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Texas Instruments TL750M05CKTTR
- Part No.:
- TL750M05CKTTR
- Manufacturer:
- Texas Instruments
- Package:
- TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
- Datasheet:
-
TL750M05CKTTR.pdf
- Description:
- IC REG LIN 5V 750MA DDPAK/TO263
- Quantity:
- Payment:
- Shipping:
Inventory:1,081
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Product details
Overview
TL750M05CKTTR from Texas Instruments is a 5-V, 750-mA low-dropout linear voltage regulator in TO-263 (KTT) package, featuring dropout voltage <0.6 V at full load, 60-V load-dump protection, and internal thermal/overcurrent limiting. It is designed for battery-powered systems requiring stable 5-V supply under transient stress, such as automotive body control modules and industrial backup power rails.
For engineers reviewing the TL750M05CKTTR datasheet, TL750M05CKTTR pinout, TL750M05CKTTR application, or TL750M05CKTTR equivalent, key selection criteria include dropout performance at 750 mA, load-dump survivability up to 60 V, thermal impedance (27.5°C/W junction-to-ambient), and compatibility with 10-µF tantalum output capacitors meeting ESR stability requirements.
Technical Context
The TL750M05CKTTR implements a bandgap-referenced series-pass architecture with integrated overvoltage shutdown, current-limiting circuitry, and thermal overload protection. Its regulation loop relies on external output capacitance (minimum 10 µF tantalum) with ESR between 0.13 Ω and 2 Ω for stability across 0–750 mA load range.
It operates over 0°C to 125°C virtual junction temperature and supports input voltages from 6 V to 26 V DC, with transient tolerance up to +60 V for 100 ms and reverse-battery survival down to –50 V for same duration - critical for automotive 12-V battery environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.0 V ±1% (4.95–5.05 V at 25°C; 4.9–5.1 V over 0–125°C) - ensures logic-level compatibility with 5-V microcontrollers and peripherals. |
| Max Output Current | 750 mA continuous - supports moderate-power analog/digital subsystems without external pass devices. |
| Dropout Voltage | 0.6 V max at 750 mA - enables operation with only 5.6-V input, extending usable battery life in 6–26-V input systems. |
| Load-Dump Protection | Withstands +60-V transients for 100 ms - meets ISO 7637-2 Pulse 5a requirements for automotive power networks. |
| Quiescent Current | 75 mA max at 750 mA load - maintains low standby power in always-on vehicle modules. |
| Ripple Rejection | 50–55 dB at 120 Hz - suppresses alternator ripple in automotive applications without additional filtering. |
| Thermal Impedance | 27.5°C/W (qJA, KTT package) - defines maximum power dissipation (≈2.2 W at TA = 85°C) before thermal shutdown. |
Pinout & Package
TL750M05CKTTR uses a 3-pin TO-263 (KTT) surface-mount package with exposed thermal pad. The mounting base (tab) is electrically connected to the COMMON pin, requiring isolation from chassis ground unless referenced to system common.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INPUT) | Regulator input | Accepts 6–26 V DC; must be decoupled with ≥0.1 µF ceramic capacitor close to pin. |
| 2 (COMMON) | Ground reference & thermal path | Internally tied to exposed metal tab; requires PCB copper pour and thermal vias for heat dissipation. |
| 3 (OUTPUT) | Regulated 5-V output | Delivers up to 750 mA; requires 10 µF tantalum output capacitor with ESR 0.13–2 Ω for stability. |
Key Features
| Feature | Design Value |
|---|---|
| Low dropout voltage | ≤0.6 V at 750 mA enables operation from weak or aging batteries in portable/automotive systems. |
| Integrated 60-V load-dump protection | Eliminates need for external TVS diodes in automotive front-end power supplies, reducing BOM count and board space. |
| Reverse-battery tolerance | Survives –50 V for 100 ms, protecting against accidental battery reversal during service or jump-start scenarios. |
| Thermal and overcurrent shutdown | Self-protecting behavior prevents damage during short-circuit or overheating events without external sensing circuitry. |
| Stable with low-ESR tantalum capacitors | Validated for 10 µF tantalum output caps (e.g., AVX TAJB156M010S), simplifying design versus ceramic-capacitor-dependent LDOs. |
Applications
| Automotive Body Control Unit | Industrial Backup Power Supply |
|---|---|
Use Scenario: Powering microcontroller, CAN transceiver, and sensor interface in door module or lighting controller subject to cold-crank and load-dump events. IC Role / Device Role / Timing Role: Primary 5-V LDO supplying core logic and I/O; acts as fault-tolerant voltage source during battery transients. Use Value: 60-V load-dump immunity and –50-V reverse-battery rating eliminate need for external protection components, reducing cost and improving reliability. | Use Scenario: Maintaining RTC, SRAM, and watchdog circuitry during main power failure in programmable logic controllers or HMIs. IC Role / Device Role / Timing Role: Standby regulator delivering regulated 5 V from supercapacitor or backup battery with ultra-low quiescent current. Use Value: 75 mA max bias current at full load extends hold-up time from energy-limited backup sources without sacrificing regulation accuracy. |
| Portable Medical Monitor | Telecom Remote Terminal |
