LP8720 - Uncategorized TEXAS INSTRUMENTS - Free user manual and instructions
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| Product Type | Step-Down (Buck) DC-DC Converter |
| Brand | Texas Instruments |
| Model | LP8720 |
| Input Voltage Range | 2.7 V to 5.5 V |
| Output Voltage | Adjustable (0.6 V to VIN) |
| Maximum Output Current | 600 mA |
| Switching Frequency | 1.6 MHz (typical) |
| Efficiency | Up to 95% |
| Package Type | 6-Pin SOT-23 or 8-Pin MSOP |
| Dimensions | 2.9 mm x 2.9 mm (SOT-23) |
| Weight | 0.02 g (typical) |
| Operating Temperature Range | -40°C to +85°C |
| Protection Features | Overcurrent, Overtemperature, Short-Circuit |
| Main Functions | Voltage regulation, power conversion, enable control |
| Maintenance | None required |
| Safety Precautions | Use within specified input voltage; avoid reverse polarity |
| Repairability | Not user-serviceable; replace if faulty |
| Spare Parts | Contact TI for replacement |
Frequently Asked Questions - LP8720 TEXAS INSTRUMENTS
What is the input voltage range of the LP8720?
The LP8720 operates with an input voltage range of 2.7 V to 5.5 V.
How do I set the output voltage?
The output voltage is adjustable using an external resistor divider connected to the FB pin. Refer to the datasheet for resistor values.
What is the maximum output current?
The LP8720 can deliver up to 600 mA of output current.
Does the LP8720 have thermal shutdown?
Yes, it includes thermal shutdown protection to prevent overheating.
Can I use ceramic capacitors at the output?
Yes, the LP8720 is stable with ceramic output capacitors (typically 4.7 µF to 22 µF).
What is the switching frequency?
The switching frequency is typically 1.6 MHz, allowing small external components.
How do I enable the device?
The LP8720 has an EN pin. Drive it high (above 1.2 V) to enable, low to disable.
What is the efficiency at light loads?
The device maintains good efficiency down to light loads due to low quiescent current (typically 30 µA).
Is the LP8720 suitable for battery-powered applications?
Yes, its low dropout voltage and high efficiency at low input voltages make it ideal for battery-powered devices.
What package options are available?
The LP8720 is offered in SOT-23 and MSOP packages.
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USER MANUAL LP8720 TEXAS INSTRUMENTS
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Product information
Brand : TEXAS INSTRUMENTS
Model : LP8720
Category : Uncategorized