My 9892 Datasheet

While this article covers 95% of what you need, you should always keep the official PDF on your hard drive.

How to get the genuine 9892 PDF:

Expert Tip: If you are working with audio equipment, "my 9892" might be the MAX9892. That datasheet shows a 9-ball UCSP package (not 8-pin DIP). Do not confuse them! The MAX9892 removes pops and clicks in headphone jacks. my 9892 datasheet

Many Japanese and Taiwanese manufacturers use 4-digit top marks. A 9892 on a SOT-23-5 package likely indicates a 3.3V or adjustable LDO with 150mA to 500mA output. Check the pinout: Pin 1 (GND), Pin 2 (Vout), Pin 3 (Vin), etc.

One of the most common mistakes engineers make when first encountering my 9892 datasheet is confusing “Absolute Maximum” with “Recommended Operating.” While this article covers 95% of what you

Example from a hypothetical 9892 LDO: | Parameter | Symbol | Rating | Unit | | :--- | :--- | :--- | :--- | | Input voltage | Vin | 12 | V | | Output short-circuit duration | Isc | Indefinite | sec | | Power dissipation | Pd | 400 | mW | | Operating junction temp | Tj | 125 | °C |

Interpretation:

Rule of thumb: Never design above 80% of the absolute maximum rating.

Look at the Min/Typ/Max columns. The “Typ” column is at room temperature (25°C). The “Max” column is over the full temperature range (e.g., -40°C to +85°C). Design to the Max column. Expert Tip: If you are working with audio

Do not exceed these values, or you will destroy the component.

| Parameter | Symbol | Rating | Unit | | :--- | :--- | :--- | :--- | | Forward Current (Input) | IF | 25 | mA | | Peak Forward Current (50% duty) | IFP | 50 | mA | | Reverse Voltage (Input) | VR | 5 | V | | Supply Voltage (Output) | VCC | 35 | V | | Output Current | IO | 10 | mA | | Operating Temperature | Topr | -40 to +85 | °C | | Storage Temperature | Tstg | -55 to +125 | °C |