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Diodes Incorporated ZXTR1005PD8-13
- Part No.:
- ZXTR1005PD8-13
- Manufacturer:
- Diodes Incorporated
- Package:
- 8-PowerTDFN
- Datasheet:
-
ZXTR1005PD8-13.pdf
- Description:
- IC REG LIN 5V 42MA POWERDI5060-8
- Quantity:
- Payment:
- Shipping:
Inventory:2,240
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Product details
Overview
ZXTR1005PD8-13 from Diodes Incorporated is a high-voltage series linear regulator in PowerDI5060-8 Type B package, delivering fixed 5V ±2% output with up to 50mA continuous current across 10–100V input range. It integrates an enable pin for output toggling and targets PoE-powered network infrastructure where standard LDOs fail due to input voltage constraints.
For engineers reviewing the ZXTR1005PD8-13 datasheet, ZXTR1005PD8-13 pinout, ZXTR1005PD8-13 application, or ZXTR1005PD8-13 equivalent, key selection criteria include input voltage headroom (10–100V), thermal derating at high VIN, enable logic compatibility (open = on, GND = off), and PowerDI5060-8 PCB layout requirements.
Technical Context
This device uses an emitter-follower topology with internal pass transistor and feedback network, enabling regulation without external components beyond input/output capacitors. Its architecture inherently limits dropout voltage but requires careful thermal management above 48V input due to power dissipation constraints.
The EN pin controls output state via voltage threshold: floating (±100nA) enables regulation; pulled to GND (–0.3V to 1V) disables output to ≤1V. Output remains stable under load transients up to 50mA with ≤50mV load regulation and ≤10mV line regulation over full input range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 10V to 100V - supports PoE+ (57V) and legacy telecom (–48V abs) without external step-down stage |
| Output Voltage | 5.0V ±2% - tight tolerance ensures compatibility with 5V logic and USB peripherals in powered devices |
| Max Continuous Output Current | 42mA @ VIN=48V - thermally limited; usable up to 50mA only with ≥50mm×50mm copper pour |
| Quiescent Current | 300–900µA - scales with input voltage; critical for low-power standby modes in always-on network gear |
| Enable Threshold | EN open = on; EN ≤1V = off - compatible with 3.3V/5V GPIO without level-shifting |
| Thermal Resistance θJA | 54.3°C/W (50mm×50mm Cu) - dictates minimum PCB copper area required for safe operation at 100V input |
| PSRR | 57dB @100Hz - suppresses ripple from noisy DC-DC stages upstream in multi-rail systems |
Pinout & Package
Package: PowerDI5060-8 Type B - surface-mount, thermally enhanced plastic package with exposed VIN pad for improved heat transfer; 0.104g mass; UL 94V-0 rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | High-voltage input supply | Must be decoupled with ≥1µF capacitor to GND; connects to exposed thermal pad for heatsinking |
| GND | Power ground reference | Common return path for input, output, and enable; ties to system ground plane |
| VOUT | Regulated 5V output | Requires ≥100nF ceramic capacitor to GND; max 10V absolute rating prevents backfeed damage |
| EN | Enable control input | Open-circuit = enabled; pulled to GND = disabled; no pull-up needed; TTL/CMOS compatible |
| N/C | No connection | Internally unconnected; must remain unconnected on PCB to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Integrated emitter-follower regulator | Eliminates need for external pass transistor and biasing network in high-VIN applications |
| 100V absolute maximum input | Enables direct regulation from PoE (57V), -48V telecom, or industrial 100V bus without pre-regulator |
| ±4% output tolerance over –55°C to +125°C | Guarantees 5V stability across automotive and outdoor telecom operating environments |
| Toggle-enable functionality | Reduces system power by disabling regulator during sleep cycles without removing input supply |
| Lead-free, halogen-free, RoHS-compliant | Meets IPC-JSTD-020 Level 1 moisture sensitivity and green manufacturing requirements |
Applications
| Power over Ethernet (PoE) Powered Devices | Telecom Line Card Power |
|---|---|
|
Use Scenario: Regulating 48–57V PoE input to clean 5V rail for Ethernet PHY, MCU, and interface ICs in IP phones or wireless access points. IC Role / Device Role / Timing Role: Primary 5V local regulator; replaces discrete Zener-transistor solutions with tighter tolerance and lower component count. Use Value: Reduces BOM by 4–6 components versus discrete implementation while maintaining <50mV load regulation at 50mA. |
Use Scenario: Providing isolated 5V supply for control logic on telecom line cards receiving –48V DC from central office. IC Role / Device Role / Timing Role: High-input-voltage linear regulator handling reverse-polarity tolerant operation when –48V is applied to VIN relative to GND. Use Value: Enables single-component solution for 5V generation without transformer-based isolation or switching regulator EMI concerns. |
| Industrial Network Switches | Smart Building Controllers |
|
Use Scenario: Supplying 5V to microcontrollers and sensors in DIN-rail mounted switches operating from 24–100V DC field buses. IC Role / Device Role / Timing Role: Input-tolerant local regulator supporting wide-range DC inputs common in factory automation power distribution. Use Value: Eliminates need for external transient protection before regulation, as device withstands 100V surges per ABS max rating. |
