Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. W-QFN3535-20 (Type A1)
3A, Ultra Low Noise, High Accuracy, LDO Voltage Regulator
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The AP7179D is a high output current (3A), low-dropout regulator capable of sourcing 3A with 180mV maximum dropout, lownoise (4.4μVRMS), high output voltage accuracy (1%). The device output voltage is pin-programmable from 0.8V to 3.95V using a PCB layout and adjustable from 0.8V to 5.0V using an external resistor divider. The device supports a lower input voltage of 1.1V, which makes it flexible to use and requires a lower component count.
The device’s low noise (4.4μVRMS), high PSRR, and high output current capability makes it ideal to power noise-sensitive devices such as high-performance serializers and deserializers (SerDes), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and FR components.
High output accuracy, remote sensing, excellent transient performance, and soft-start capabilities also make the AP7179D ideal
to power digital loads such as field-programmable gate arrays (FPGAs), digital signal processors (DSPs), and application-specific
integrated circuits (ASICs). The enable control and a power-good indicator provide easy and accessible power-sequence control. Output noise immunity is enhanced by adding a bypass capacitor on NR/SS pin.
The AP7179D is packaged in the W-QFN3535-20 (Type A1) package.
Iq (typ) (µA) |
2800 |
|---|---|
Iq (max) (µA) |
4000 |
Operating Ambient Temperature (°C) |
-40 to 85 |
AEC Qualified |
No |
Compliance (Only Automotive Supports PPAP) |
Standard |
Type |
LDO |
Output options |
Adjustable |
Iout (A) |
3 |
Vin (Max) (V) |
6.5 |
Vin (Min) (V) |
1.1 |
Vout (min) |
0.8 |
Vout (max) |
5.5 |
Adjustable VFB (V) |
0.8 |
Accuracy 25C |
1 |
Noise uV RMS 10-100 kHz |
4.4 |
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage |
0.11 |
PSRR (dB) 1kHz |
42 |
Enable Active |
Yes (High) |
Channels |
1 |
Output Discharge |
Yes |
Power Good |
Open Drain |
Reverse Protection |
No |
VCTL Function |
No |
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A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.
| PCN # | Issue Date | Implementation Date | Subject |
|---|---|---|---|
| PCN-2770 | 2025-10-30 | 2025-10-30 | Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products |
