Overview
The Texas Instruments LMR10510YMFE/NOPB is a high-performance, 1A step-down DC/DC converter part of the LMR Nano SIMPLE SWITCHER® Step-Down Regulator Series. This monolithic, high-frequency PWM buck regulator is designed to provide local DC/DC conversion with fast transient response and accurate regulation in a minimal PCB area. It operates within an input voltage range of 3V to 5.5V and can adjust the output voltage from 0.6V to 4.5V, making it versatile for various applications. The regulator features internal compensation, eliminating the need for external compensation components, and includes internal soft-start circuitry, pulse-by-pulse current limit, thermal shutdown, and output overvoltage protection for reliable operation.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Vin (min) (V) | 3 | Vin (max) (V) | 5.5 |
| Vout (min) (V) | 0.6 | Vout (max) (V) | 4.5 |
| Iout (max) (A) | 1 | Iq (typ) (mA) | 3.3 |
| Switching frequency (min) (kHz) | 1600 | Switching frequency (max) (kHz) | 3000 |
| Operating temperature range (°C) | -40 to 125 | Package Type | SOT-23 |
| Pin Count | 5 | Dimensions | 3.05 x 1.75 x 1.3mm |
| Control mode | Current mode | Duty cycle (max) (%) | 94 |
| Thermal Shutdown Temperature | 165 °C | Low Shutdown Quiescent Current | 30 nA |
Key Features
- High efficiency of up to 95% for improved power savings.
- Wide input voltage range of 3V to 5.5V for versatile applications.
- Adjustable output voltage from 0.6V to 4.5V for flexibility.
- 1A output current capability for powering various load requirements.
- Internal compensation, eliminating the need for external compensation components.
- Internal soft-start circuitry to reduce inrush current.
- Pulse-by-pulse current limit, thermal shutdown, and output overvoltage protection for reliable operation.
- Low shutdown quiescent current of 30 nA.
- Compact and space-saving design with SOT-23 and WSON packaging.
Applications
- Portable electronics.
- Industrial equipment.
- Automotive electronics.
- Telecommunications infrastructure.
- Medical devices.
Q & A
- What is the input voltage range of the LMR10510YMFE/NOPB?
The input voltage range is from 3V to 5.5V.
- What is the maximum output current of the LMR10510YMFE/NOPB?
The maximum output current is 1A.
- What are the switching frequencies available for the LMR10510YMFE/NOPB?
The switching frequencies are 1.6 MHz and 3 MHz.
- Does the LMR10510YMFE/NOPB require external compensation components?
No, it is internally compensated and does not require external compensation components.
- What protection features are included in the LMR10510YMFE/NOPB?
It includes thermal shutdown, pulse-by-pulse current limit, and output overvoltage protection.
- What is the typical shutdown quiescent current of the LMR10510YMFE/NOPB?
The typical shutdown quiescent current is 30 nA.
- What are the package types available for the LMR10510YMFE/NOPB?
The package types are SOT-23 and WSON.
- What is the operating temperature range of the LMR10510YMFE/NOPB?
The operating temperature range is from -40°C to 125°C.
- Is the LMR10510YMFE/NOPB suitable for high-frequency applications?
- What is the efficiency of the LMR10510YMFE/NOPB?
The efficiency can be up to 95%.
