Overview
The NCP59744MN2ADJTBG is a dual-rail, very low dropout (LDO) voltage regulator produced by onsemi. This device is capable of providing an output current in excess of 3.0 A with a dropout voltage of 75 mV at full load current. It features adjustable output voltage, programmable soft-start, and internal protection mechanisms such as thermal shutdown and output current limiting. The regulator is stable with ceramic and other low ESR output capacitors, making it suitable for a variety of applications requiring high current and low voltage dropout.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VIN Input Voltage Range | VOUT + VDO | 5.5 | V | |
| VBIAS Bias Pin Voltage Range | 2.2 | 5.5 | V | |
| Output Voltage Range | 0.8 | 3.6 | V | |
| Dropout Voltage at 3 A | 75 | mV | ||
| Output Current | 50 mA | 3.0 A | A | |
| Accuracy Over Line and Load | ±0.25% | % | ||
| Thermal Shutdown Temperature | +165 | °C | ||
| Maximum Junction Temperature | +150 | °C | ||
| ESD Capability, Human Body Model | 2000 | V | ||
| ESD Capability, Machine Model | 200 | V |
Key Features
- Output Current in Excess of 3.0 A
- 0.25% Typical Accuracy Over Line and Load
- Programmable Soft Start
- Open Drain Power Good Output
- Excellent Transient Response
- Current Limit and Thermal Shutdown Protection
- Adjustable Output Voltage Down to 0.8 V
- Pb-Free and RoHS Compliant
- Stable with Ceramic and Other Low ESR Output Capacitors
- User-Programmable Soft-Start and Power Good Pins
Applications
- Telecom and Industrial Equipment Point of Load Regulation
- FPGA, DSP, and Logic Power Supplies
- Switching Power Supply Post Regulation
- Applications with Specific Start-up Time or Sequencing Requirements
Q & A
- What is the maximum output current of the NCP59744MN2ADJTBG?
The maximum output current is in excess of 3.0 A. - What is the dropout voltage at full load current?
The dropout voltage is 75 mV at 3 A. - What is the range of the input voltage (VIN)?
The input voltage range is from VOUT + VDO to 5.5 V. - What is the range of the bias pin voltage (VBIAS)?
The bias pin voltage range is from 2.2 V to 5.5 V. - Can the output voltage be adjusted?
Yes, the output voltage is adjustable down to 0.8 V using external resistors. - What protection features are included in the NCP59744MN2ADJTBG?
The device includes thermal shutdown and output current limiting protection. - What is the thermal shutdown temperature?
The thermal shutdown temperature is +165°C. - Is the device Pb-Free and RoHS compliant?
Yes, the device is Pb-Free and RoHS compliant. - What types of capacitors are recommended for use with the NCP59744MN2ADJTBG?
Ceramic or other low ESR capacitors are recommended. - How is the soft-start feature controlled?
The soft-start feature is controlled by an external Css capacitor.