Use Scenario: Providing clean 5-V rail to ADC, display driver, and wireless BLE module in battery-operated patient vitals monitor. IC Role / Device Role / Timing Role: Low-noise, low-dropout regulator ensuring stable analog front-end performance during battery discharge. Use Value: 500 µV RMS output noise (10 Hz–100 kHz) and <1% output voltage drift over temperature preserve signal integrity in precision measurement paths. | Use Scenario: Powering Ethernet PHY and microcontroller in outdoor DSL/cable modem terminal units exposed to wide ambient temperature swings. IC Role / Device Role / Timing Role: Main 5-V supply operating across –40°C to +85°C ambient with guaranteed 125°C junction limit. Use Value: Specified operation to 125°C virtual junction temperature ensures uninterrupted function in sealed, thermally constrained enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-dropout regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL750M05CKCS | Same electrical specs; TO-220 (KCS) through-hole package with higher qJA (28.7°C/W) and no exposed thermal pad. | Suitable for prototyping or low-volume boards where manual assembly or heatsink mounting is preferred. | Select TL750M05CKCS when thermal management via external heatsink is feasible and surface-mount constraints do not apply. |
| TL750M05CKVURG3 | Same electrical specs; TO-252 (KVU) package with 50.9°C/W qJA and smaller footprint than KTT but lower thermal performance. | Better suited for space-constrained consumer electronics where moderate power dissipation (<1.2 W) is acceptable. | Choose TL750M05CKVURG3 when board area is critical and peak load current remains below 400 mA to avoid thermal throttling. |
Compared with TL750M05CKTTR, TL750M05CKCS offers easier thermal retrofitting via heatsinks but larger board footprint, while TL750M05CKVURG3 saves area at the expense of thermal headroom - TL750M05CKTTR uniquely balances high-current capability (750 mA), low thermal resistance (27.5°C/W), and surface-mount manufacturability.
Availability
TL750M05CKTTR is available at Aetrix Electronics and suitable for automotive body electronics, industrial backup power systems, and portable medical instrumentation requiring stable component supply with long-term lifecycle support.
Supply support for TL750M05CKTTR 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management technologies, with decades of automotive-grade product validation.
The TL750M series was engineered specifically for battery-powered systems needing robust transient protection and low-quiescent operation - targeting automotive, industrial, and portable equipment where reliability under voltage stress is non-negotiable.
FAQ
What is the minimum input voltage required for TL750M05CKTTR to regulate 5 V at 750 mA?
The TL750M05CKTTR requires a minimum input voltage of 5.6 V to maintain regulation at 750 mA load, based on its maximum dropout voltage of 0.6 V. Per recommended operating conditions, VI must be ≥6 V to ensure margin across temperature and process variation. Below 6 V, output voltage drops linearly with input.
Does TL750M05CKTTR require an external capacitor on the INPUT pin, and if so, what value and type?
Yes, TL750M05CKTTR requires a minimum 0.1-µF ceramic capacitor placed as close as possible to the INPUT pin. This capacitor stabilizes the input supply during fast load transients and prevents oscillation due to source inductance. X7R or C0G dielectrics are recommended for temperature stability.
Can TL750M05CKTTR be used in automotive applications with ISO 7637-2 compliance requirements?
Yes, TL750M05CKTTR is explicitly rated for 60-V load-dump transients (100 ms) and –50-V reverse-battery events, satisfying ISO 7637-2 Pulse 5a and reverse-polarity test conditions. It is widely deployed in automotive body control modules and infotainment power supplies without supplemental protection.
What is the recommended output capacitor for TL750M05CKTTR, and why is ESR important?
The recommended output capacitor is 10 µF tantalum (e.g., AVX TAJB156M010S) with ESR between 0.13 Ω and 2 Ω. ESR critically affects loop stability: too low causes overshoot/oscillation; too high degrades transient response. Figure 1 in the datasheet defines exact ESR bounds per load current.
Is TL750M05CKTTR pin-compatible with other regulators in the TL750M family, such as TL750M08CKTTR?
Yes, all TL750MxxCKTTR variants (05/08/10/12 V) share identical TO-263 (KTT) pinout, package dimensions, and thermal pad layout. Only the output voltage differs - enabling drop-in replacement in designs where voltage scaling is needed without PCB revision.
TL750M05CKTTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 26V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.6V @ 750mA
- Current - Output:
- 750mA
- Current - Quiescent (Iq):
- -
- Current - Supply (Max):
- -
- PSRR:
- 55dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature, Over Voltage, Reverse Polarity
- Operating Temperature:
- 0°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-263 (DDPAK-3)
TL750M05CKTTR FAQ
1.How can I place an order for TL750M05CKTTR through Aetrix?
Please submit a Request for Quotation (RFQ) for TL750M05CKTTR 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 TL750M05CKTTR reliable?
The price and inventory of TL750M05CKTTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL750M05CKTTR is usually 5 days.
3.What payment methods are accepted for TL750M05CKTTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL750M05CKTTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL750M05CKTTR?
TL750M05CKTTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL750M05CKTTR 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 TL750M05CKTTR?
For technical support, including TL750M05CKTTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL750M05CKTTR requirements.
6.How does Aetrix verify that TL750M05CKTTR is sourced from the original manufacturer or authorized distributors?
All TL750M05CKTTR 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 TL750M05CKTTR meets industry standards.
7.What is the process for return or replacement of TL750M05CKTTR?
All TL750M05CKTTR units undergo pre-shipment inspection (PSI). If there is an issue with TL750M05CKTTR, 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 TL750M05CKTTR part is unused and in its original packaging.
Return procedure for TL750M05CKTTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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