Professional IC Distribution & Technical Solutions

The HA17431P is a precision shunt regulator manufactured by Hitachi (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features of the HA17431P:

Manufacturer: Hitachi (Renesas Electronics)

Part Number: HA17431P

Description:

The HA17431P is a programmable precision voltage reference and shunt regulator. It is commonly used in power supply circuits, voltage monitoring, and error amplification applications.

Key Features:

• Programmable Output Voltage: Adjustable from 2.5V to 36V using external resistors.
• High Accuracy: Reference voltage tolerance of ±1% (typical).
• Low Dynamic Output Impedance: Typically 0.2Ω.
• Wide Operating Current Range: 1mA to 100mA.
• Low Temperature Coefficient: Ensures stable performance over temperature variations.
• Sink Current Capability: Up to 100mA.
• Operating Temperature Range: -40°C to +85°C.
• Package Type: TO-92 (through-hole package).

Applications:

• Voltage regulation in power supplies.
• Error amplifiers in feedback circuits.
• Precision voltage references.
• Switching power supplies.
• Battery chargers.

Pin Configuration (TO-92 Package):

1. Reference (REF): Voltage reference input.

2. Anode (A): Connected to ground (GND).

3. Cathode (K): Output/regulation terminal.

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.