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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 1.2A 8-SO-EP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：5V
- Voltage Dropout (Max)：0.8V @ 1A
- Current - Output：1.2A
- Current - Quiescent (Iq)：180 µA
- Current - Supply (Max)：-
- PSRR：60dB (1kHz)
- Control Features：Enable, Power Good
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SO-EP
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Overview
The AP7168-SPG-13 is a 1.2A adjustable output voltage ultra-low dropout linear regulator manufactured by Diodes Incorporated. It operates within an input voltage range of 2.2V to 5.5V and provides an adjustable output voltage from 0.8V to 5.0V. The device features a typical quiescent current of 125µA and includes built-in current limit, short circuit protection, and thermal shutdown circuitry. It is housed in an SO-8EP package.
Feature Summary
- Includes Power-OK (POK) open-drain output for power sequence control
- Provides very low dropout voltage characteristics at high load currents
- Features fast transient response and high power supply rejection ratio
- Stable with any type of output capacitor greater than or equal to 4.7µF
Applications
- Servers and laptops
- Smart phone and PDA
- MP3/MP4 players
- Bluetooth headset
- FPGA and DSP core or I/O power
Procurement Notes
Verify the component matches the specific Diodes Incorporated datasheet DS32019 Rev. 2. Confirm the package type is SO-8EP and the suffix indicates Green molding compound and Tape & Reel packaging. Ensure the application environment stays within the specified -40°C to 85°C operating temperature range and does not exceed absolute maximum ratings.
Selection Notes
Select this regulator for low to medium power applications requiring precise voltage regulation and power sequencing. Consider the 125µA typical quiescent current for battery-powered devices. Ensure adequate PCB copper area for the exposed pad to manage thermal dissipation effectively under maximum load conditions.
Part Context
This component belongs to the AP7167/AP7168 series of low dropout regulators designed for portable electronics. It shares similar architectural features with other members but offers specific electrical characteristics tailored for high-current applications up to 1.2A while maintaining stability across a wide range of output capacitors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
FAQ
What is the function of the POK pin?
The POK pin is an active-high open-drain output that indicates when the output voltage has reached its regulated level, useful for power sequence control.
How is the output voltage adjusted?
The output voltage is set between 0.8V and 5.0V using an external resistor divider connected to the FB pin, calculated based on the internal 0.8V reference voltage.
