Wide Input Voltage Range, 150MA ULDO Regulator
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The AP7381 series is a positive voltage regulator IC.
The AP7381 has features of wide input voltage range, high accuracy, low dropout voltage, current limit and ultra-low quiescent current which make it ideal for use in various USB and portable devices.
The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit.
The AP7381 has 3.3V, 5V fixed voltage version.
The AP7381 is available in space-saving SOT89 (Option 2) and TO92 (Ammo Packing) packages.
Iq (typ) (µA) |
2.5 |
|---|---|
Iq (max) (µA) |
5 |
Operating Ambient Temperature (°C) |
-40 to 85 |
AEC Qualified |
No |
Compliance (Only Automotive Supports PPAP) |
Standard |
Type |
LDO |
Output options |
Fixed |
Iout (A) |
0.15 |
Vin (Max) (V) |
40 |
Vin (Min) (V) |
3.3 |
Vout (min) |
2.8 |
Vout (max) |
7 |
Fixed Vout (V) |
3.3, 5.0 |
Accuracy 25C |
2% |
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage |
1 |
PSRR (dB) 1kHz |
60 |
Channels |
1 |
Output Discharge |
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 |
