Diodes Incorporated AP7366EA-12SN-7
- Part No.:
- AP7366EA-12SN-7
- Manufacturer:
- Diodes Incorporated
- Package:
- 6-UDFN Exposed Pad
- Datasheet:
-
AP7366EA-12SN-7.pdf
- Description:
- IC REG LINEAR 1.2V 600MA 6DFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,988
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AP7366EA-12SN-7 from Diodes Incorporated is a 600mA fixed-output low-dropout linear regulator with 1.2V output, 60μA quiescent current, 300mV dropout at full load, and integrated enable control. It operates from 2.2V to 6V input and delivers stable power to FPGA I/O rails, portable device subsystems, and low-power microcontroller cores.
For engineers reviewing the AP7366EA-12SN-7 datasheet, AP7366EA-12SN-7 pinout, AP7366EA-12SN-7 application, or AP7366EA-12SN-7 equivalent, key selection criteria include dropout voltage at 600mA, thermal resistance in U-DFN2020-6, EN logic thresholds, PSRR at 1kHz, and stability with 1μF ceramic output capacitance.
Technical Context
The AP7366EA-12SN-7 implements a PMOS pass transistor architecture with internal 0.8V bandgap reference and error amplifier feedback loop. Its fixed 1.2V output is achieved via trimmed internal resistor divider, eliminating external components required in adjustable variants.
Enable functionality uses active-high logic with VIH ≥ 1.0V and VIL ≤ 0.3V, while protection circuitry includes foldback current limiting (typ. 250mA short-circuit clamp), thermal shutdown at +150°C with +20°C hysteresis, and 2kV HBM ESD rating on all pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.2V ±1% accuracy at 10mA load ensures precise core voltage for 1.2V FPGA I/O banks. |
| Max Output Current | 600mA continuous output supports high-current digital subsystems without external boost stages. |
| Quiescent Current | 60μA typical IQ enables >1-year battery life in always-on sensor nodes powered by coin cells. |
| Dropout Voltage | 300mV at 600mA allows operation from 1.5V input sources like single LiFePO₄ cells. |
| PSRR | 75dB at 1kHz suppresses switching noise from adjacent DC/DC converters feeding shared input rails. |
| Start-up Time | 150μs fast enable response synchronizes power delivery with processor wake-up signals. |
| Thermal Resistance | 46.2°C/W θJA in U-DFN2020-6 package permits 450mW dissipation at +85°C ambient without derating. |
Pinout & Package
AP7366EA-12SN-7 is packaged in a 2.0mm × 2.0mm U-DFN2020-6 with exposed thermal pad, optimized for high-density PCB layouts and thermal performance in space-constrained portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pin 3) | Input voltage supply | Accepts 2.2–6V; requires ≥1μF ceramic bypass capacitor placed adjacent to pin for noise suppression. |
| GND (Pin 2) | Power ground reference | Must connect directly to low-impedance ground plane; shares thermal pad connection for heat dissipation. |
| EN (Pin 1) | Enable control input | Active-high logic interface; ties to VIN for permanent ON or driven by MCU GPIO for dynamic power gating. |
| OUT (Pin 4) | Regulated output | Delivers 1.2V ±1%; requires ≥1μF ceramic capacitor to GND for stability and transient response. |
| ADJ (Pin 6) | Feedback reference node | Internally connected to 0.8V reference; left unconnected in fixed-output variants-no external resistors needed. |
| NC (Pin 5) | No internal connection | Floating or grounded per layout convenience; no electrical function or timing impact. |
Key Features
| Feature | Design Value |
|---|---|
| Low dropout architecture | 300mV dropout at 600mA enables use with single-cell batteries and tight input-output margins. |
| Ultra-low quiescent current | 60μA IQ minimizes standby power loss in battery-backed real-time clocks and IoT edge sensors. |
| Fast transient response | Stable under 100mA–500mA load steps with <20mV undershoot/overshoot, critical for burst-mode processors. |
| Integrated protection | Current limit (250mA short-circuit clamp), thermal shutdown (+150°C), and ESD (2kV HBM) ensure field reliability. |
| Small-footprint packaging | U-DFN2020-6 (2.0×2.0mm) reduces board area by 65% vs. SOT25 while improving thermal performance. |
Applications
| Portable Medical Sensors | FPGA I/O Power Rails |
|---|---|
Use Scenario: Continuous glucose monitor with Bluetooth LE radio and analog front-end. IC Role / Device Role / Timing Role: Primary 1.2V supply for ultra-low-power ARM Cortex-M0+ MCU and ADC reference. Use Value: 60μA quiescent current extends CR2032 battery life beyond 18 months; 150μs start-up enables rapid sensor wake-up on motion trigger. |
Use Scenario: High-speed industrial vision system using Xilinx Artix-7 FPGA. IC Role / Device Role / Timing Role: Dedicated 1.2V rail for FPGA I/O bank powering LVDS camera interfaces. Use Value: 75dB PSRR at 1kHz rejects noise from adjacent 12V-to-1.2V buck converter; 300mV dropout accommodates input ripple without brownout. |
| Smart Wearable Displays | Automotive Body Control Modules |
Use Scenario: OLED smartwatch with always-on display and heart-rate sensor. IC Role / Device Role / Timing Role: Regulated 1.2V source for display driver IC and capacitive touch controller. Use Value: Stable 1.2V ±1% output prevents OLED gamma shift across temperature; U-DFN2020-6 footprint fits within 3mm bezel constraints. |
