A6986F3V3
ActiveAUTOMOTIVE 38 V, 1.5 A SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR WITH 30 ΜA QUIESCENT CURRENT
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A6986F3V3
ActiveAUTOMOTIVE 38 V, 1.5 A SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR WITH 30 ΜA QUIESCENT CURRENT
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Technical Specifications
Parameters and characteristics for this part
| Specification | A6986F3V3 |
|---|---|
| Current - Output | 1.5 A |
| Frequency - Switching (Max) | 2 MHz |
| Frequency - Switching (Min) | 250 kHz |
| Function | Step-Down |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature (Max) | 150 °C |
| Operating Temperature (Min) | -40 °C |
| Output Configuration | Positive |
| Output Type | Fixed |
| Package Length | 0.173 in |
| Package Name | 16-PowerTSSOP, 16-HTSSOP |
| Package Width | 4.4 mm |
| Qualification | AEC-Q100 |
| Synchronous Rectifier | Yes |
| Topology | Buck |
| Voltage - Input (Max) | 38 V |
| Voltage - Input (Min) | 4 V |
| Voltage - Output (Min/Fixed) | 3.3 V |
A6986 Series
38 V, 5 W synchronous iso-buck converter evaluation board with single isolated output based on the A6986I
| Part | Main Purpose | Power - Output | Voltage - Output (Max) | Voltage - Output (Min) | Isolated Output Count | Output Type | Total Output Count | Regulator Topology | Voltage - Input (Maximum) | Voltage - Input (Minimum) | Contents | Utilized IC / Part | Grade | Synchronous Rectifier | Operating Temperature (Min) | Operating Temperature (Max) | Current - Output | Output Configuration | Package Length | Package Name | Package Width | Function | Voltage - Input (Min) | Mounting Type | Voltage - Input (Max) | Topology | Number of Outputs | Qualification | Voltage - Output (Min/Fixed) | Frequency - Switching (Max) | Frequency - Switching (Min) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 STMicroelectronics | DC/DC Step Down | 5 W | 3.6 V | 2.9 V | 1 | Isolated | 1 | Buck | 38 V | 4 V | Board | A6986I | |||||||||||||||||||
STMicroelectronics | Fixed | Automotive | Yes | -40 °C | 150 °C | 1.5 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 3.3 V | 2 MHz | 250 kHz | |||||||||||
 STMicroelectronics | Fixed | Automotive | Yes | -40 °C | 150 °C | 2 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 5 V | 2 MHz | 250 kHz | |||||||||||
STMicroelectronics | 38 V | Adjustable | Automotive | Yes | -40 °C | 150 °C | 1.5 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 0.85 V | 2 MHz | 250 kHz | ||||||||||
STMicroelectronics | 38 V | Adjustable | Automotive | Yes | -40 °C | 150 °C | 2 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 0.85 V | 2.2 MHz | 225 kHz | ||||||||||
STMicroelectronics | 38 V | Adjustable | Automotive | Yes | -40 °C | 150 °C | 2 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 0.85 V | 2 MHz | 250 kHz | ||||||||||
STMicroelectronics | 38 V | Adjustable | Automotive | Yes | -40 °C | 150 °C | 2 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 0.85 V | 2 MHz | 250 kHz | ||||||||||
STMicroelectronics | Fixed | Automotive | Yes | -40 °C | 150 °C | 2 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 3.3 V | 2 MHz | 250 kHz | |||||||||||
 STMicroelectronics | 38 V | Adjustable | Automotive | Yes | -40 °C | 135 °C | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 0.85 V | 2.2 MHz | 275 kHz | |||||||||||
STMicroelectronics | 38 V | Adjustable | Automotive | Yes | -40 °C | 150 °C | 2 A | Positive | 0.173 in | 16-HTSSOP 16-PowerTSSOP | 4.4 mm | Step-Down | 4 V | Surface Mount | 38 V | Buck | 1 | AEC-Q100 | 0.85 V | 2.2 MHz | 225 kHz |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | Updated |
|---|---|---|---|---|
| Digikey | N/A | 0 | $ 1.47 | 1m+ |
| Tube | 1920 | $ 1.58 | 1m+ | |
CAD
3D models and CAD resources for this part
Description
General part information
A6986 Series
The A6986I is an automotive grade device specifically designed for the isolated buck topology. The 100% duty cycle capability and the wide input voltage range meet the cold crank and load dump specifications for automotive systems. The primary output voltage can be accurately adjusted, whereas the isolated secondary output is derived by using a given transformer ratio. No optocoupler is required. The primary sink capability typically up to 1.9 A (even during soft-start) allows a proper energy transfer to the secondary side as well as enabling a tracked soft-start of the secondary output. The control loop is based on a peak current mode architecture and the device operates in forced PWM. The 300 ns blanking time filters oscillations, generated by the transformer leakage inductance, making the solution more robust. Pulse-by-pulse current sensing on both power elements implements an effective constant current protection in the primary side. Due to the primary reverse current limit, the secondary output is protected against short-circuit events. A primary output voltage supervisor, which notifies primary output voltage regulation through the RST open collector output, overvoltage protection, adjustable switching frequency, synchronization and a programmable soft-start are also available. For traditional buck topology in automotive application the A6986 / A6985F / A6986F / A6986H is recommended.