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Part Number: APL1431
Description: The APL1431 is a 3-terminal adjustable voltage reference with specified thermal stability over applicable commercial te...
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APL1431
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DataSheet
General Description
APL1431 General Description
The APL1431 is a 3-terminal adjustable voltage reference with specified thermal stability over applicable commercial temperature ranges. Output voltage may be set to any value between Vref (2.5 V) and 20 V with two external resistors (see Figure 2). When used with an photocoupler, the APL1431 is an ideal voltage reference in isolated feedback circuits for 2.5V to 12V switching-mode power supplies. This device has a typical output impedance of 0.1. Active output circuitry provides a very sharp turn-on characteristic, making the APL1431 excellent replacements for zener diodes in many applications, including on-board regulation and adjustable power supplies.
APL1431 Maximum Ratings
| Symbol | Parameter | Rating | Unit | |
| VKA | Cathode voltage | 20 | V | |
| IK | Continuous cathode current range | 120 | mA | |
| IREF | Reference current range | 3 | mA | |
| JA | Thermal Resistance from Junction to Ambient in Free Air | °C/W | ||
| SOT-23 | 416 | |||
| SOT-89 | 250 | |||
| TO-92 | 250 | |||
| TA | Ambient temperature range | APL1431XXC | 0 to 70 | °C |
| APL1431XXI | -40 to 85 | |||
| Tj | Junction temperature range | APL1431XXC | 0 to 150 | °C |
| APL1431XXI | -40 to 150 | |||
| TSTG | Storage Temperature Range | -65 to 150 | °C | |
| TSOL | Lead temperature range, Ts (Soldering, 10sec) | 260 | °C | |
APL1431 Features
• Precise Reference Voltage to 2.500V
• Guaranteed 0.5% or 1% Reference Voltage Tolerance
• Sink Current Capability , 1mA to 100mA
• Quick Turn-on
• Adjustable Output Voltage , VO = VREF to 20V
• Low Operational Cathode Current , 250A Typical
• 0.1 Typical Output Impedance
• SOT-23 , SOT-89 and TO-92 Packages
• Guaranteed 0.5% or 1% Reference Voltage Tolerance
• Sink Current Capability , 1mA to 100mA
• Quick Turn-on
• Adjustable Output Voltage , VO = VREF to 20V
• Low Operational Cathode Current , 250A Typical
• 0.1 Typical Output Impedance
• SOT-23 , SOT-89 and TO-92 Packages
APL1431 Typical Application
• Linear Regulators
• Adjustable Power Supply
• Switching Power Supply
• Adjustable Power Supply
• Switching Power Supply
APL1431
PDF/DataSheet Download
- Datasheet: APL1431
- File Size: 471549 KB
- Manufacturer: ANPEC [Anpec Electronics Coropration]
- Click here to Download
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