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Hello, Please ask a question about MAX38909 Datasheet
# Example questions:
➢ What is the typical input supply current (iq) of the max38909 when ven = 6v, vbias = 5.0v, and iout = 0ma?
➢ What is the typical dropout voltage (vdo) when iout = 2a, vout_nom = 2v, and vbias = 5.0v with the tdfn package?
➢ What is the minimum output capacitance (cout) required for stable operation?
1. Device Identification:
️· Part: This is an excerpt from the datasheet for the MAX38909, a high-performance nMOS LDO linear regulator.
2. Electrical Characteristics Overview
️· Input Voltage Range: 0.9V to 5.5V
️· Bias Voltage Range: 2.7V to 20V
️· Output Voltage Range: 0.6V to 5.0V
️· Input Shutdown Current: Low, from 0.001μA to 1μA (depending on temperature)
️· Current Limit: 2.2A to 2.8A to 3.4A.
3. Key Parameters & Values (Selected Highlights - See Full Table in Document)
| Parameter | Symbol | Typical Value/Range | Units |
|---|---|---|---|
| Input Undervoltage Lockout (VIN_UVLO) | 0.35V - 0.55V | V | |
| Bias Undervoltage Lockout (VBIAS_UVLO) | 2.45V - 2.65V | V | |
| Input Supply Current (IQ) | IQ | 70.5μA - 150μA | μA |
| Bias Supply Current (IBIAS) | IBIAS | 1.5mA - 4mA | mA |
| Feedback Voltage Accuracy (VFB) | VFB | 0.6V | V |
| Load Regulation | 0.05% | % | |
| Load Transient Response | 15mV | mV | |
| Dropout Voltage (VDO) (at 2A output, varies with VOUT and VBIAS) | VDO | Ranges from 27mV - 80mV (depending on output voltage and bias voltage) | mV |
1. Device Identification:
️· Part: This is an excerpt from the datasheet for the MAX38909, a high-performance nMOS LDO linear regulator.
2. Electrical Characteristics Overview
️· Input Voltage Range: 0.9V to 5.5V
️· Bias Voltage Range: 2.7V to 20V
️· Output Voltage Range: 0.6V to 5.0V
️· Input Shutdown Current: Low, from 0.001μA to 1μA (depending on temperature)
️· Current Limit: 2.2A to 2.8A to 3.4A.
3. Key Parameters & Values (Selected Highlights - See Full Table in Document)
| Parameter | Symbol | Typical Value/Range | Units |
|---|---|---|---|
| Input Undervoltage Lockout (VIN_UVLO) | 0.35V - 0.55V | V | |
| Bias Undervoltage Lockout (VBIAS_UVLO) | 2.45V - 2.65V | V | |
| Input Supply Current (IQ) | IQ | 70.5μA - 150μA | μA |
| Bias Supply Current (IBIAS) | IBIAS | 1.5mA - 4mA | mA |
| Feedback Voltage Accuracy (VFB) | VFB | 0.6V | V |
| Load Regulation | 0.05% | % | |
| Load Transient Response | 15mV | mV | |
| Dropout Voltage (VDO) (at 2A output, varies with VOUT and VBIAS) | VDO | Ranges from 27mV - 80mV (depending on output voltage and bias voltage) | mV |
| Part No. | MAX38909 |
| Manufacturer | MAXIM |
| Size | 1Mb |
| Pages | 20 pages |
| Description | 2A High-Performance nMOS LDO Linear Regulator |
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