Use Scenario: Powering HVAC controllers and lighting gateways receiving 24–48V DC from building management systems. IC Role / Device Role / Timing Role: Enable-controlled 5V source allowing firmware-triggered power cycling of peripheral modules. Use Value: Enables remote reset capability via MCU GPIO without adding MOSFET or driver IC to power path. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT3080IMSE#PBF | Adjustable output (0–36V), higher IQ (1mA), requires external resistor divider; 36V max VIN | Not suitable for 48V+ PoE or telecom inputs; used where programmability outweighs input range | Select if output voltage flexibility is required and input stays ≤36V |
| TPS7A4701RGWR | Fixed 5V option available; 60V max VIN; 1A output; requires external compensation capacitor | Over-specified current capability increases cost and board space; needs additional stability components | Select only when >50mA load current or tighter PSRR (<70dB) is mandatory |
Compared with LT3080IMSE#PBF and TPS7A4701RGWR, the ZXTR1005PD8-13 uniquely balances 100V input tolerance, 5V fixed output, enable control, and minimal external components-making it optimal for space-constrained PoE PDs where input voltage exceeds 48V and output current stays ≤50mA.
Availability
ZXTR1005PD8-13 is available at Aetrix Electronics and suitable for Power over Ethernet (PoE) powered devices, telecom line cards, and industrial network switches requiring stable component supply with guaranteed long-term lifecycle support.
Supply support for ZXTR1005PD8-13 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for industrial and communications markets.
The ZXTR1005PD8 belongs to Diodes' high-voltage linear regulator product line, designed specifically to replace discrete transistor-Zener solutions in PoE, telecom, and industrial power conversion where input voltages exceed 40V.
FAQ
What is the minimum input voltage required to maintain regulation?
The ZXTR1005PD8-13 requires a minimum input voltage of 10V to sustain 5V output regulation under all load and temperature conditions. Below this, output drops linearly with input; the device does not operate in dropout mode like LDOs. This threshold is specified in the datasheet's "Minimum Value of Input Voltage Required to Maintain Line Regulation" parameter.
Can VOUT be safely pulled above 5V?
VOUT has a maximum absolute rating of 10V relative to GND. Exceeding this risks permanent damage. The pin is not designed for back-driving or bidirectional operation. During disable state, VOUT floats near 0V but must not be externally forced high unless current-limited to <100nA and voltage clamped below 10V.
How does thermal performance change with smaller PCB copper areas?
With 15mm×15mm 1oz copper, θJA rises to 106.4°C/W - reducing max continuous output current to ~25mA at 48V input. Derating curves in the datasheet show power dissipation must be reduced by 12.5mW/°C above 25°C ambient. Thermal design must match copper area to expected VIN and IOUT.
Is the EN pin internally pulled up or down?
The EN pin has no internal pull-up or pull-down. It operates as a high-impedance input: floating (≤100nA leakage) enables regulation; connecting to GND disables output. No external pull-up resistor is needed, simplifying GPIO interfacing. Leakage current is specified as ±100nA in enable state and ±1mA in disable state.
ZXTR1005PD8-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 8-PowerTDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 100V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 42mA
- Current - Quiescent (Iq):
- 500 µA
- Current - Supply (Max):
- 900 µA
- PSRR:
- 57dB (100Hz)
- Control Features:
- Enable
- Protection Features:
- -
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerDI5060-8 (Type B)
ZXTR1005PD8-13 FAQ
1.How can I place an order for ZXTR1005PD8-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for ZXTR1005PD8-13 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 ZXTR1005PD8-13 reliable?
The price and inventory of ZXTR1005PD8-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXTR1005PD8-13 is usually 5 days.
3.What payment methods are accepted for ZXTR1005PD8-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXTR1005PD8-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZXTR1005PD8-13?
ZXTR1005PD8-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZXTR1005PD8-13 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 ZXTR1005PD8-13?
For technical support, including ZXTR1005PD8-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXTR1005PD8-13 requirements.
6.How does Aetrix verify that ZXTR1005PD8-13 is sourced from the original manufacturer or authorized distributors?
All ZXTR1005PD8-13 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 ZXTR1005PD8-13 meets industry standards.
7.What is the process for return or replacement of ZXTR1005PD8-13?
All ZXTR1005PD8-13 units undergo pre-shipment inspection (PSI). If there is an issue with ZXTR1005PD8-13, 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 ZXTR1005PD8-13 part is unused and in its original packaging.
Return procedure for ZXTR1005PD8-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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