MAX15010
300mA LDO Voltage Regulators with Tracker Output and Overvoltage Protector
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High Integration Devices Combine LDO, Tracked Voltage, and Load Dump Protector
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Features
- 300mA LDO Regulator, Voltage Tracker, and OVP Controller (MAX15008)
- 300mA LDO Regulator and Voltage Tracker (MAX15010)
- 50mA Voltage Tracker with ±3mV Tracking Accuracy
- 5V to 40V Wide Operating Supply Voltage Range
- 67µA Quiescent Current LDO Regulator
- OVP Controller Disconnects or Limits Output from Battery Overvoltage Conditions (MAX15008)
- LDO Regulator with Enable, Hold, and Reset Features
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The MAX15008 features a 300mA LDO regulator, a voltage tracker, and an overvoltage protection (OVP) controller to protect downstream circuits from high-voltage transients. The MAX15010 includes only the 300mA LDO voltage regulator and voltage tracker. Both devices operate over a wide 5V to 40V supply voltage range and are able to withstand load-dump transients up to 45V. The MAX15008/MAX15010 feature short-circuit and thermal-shutdown protection.
The 300mA LDO regulator consumes less than 67µA quiescent current at light loads and is well suited to power always-on circuits during "key off" conditions. The LDO features independent enable and hold inputs as well as a microprocessor (µP) reset output with an adjustable reset timeout period.
The voltage tracker accurately (±3mV) tracks a voltage applied to its input from either the LDO output or an external source. It can supply up to 50mA of current to a remote sensor, allowing for precise ratiometric tracking in industrial applications. A separate enable input turns the tracker on or off, reducing supply current when the tracker is unused. The voltage tracker also features protection against battery reversal, an output short circuit to the battery, or an output-voltage excursion below ground potential to as much as -5V.
The MAX15008 OVP controller operates with an external enhancement mode n-channel MOSFET. While the monitored voltage remains below the adjustable threshold, the MOSFET stays on. When the monitored voltage exceeds the OVP threshold, the OVP controller quickly turns off the external MOSFET. The OVP controller is configurable as a load-disconnect switch or a voltage limiter.
The MAX15008/MAX15010 are available in a thermally enhanced, 32-pin (5mm x 5mm) TQFN package and are fully specified over the -40°C to +125°C operating temperature range.
Applications
- Multimedia Power Supply
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MAX15010
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Software & Part Ecosystem
Evaluation Kits 1
MAX15008EVKIT
Evaluation Kit for the MAX15008
Features and Benefits
- Wide Operating Supply Voltage Range: 5V to 40V
- 300mA LDO Configured to 5V (Supply Voltage ≥ 6.5V)
- 50mA Voltage Tracker
- Configurable Overvoltage Protector Threshold
- Output Signal (Active-Low RESET) for Circuit Monitoring
- Can be Used to Evaluate the MAX15009, MAX15010, or MAX15011 ICs
- Fully Assembled and Tested
Product Detail
The MAX15008 evaluation kit (EV kit) is a complete, fully assembled and tested printed-circuit board (PCB) that demonstrates the capabilities of the MAX15008. The MAX15008 features a configurable LDO voltage regulator, a voltage tracker, and an overvoltage protector. The LDO is configured to 5V, 300mA output. The voltage tracker is configured to track the LDO output voltage and provides up to 50mA. The overvoltage protector threshold is configured to 17.7V.
The EV kit circuit features an active-low RESET output signal to indicate output fault and normal operating conditions. The EV kit circuit board can also be used to evaluate the MAX15009, MAX15010, or MAX15011 ICs.
Applications
- AM/FM Radio Power Supply
- Climate Control
- Instrument Clusters
- Multimedia Power Supply
- Telematics Power Supply