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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Diodes Incorporated ZXCL5213V25H5TA

Name: ZXCL5213V25H5TA
Brand: Diodes Incorporated
SKU: ZXCL5213V25H5TA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXCL5213V25H5TA

Manufacturer:: Diodes Incorporated

Category:: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package:: -

Datasheet:: ZXCL5213V25H5TA.pdf

Description:: IC REG LINEAR 2.5V 100MA SC70-5

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Product details

Overview

ZXCL5213V25H5TA from Diodes Incorporated is a micropower 2.5 V fixed-output low-dropout (LDO) linear regulator in SC70-5/SOT353 package, featuring 85 mV dropout at 50 mA, 50 µA ground current at 150 mA load, and active-high enable control. It delivers stable regulation with no-load stability, supports ceramic output capacitors down to 1 µF, and targets space-constrained battery-powered systems.

For engineers reviewing the ZXCL5213V25H5TA datasheet, ZXCL5213V25H5TA pinout, ZXCL5213V25H5TA application, or ZXCL5213V25H5TA equivalent, key selection criteria include ultra-low quiescent current, SC70-5 footprint compatibility, 2.5 V output tolerance (±2% to ±3%), thermal shutdown at 125 °C, and enable logic compatibility with TTL/CMOS voltage levels.

Technical Context

The ZXCL5213V25H5TA employs a PMOS pass transistor architecture enabling low dropout and minimal ground current across load conditions-including dropout, startup, and full 150 mA operation. Its bandgap reference and error amplifier drive a buffer stage to regulate VO with ±2% initial accuracy and −15 ppm/°C temperature coefficient.

Enable functionality uses a dedicated TTL/CMOS-compatible input (VENH ≥ 2.2 V, VENL ≤ 0.8 V) with 150 mV hysteresis and <10 nA shutdown current. Internal protection includes current limiting (160–800 mA range) and thermal shutdown (125 °C trip, auto-recovery).

Key Specifications

Parameter	Value and Actual Design Meaning
Output Voltage	2.5 V ±2% (at 1 mA), ±3% (at 100 mA); enables precise biasing of 2.5 V logic or analog circuitry
Dropout Voltage	85 mV at 50 mA; allows regulation from VIN as low as 2.585 V while maintaining 2.5 V output
Ground Current	50 µA at 150 mA load; minimizes total system power draw in portable devices
Enable Threshold	V_ENH = 2.2 V min, V_ENL = 0.8 V max; ensures reliable activation/deactivation with standard logic families
Thermal Shutdown	125 °C junction temperature; protects against sustained overloads without external circuitry
Output Noise	50 µV_RMS (10 Hz–100 kHz, C_O = 10 µF); suitable for noise-sensitive analog rails without bypass capacitor
Stability	Stable with 1 µF ceramic output capacitor (X7R dielectric recommended); eliminates need for large tantalum or electrolytic caps

Pinout & Package

Package: SC70-5 / SOT353 (H5), 1.3 mm × 2.1 mm × 0.95 mm body, 0.65 mm pitch, 5-terminal surface-mount.

Pin/Terminal	Circuit Role	Design Meaning
VIN	Input supply connection	Accepts 2.0–5.5 V input; internal diode anode tied to VO limits reverse current to 5 mA continuous
GND	Power ground reference	Low-impedance return path for regulator bias and load current; critical for noise and stability
N/C	No-connect terminal	Must be left open or tied to GND (pin 2); not internally connected-no electrical function
VO	Regulated output	Delivers 2.5 V ±3% up to 150 mA; requires ≥1 µF ceramic capacitor for stability
EN	Active-high enable input	Drives internal bias circuits; <10 nA shutdown current when pulled low; no clamp to VIN

Key Features

Feature	Design Value
Ultra-low dropout	85 mV at 50 mA enables operation with minimal input–output headroom in single-cell Li-ion or coin-cell systems
Micropower ground current	50 µA at full 150 mA load preserves battery life in always-on sensor nodes and standby modes
No-load stability	Regulates stably with zero output load-essential for CMOS RAM backup and intermittent wake-up applications
Low-noise operation	50 µV_RMS noise without external bypass capacitor simplifies layout and reduces BOM count
Logic-compatible enable	TTL/CMOS-level EN pin allows direct interfacing with microcontroller GPIOs without level-shifting

Applications

Cellular Handsets

Portable Medical Sensors

Use Scenario: Powering baseband processor I/O banks and RF front-end bias rails in compact GSM/UMTS handsets.

IC Role / Device Role / Timing Role: Primary 2.5 V LDO supplying noise-sensitive analog sections with fast load transient response.

Use Value: 85 mV dropout extends usable battery range; 50 µA ground current extends talk time by >12% versus legacy regulators.

Use Scenario: Providing regulated 2.5 V supply to low-power ADCs and wireless transceivers in wearable ECG monitors.

IC Role / Device Role / Timing Role: Standby-mode LDO enabling sub-µA system sleep current via EN-controlled shutdown.

Use Value: <10 nA shutdown current meets ISO 13485 battery-life requirements; SC70-5 footprint fits <8 mm² PCB area budgets.

Industrial Data Loggers

IoT Edge Node Controllers

Use Scenario: Supplying real-time clock (RTC) and SRAM backup circuits in remote environmental monitoring units.

