ME431A Constant Pressure and Constant Current Controller Features:
Adjustable output voltage: 2.5V~36V
Low temperature deviation: 4.5 mV (typical value)
Low dynamic output resistance: 0.2Ω (typical value)
Cathode Current: 1~100 mA
Wide operating temperature range: -40~85℃
Packaging: SOT-23, TO-92, SOT89-3
恒压恒流控制器 ME431A Applications:
Charger
Voltage adapter
Switched-Mode Power Supply
Graphics Card
Precision reference voltage
ME431A Constant Voltage Constant Current Controller Logic Diagram:
ME431A Constant Pressure/Constant Current Controller's Limiting Parameters:
| Parameters | Symbol | Number | Unit |
| Cathode Voltage | VKA | 36 | V |
| Cathode current range | IKA | -100~+130 | mA |
| Reference Input Current Range | IREF | 10 | mA |
| Power Consumption | PD | 0.8 (TO-92 Package) | W |
| 0.4 (SOT-23 Package) | |||
| 1.25 (SOT89-3 package) | |||
| Bonding Temperature | TJ | -40~+150 | ℃ |
| Storage Temperature | TSTG | -55~+150 | |
| Package Thermal Resistance (junction to air) | θJA | 150 (TO-92 Package) | ℃/W |
| 330 (SOT-23 Package) | |||
| 100 (SOT89-3 package) |
ME431A Constant Voltage Constant Current Controller electrical specifications:
(Unless otherwise specified, TA = 25°C)