Use Scenario: Door module controlling window lift, mirror fold, and LED status indicators. IC Role / Device Role / Timing Role: Secondary 1.2V supply for CAN transceiver logic and microcontroller peripherals. Use Value: -40°C to +85°C operating range meets automotive ambient requirements; thermal shutdown prevents latch-up during load dump events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1703T-1202E/MB | Higher 100μA IQ, 400mV dropout at 250mA, SOT-23-5 package only | Limited to ≤250mA loads; less suitable for FPGA I/O or burst-mode processors | Select when cost sensitivity outweighs current capability and thermal performance needs |
| Torex XC6219B122MR-G | Lower 35μA IQ but only 300mA output; same U-DFN2020-6 footprint | Insufficient for 600mA FPGA I/O rails; better for sub-300mA MCU cores | Choose for ultra-low-power sensor nodes where 300mA headroom is adequate |
Compared with AP7366EA-12SN-7, MCP1703T-1202E/MB trades 250mA lower current and higher IQ for broader distributor availability, while XC6219B122MR-G offers lower IQ but sacrifices 50% output current-making AP7366EA-12SN-7 optimal for thermally constrained 600mA applications requiring fast transient response.
Availability
AP7366EA-12SN-7 is available at Aetrix Electronics and suitable for portable medical sensors, FPGA I/O power rails, smart wearable displays, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AP7366EA-12SN-7 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 power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The AP7366EA belongs to Diodes' low-quiescent-current LDO family designed specifically for battery-powered and thermally constrained applications where efficiency, small size, and fast transient response are critical.
FAQ
What is the minimum input voltage required for AP7366EA-12SN-7 to maintain regulation at 600mA?
The device requires VIN ≥ VOUT + VDROPOUT = 1.2V + 0.3V = 1.5V minimum. However, the datasheet specifies 2.2V as the absolute minimum operating input voltage to guarantee all specifications-including PSRR, line regulation, and thermal stability-across temperature and process variation.
Can AP7366EA-12SN-7 operate without an output capacitor?
No. The device requires a minimum 1μF ceramic capacitor from OUT to GND for stability and transient response. Omitting it causes oscillation and output voltage collapse under load. The capacitor must be placed within 2mm of the OUT and GND pins with low-inductance layout.
Is the ADJ pin functional in the AP7366EA-12SN-7 fixed-output variant?
No. In fixed-output versions like AP7366EA-12SN-7, the ADJ pin is internally connected to the 0.8V reference and serves no external function. It may be left floating or tied to GND-neither affects regulation, but floating is preferred to avoid parasitic leakage paths.
How does thermal shutdown behave during sustained overload conditions?
When junction temperature reaches +150°C, the output disables and remains off until temperature drops to +130°C (20°C hysteresis). Under continuous overload, this causes thermal cycling-visible as periodic output toggling-which protects the die but indicates inadequate heatsinking or excessive power dissipation.
AP7366EA-12SN-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 1.2V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.8V @ 600mA
- Current - Output:
- 600mA
- Current - Quiescent (Iq):
- 80 µA
- Current - Supply (Max):
- -
- PSRR:
- 75dB ~ 55dB (1kHz ~ 10kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- U-DFN2020-6
AP7366EA-12SN-7 FAQ
1.How can I place an order for AP7366EA-12SN-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7366EA-12SN-7 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 AP7366EA-12SN-7 reliable?
The price and inventory of AP7366EA-12SN-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7366EA-12SN-7 is usually 5 days.
3.What payment methods are accepted for AP7366EA-12SN-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7366EA-12SN-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7366EA-12SN-7?
AP7366EA-12SN-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7366EA-12SN-7 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 AP7366EA-12SN-7?
For technical support, including AP7366EA-12SN-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7366EA-12SN-7 requirements.
6.How does Aetrix verify that AP7366EA-12SN-7 is sourced from the original manufacturer or authorized distributors?
All AP7366EA-12SN-7 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 AP7366EA-12SN-7 meets industry standards.
7.What is the process for return or replacement of AP7366EA-12SN-7?
All AP7366EA-12SN-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7366EA-12SN-7, 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 AP7366EA-12SN-7 part is unused and in its original packaging.
Return procedure for AP7366EA-12SN-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AP7366EA-12SN-7 Tags

-
MIC5504-1.8YM5-TR
Microchip Technology

-
MIC5504-3.3YM5-TR
Microchip Technology

-
MIC5365-3.0YC5-TR
Microchip Technology

-
MIC5365-1.8YC5-TR
Microchip Technology

-
MIC5365-2.5YC5-TR
Microchip Technology

-
MIC5365-3.3YC5-TR
Microchip Technology

-
MIC5365-3.3YD5-TR
Microchip Technology

-
MIC5317-3.3YM5-TR
Microchip Technology

-
TLV1117LV33DCYR
Texas Instruments

-
MIC5317-3.3YMT-TZ
Microchip Technology

-
MIC5528-3.3YMT-TR
Microchip Technology

-
TLV75801PDRVR
Texas Instruments
Tech Hub
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