IC Role / Device Role / Timing Role: No-load-stable LDO ensuring continuous RTC operation during main system power-off cycles.

Use Value: Guaranteed regulation at zero load eliminates need for leakage-current compensation networks or auxiliary bias paths.

Use Scenario: Powering BLE SoC peripherals (sensors, flash memory, GPIOs) in energy-harvesting edge nodes.

IC Role / Device Role / Timing Role: Enable-controlled LDO synchronized to MCU wake/sleep states to minimize average system current.

Use Value: 150 mV EN hysteresis prevents chatter during brown-out; 1 µF ceramic stability reduces bill-of-materials cost by 30% vs. tantalum alternatives.

Equivalent & Alternatives

The following parts are listed as comparable options for similar LDO regulator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AP2121AK-2.5TRG1	SOT23-5 package; higher 120 µA ground current at 150 mA; 120 mV dropout at 50 mA	Larger footprint (2.9 mm × 1.6 mm vs. 2.1 mm × 1.3 mm); lower PSRR above 10 kHz	Select only if SOT23-5 board layout exists and SC70-5 rework is impractical
AP7115-25SEG-7	SC70-5 package; 1.8 µA quiescent current but 200 mV dropout at 50 mA; no enable pin	Fixed ON/OFF state; unsuitable for dynamic power gating; lacks EN-controlled shutdown	Choose only for always-on, ultra-low-I_Q applications where enable control is unnecessary

Compared with AP2121AK-2.5TRG1 and AP7115-25SEG-7, ZXCL5213V25H5TA uniquely balances ultra-small SC70-5 size, 85 mV dropout, and active enable control-making it optimal for space- and power-constrained designs requiring dynamic rail management.

Availability

ZXCL5213V25H5TA is available at Aetrix Electronics and suitable for cellular handsets, portable medical sensors, and industrial data loggers requiring stable component supply with long-term lifecycle support.

Supply support for ZXCL5213V25H5TA 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-efficiency power management, signal integrity, and protection solutions for consumer, industrial, and automotive markets.

The ZXCL series was designed specifically for space-constrained, battery-powered applications demanding micropower operation, no-load stability, and ultra-small packaging-targeting handheld instruments, PC cards, and portable audio/video equipment.

FAQ

What is the maximum input voltage for ZXCL5213V25H5TA?

The absolute maximum input voltage (VIN) is 7.0 V relative to GND. However, the recommended operating range is 2.0 V to 5.5 V. Operation above 5.5 V risks exceeding thermal limits under load and violates the specified safe operating area per DS33439 Rev. 10–3.

Can ZXCL5213V25H5TA operate with a 1 µF ceramic output capacitor?

Yes-ZXCL5213V25H5TA is explicitly characterized for stability with 1 µF ceramic capacitors (X7R dielectric recommended). Larger values improve transient response and reduce output noise, but 1 µF is the minimum required for guaranteed stability across temperature and load.

Is the N/C pin on ZXCL5213V25H5TA required to be left floating?

No-the N/C pin (Pin 4) may be left open-circuit or connected to GND (Pin 2). It is not internally connected and has no electrical function; grounding it improves mechanical anchoring and ESD robustness without affecting regulation.

Does ZXCL5213V25H5TA support reverse current protection?

No-it lacks integrated reverse current blocking. An external Schottky diode is recommended if VOUT can exceed VIN by >0.6 V (e.g., during hot-swap or backup-battery scenarios), as the internal parasitic diode conducts up to 5 mA continuously and 30 mA peak.

ZXCL5213V25H5TA Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: *

Package/Case:: -

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Output Configuration:: -

Output Type:: -

Number of Regulators:: -

Voltage - Input (Max):: -

Voltage - Output (Min/Fixed):: -

Voltage - Output (Max):: -

Voltage Dropout (Max):: -

Current - Output:: -

Current - Quiescent (Iq):: -

Current - Supply (Max):: -

PSRR:: -

Control Features:: -

Protection Features:: -

Operating Temperature:: -

Grade:: -

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Mounting Type:: -

Supplier Device Package:: -

ZXCL5213V25H5TA FAQ

1.How can I place an order for ZXCL5213V25H5TA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXCL5213V25H5TA 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 ZXCL5213V25H5TA reliable?

The price and inventory of ZXCL5213V25H5TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXCL5213V25H5TA is usually 5 days.

3.What payment methods are accepted for ZXCL5213V25H5TA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXCL5213V25H5TA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXCL5213V25H5TA?

ZXCL5213V25H5TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXCL5213V25H5TA 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 ZXCL5213V25H5TA?

For technical support, including ZXCL5213V25H5TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXCL5213V25H5TA requirements.

6.How does Aetrix verify that ZXCL5213V25H5TA is sourced from the original manufacturer or authorized distributors?

All ZXCL5213V25H5TA 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 ZXCL5213V25H5TA meets industry standards.

7.What is the process for return or replacement of ZXCL5213V25H5TA?

All ZXCL5213V25H5TA units undergo pre-shipment inspection (PSI). If there is an issue with ZXCL5213V25H5TA, 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 ZXCL5213V25H5TA part is unused and in its original packaging.

Return procedure for ZXCL5213V25H5TA:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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