–VQ ≤ 1.30 V) |
| Junction Temp Range | -40 °C to +150 °C - supports engine bay and transmission control unit placement |
| Thermal Resistance | 78 K/W with 300 mm² copper heatsink - enables 1 A operation at TA = 85 °C |
| PSRR | 65 dB at 120 Hz - suppresses alternator ripple without external filtering |
| RMS Output Noise | 30 ppm of VQ (10 Hz–10 kHz) - suitable for analog sensor biasing |
Pinout & Package
Package: PG-TO252-3-11 (DPAK), surface-mount, thermally enhanced with exposed tab connected to Pin 2 (Q/output).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Ground reference; must be low-impedance connection to PCB ground plane |
| 2, Tab | Q (Output) | Main regulated 5.0 V output; connects to heatsink and requires ≥10 µF/≤10 Ω ESR capacitor to GND |
| 3 | I (Input) | Unregulated input (6.3–40 V); routing must minimize inductance to avoid instability |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Qualified | Validated for automotive Grade 0 (-40 °C to +150 °C) operation per stress test requirements |
| Integrated Short-Circuit Protection | Foldback current limiting prevents thermal runaway during sustained output shorts |
| Overtemperature Shutdown | Turns off output at Tj ≥ 150 °C with ~15 °C hysteresis for safe restart |
| Low-ESR Capacitor Support | Stable with 10 µF ceramic or tantalum capacitors (ESR ≤ 10 Ω), reducing BOM count |
| Green Product | RoHS-compliant, halogen-free, and lead-free per JEDEC J-STD-609A |
Applications
| Engine Control Unit (ECU) Power Supply | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Supplies 5.0 V to microcontroller core logic and CAN transceivers in gasoline/diesel ECUs. IC Role / Device Role / Timing Role: Primary 5.0 V linear regulator for safety-critical MCU domain; replaces discrete LDO+protection circuits. Use Value: Maintains regulation down to 6.3 V input during cranking; thermal shutdown prevents latch-up during oil-cooler failure. | Use Scenario: Powers solenoid driver ICs and position sensors inside automatic transmission assemblies. IC Role / Device Role / Timing Role: High-reliability 5.0 V source for real-time actuator control subsystems. Use Value: Withstands 40 V load-dump transients and delivers stable 1 A without external crowbar protection. |
| Body Control Module (BCM) | Advanced Driver Assistance Systems (ADAS) Camera Power |
Use Scenario: Provides 5.0 V to door module MCUs, LIN transceivers, and LED drivers. IC Role / Device Role / Timing Role: Centralized low-noise supply for mixed-signal body electronics. Use Value: 30 ppm RMS noise ensures clean ADC references for window position sensing and battery monitoring. | Use Scenario: Powers image signal processor (ISP) and CMOS sensor in rear-view camera modules. IC Role / Device Role / Timing Role: Low-noise, high-PSRR 5.0 V rail decoupled from noisy 12 V vehicle bus. Use Value: 65 dB PSRR at 120 Hz eliminates alternator-induced banding artifacts in video output. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output automotive LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73350PDBVR | 300 mA max output, 170 mV dropout, SOT-23-5 package | Limited to low-power infotainment peripherals; lacks AEC-Q100 qualification | Select only for non-safety-critical sub-500 mA loads where board space is constrained |
| TPS7B8750QKVURQ1 | 1.5 A output, 300 mV dropout, integrated enable and reset, wettable flank QFN | Higher integration for next-gen ADAS domains; requires different PCB layout and thermal design | Prefer for new designs needing higher current headroom and functional safety features (ISO 26262 ASIL-B ready) |
Compared with TLV73350PDBVR and TPS7B8750QKVURQ1, the TLE4284DV50NTMA1 offers proven AEC-Q100 reliability at 1 A with minimal external components, making it optimal for cost-sensitive, thermally demanding legacy automotive modules where footprint and qualification maturity outweigh ultra-low dropout needs.
Availability
TLE4284DV50NTMA1 is available at Aetrix Electronics and suitable for Engine Control Units, Transmission Control Modules, and Body Control Modules requiring stable component supply across extended automotive temperature and voltage stress conditions.
Supply support for TLE4284DV50NTMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global manufacturing and qualification infrastructure.
The TLE4284 series belongs to Infineon's automotive linear regulator product line, designed specifically for robust, high-temperature power delivery in engine, transmission, and chassis control systems.
FAQ
What is the minimum input voltage required for regulation at full 1.0 A load?
The minimum input voltage is VQ + VDR, where VQ = 5.0 V and VDR = 1.30 V (typ) at 1.0 A. Thus, VI ≥ 6.3 V is required to maintain regulation. Below this, output voltage collapses linearly with input reduction, confirmed in Table 4 operating range and dropout characterization.
Can TLE4284DV50NTMA1 be used without an output capacitor?
No. The datasheet mandates a minimum 10 µF output capacitor with ESR ≤ 10 Ω connected between Pin 2 (Q) and Pin 1 (GND) for stability and transient response. Omission causes oscillation and potential thermal shutdown due to uncontrolled output impedance, as specified in Table 1 pin definitions and Figure 2 layout guidance.
Does this device support reverse battery protection?
No. TLE4284DV50NTMA1 has no built-in reverse-polarity protection. Input voltage polarity must be strictly maintained; applying -0.3 V or lower to Pin 3 (I) relative to GND risks permanent damage, as stated in Table 3 Absolute Maximum Ratings for VI.
How does thermal shutdown behave during repeated fault events?
Upon reaching Tj = 150 °C, the device disables output and remains off until junction temperature falls by ~15 °C (hysteresis). This prevents cycling during sustained overload; recovery requires passive cooling or reduced load, verified in Functional Description section and thermal protection block diagram (AES02840).
TLE4284DV50NTMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- OPTIREG™
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 1.4V @ 1A
- Current - Output:
- 1A
- Current - Quiescent (Iq):
- 1.6 mA
- Current - Supply (Max):
- -
- PSRR:
- 65dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-TO252-3-11
TLE4284DV50NTMA1 FAQ
1.How can I place an order for TLE4284DV50NTMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE4284DV50NTMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLE4284DV50NTMA1 reliable?
The price and inventory of TLE4284DV50NTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4284DV50NTMA1 is usually 5 days.
3.What payment methods are accepted for TLE4284DV50NTMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4284DV50NTMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE4284DV50NTMA1?
TLE4284DV50NTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE4284DV50NTMA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLE4284DV50NTMA1?
For technical support, including TLE4284DV50NTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4284DV50NTMA1 requirements.
6.How does Aetrix verify that TLE4284DV50NTMA1 is sourced from the original manufacturer or authorized distributors?
All TLE4284DV50NTMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLE4284DV50NTMA1 meets industry standards.
7.What is the process for return or replacement of TLE4284DV50NTMA1?
All TLE4284DV50NTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4284DV50NTMA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLE4284DV50NTMA1 part is unused and in its original packaging.
Return procedure for TLE4284DV50NTMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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