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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
- 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 AP7167-SPG-13 is a 1.2A adjustable output voltage low dropout regulator manufactured by Diodes Incorporated. It operates within an input voltage range of 2.2V to 5.5V and provides an adjustable output from 0.8V to 5.0V. The device features a typical quiescent current of 125µA and a maximum static current of 180µA. Dropout voltage is specified at 230mV for a 500mA load and 500mV for a 1A load. It includes a Power-OK (POK) open-drain output, current limiting, and thermal shutdown protection. The component is housed in an SOP-8L-EP package with an exposed pad.
Feature Summary
- Integrated Power-OK (POK) active-high open-drain output for power sequence control
- Built-in current limit and thermal shutdown circuitry to prevent damage during fault conditions
- Stable operation with any type of output capacitor greater than or equal to 4.7µF
- Adjustable output voltage range utilizing external resistor divider
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 specific ordering suffix matches the required package configuration. Confirm RoHS compliance status and lead-free finish requirements against project specifications. Ensure the selected distributor source aligns with authorized supply channels to guarantee product authenticity and traceability.
Selection Notes
Select this component when an adjustable LDO with integrated power sequencing capability is required. The exposed pad design facilitates efficient heat dissipation for high-current applications. Verify that the application environment remains within the -40°C to +85°C operating temperature range.
Part Context
This part belongs to the AP7167 series of ultra-low dropout linear regulators. The 'SP' designation indicates the SOP-8L-EP package variant, while the '-13' suffix specifies tape and reel packaging. The series is designed for low to medium power portable applications requiring precise voltage regulation.
Replacement Considerations
Consult official documentation for confirmed substitute part numbers before implementation.
FAQ
What is the function of the POK pin?
The POK pin is an active-high open-drain output used for power sequence control. It can be connected to any 5.5V or lower rail through an external pull-up resistor.
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. R2 must be kept smaller than 250kΩ to maintain stability.
What are the thermal protection thresholds?
Thermal shutdown disables the output when the junction temperature reaches approximately +155°C. The output circuitry re-enables when the temperature drops to approximately +130°C.
