L6981NDR
ActiveCONV DC-DC 3.5V TO 38V SYNCHRONOUS STEP DOWN SINGLE-OUT 0.85V TO 38V 1.5A 8-PIN SO N T/R
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L6981NDR
ActiveCONV DC-DC 3.5V TO 38V SYNCHRONOUS STEP DOWN SINGLE-OUT 0.85V TO 38V 1.5A 8-PIN SO N T/R
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Technical Specifications
Parameters and characteristics for this part
| Specification | L6981NDR |
|---|---|
| Current - Output | 1.5 A |
| Frequency - Switching | 400 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 150 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 0.154 in |
| Package / Case | 8-SOIC |
| Package / Case | 3.9 mm |
| Supplier Device Package | 8-SO |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 38 V |
| Voltage - Input (Min) [Min] | 3.5 V |
| Voltage - Output (Max) [Max] | 38 V |
| Voltage - Output (Min/Fixed) | 0.85 V |
L6981 Series
38 V, 1.5 A synchronous step-down converter with 20 µA quiescent current
| Part | Number of Outputs | Frequency - Switching | Mounting Type | Voltage - Input (Min) [Min] | Current - Output | Voltage - Input (Max) [Max] | Package / Case | Package / Case | Package / Case | Synchronous Rectifier | Topology | Supplier Device Package | Output Configuration | Function | Operating Temperature [Min] | Operating Temperature [Max] | Voltage - Output (Min/Fixed) | Voltage - Output (Max) [Max] | Output Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 STMicroelectronics | 1 | 400 kHz | Surface Mount | 3.5 V | 1.5 A | 38 V | 0.154 in | 8-SOIC | 3.9 mm | Buck | 8-SO | Positive | Step-Down | -40 °C | 150 °C | 3.3 V | |||
STMicroelectronics | 1 | 400 kHz | Surface Mount | 3.5 V | 1.5 A | 38 V | 0.154 in | 8-SOIC | 3.9 mm | Buck | 8-SO | Positive | Step-Down | -40 °C | 150 °C | 0.85 V | 38 V | Adjustable | |
 STMicroelectronics | 1 | 400 kHz | Surface Mount | 3.5 V | 1.5 A | 38 V | 0.154 in | 8-SOIC | 3.9 mm | Buck | 8-SO | Positive | Step-Down | -40 °C | 150 °C | 3.3 V | |||
 STMicroelectronics | 1 | 400 kHz | Surface Mount | 3.5 V | 1.5 A | 38 V | 0.154 in | 8-SOIC | 3.9 mm | Buck | 8-SO | Positive | Step-Down | -40 °C | 150 °C | 5 V | |||
STMicroelectronics | 1 | 400 kHz | Surface Mount | 3.5 V | 1.5 A | 38 V | 0.154 in | 8-SOIC | 3.9 mm | Buck | 8-SO | Positive | Step-Down | -40 °C | 150 °C | 5 V | |||
STMicroelectronics | 1 | 400 kHz | Surface Mount | 3.5 V | 1.5 A | 38 V | 0.154 in | 8-SOIC | 3.9 mm | Buck | 8-SO | Positive | Step-Down | -40 °C | 150 °C | 0.85 V | 38 V | Adjustable |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 59 | $ 2.25 | |
Description
General part information
L6981 Series
The L6981 is an easy to use synchronous monolithic step-down regulator capable of delivering up to 1.5 A DC to the load. The wide input voltage range makes the device suitable for a broad range of applications. The L6981 is based on a peak current mode architecture and is packaged in an SO8 with internal compensation, thus minimizing design complexity and size.
The L6981 is available both in low consumption mode (LCM) and low noise mode (LNM) versions. LCM maximizes the efficiency at light-load with controlled output voltage ripple so the device is suitable for battery-powered applications.
LNM makes the switching frequency constant and minimizes the output voltage ripple for light-load operations, meeting the specification for low noise sensitive applications.