IC Phoenix logo

Home ›  A  › A64 > AP1704AWG-7

AP1704AWG-7 from DIODES

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

AP1704AWG-7

Manufacturer: DIODES, DIDOES

3-PIN MICROPROCESSOR RESET CIRCUITS

Partnumber Manufacturer Quantity Availability
AP1704AWG-7,AP1704AWG7 DIODES, DIDOES 12000 In Stock

Description and Introduction

3-PIN MICROPROCESSOR RESET CIRCUITS The **AP1704AWG-7** is a high-performance, low-dropout (LDO) linear voltage regulator designed to deliver stable and reliable power in a variety of electronic applications. With an input voltage range of up to 18V and an adjustable output voltage, this component is well-suited for systems requiring precise voltage regulation, such as embedded devices, consumer electronics, and industrial equipment.  

Featuring a low dropout voltage and a high output current capability, the AP1704AWG-7 ensures efficient power management while minimizing energy loss. Its built-in overcurrent and thermal protection safeguards connected circuits from potential damage due to excessive load or overheating. Additionally, the regulator offers excellent line and load regulation, making it ideal for noise-sensitive applications.  

Housed in a compact SOT-89 package, the AP1704AWG-7 provides a space-efficient solution for PCB designs where board real estate is limited. Its robust performance, combined with ease of integration, makes it a preferred choice for engineers seeking a dependable voltage regulation solution. Whether used in battery-powered devices or high-precision analog circuits, this LDO regulator delivers consistent performance under varying operating conditions.

Application Scenarios & Design Considerations

3-PIN MICROPROCESSOR RESET CIRCUITS# Technical Documentation: AP1704AWG7 Low-Dropout (LDO) Voltage Regulator

 Manufacturer:  DIDOES
 Component:  AP1704AWG7
 Document Version:  1.0
 Date:  2024-10-27

---

## 1. Application Scenarios

The AP1704AWG7 is a 150mA, low-dropout (LDO) linear voltage regulator designed for applications requiring a stable, low-noise power supply from a higher input voltage. Its primary function is to provide precise voltage regulation for sensitive analog and digital loads.

### 1.1 Typical Use Cases

*    Post-Regulation for Switching Supplies:  A primary use case is cleaning the output of a switching DC-DC converter. The AP1704AWG7 filters out high-frequency switching noise, providing a "quiet" rail for noise-sensitive circuits like RF receivers, precision analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and phase-locked loops (PLLs).
*    Battery-Powered Devices:  In portable electronics (e.g., wearables, IoT sensors, handheld meters), it efficiently regulates a decaying battery voltage (e.g., 3.6V Li-ion) down to a stable 3.3V or 2.5V for microcontrollers and memory, maximizing usable battery life due to its low dropout voltage.
*    Voltage Domain Translation:  It is commonly used to derive lower core or I/O voltages (e.g., 1.8V, 1.2V) from a main system rail (e.g., 5V or 3.3V) for modern microprocessors, FPGAs, and ASICs that require multiple supply rails.
*    Sensor and Signal Conditioning Power:  Provides a stable, low-ripple supply for precision sensors (temperature, pressure, strain gauges) and operational amplifiers in measurement systems, minimizing supply-induced errors.

### 1.2 Industry Applications

*    Consumer Electronics:  Smartphones, tablets, digital cameras, and audio players for powering audio codecs, display drivers, and sensor hubs.
*    Telecommunications:  Base stations, routers, and network interface cards for generating clean analog and digital supply rails.
*    Industrial Automation:  PLCs, measurement and control systems, and data acquisition modules where reliability and noise immunity are critical.
*    Medical Devices:  Portable monitors, diagnostic equipment, and wearable health trackers requiring stable and predictable power.
*    Automotive Electronics:  Infotainment systems, dashboard clusters, and body control modules (typically requiring AEC-Q100 qualified variants; verify AP1704AWG7's specific qualifications).

### 1.3 Practical Advantages and Limitations

 Advantages: 
*    Low Dropout Voltage:  Typically ~200mV at full load, allowing operation with a small headroom between input and output, which improves efficiency and extends battery life.
*    Low Quiescent Current:  Consumes very little current when lightly loaded, crucial for battery-powered devices in sleep or standby modes.
*    Low Output Noise:  Internal bandgap reference and architecture yield low output noise, beneficial for analog/RF circuits.
*    Integrated Protection:  Standard features include current limiting and thermal shutdown, protecting the device and the load during fault conditions.
*    Small Form Factor:  Available in SOT-23-5 package (AP1704AWG-7), saving valuable PCB real estate.

 Limitations: 
*    Limited Current Capacity:  Maximum 150mA output current. Not suitable for powering high-current loads like motors, high-power LEDs, or high-performance processors.
*    Inefficiency at High Voltage Drops:  As a linear regulator, power dissipation is (VIN - VOUT

Alternative Part Number

  • MAX809REUR+T --: Pin-compatible 3-pin voltage supervisor/reset IC with similar reset threshold and active-low push-pull output, widely available and a common drop-in replacement.
  • MCP130T-300I/TT --: 3-pin SOT-23 voltage supervisor with comparable reset threshold and active-low output, low power consumption and good availability.
  • TL7705ACDR --: Industry-standard supply voltage supervisor with adjustable threshold and active-low reset, suitable functional alternative when board space allows an SOIC package.
  • MAX809R --: Pin-compatible 3-pin microprocessor reset supervisor with similar reset threshold and active-low output, widely available and a common drop-in replacement.
  • MCP130-450HI/TO --: 3-pin voltage supervisor with comparable reset threshold and open-drain/active-low output, suitable for the same reset monitoring function.
  • TL7705ACP --: Classic supply voltage supervisor providing reset generation with adjustable threshold, usable as a functional substitute in most reset circuits.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips