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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 4.5-38 V |
| Switching frequency | 210-275 kHz |
| Output 1 | 12 V |
| IC revision | 6 |
Description
The A7986A is a step-down switching regulator with a 3.7 A (min.) current limited embedded Power MOSFET, so it is able to deliver up to 3 A current to the load depending on the application conditions.
The input voltage can range from 4.5 V to 38 V, while the output voltage can be set starting from 0.6 V to VIN.
Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.
The HSOP8 package with exposed pad allows the reduction of Rth(JA)down to 40 °C/W.
Features
- Qualified following AEC-Q100 requirements
- 3 A DC output current
- 4.5 V to 38 V input voltage
- Output voltage adjustable from 0.6 V
- 250 kHz switching frequency, programmable up to 1 MHz
- Internal soft-start and enable
- Low dropout operation: 100% duty cycle
- Voltage feed-forward
- Zero load current operation
- Overcurrent and thermal protection
- HSOP8 package
Remarks:
- Refer page num 17 more inductor values with series.
Typical applications
- Automotive LED driving
- Dedicated to automotive applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 15 µH, 7 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance15 µH | Performance Rated Current7 A | Saturation Current4.5 A | DC Resistance28 mΩ | Self Resonant Frequency16.6 MHz | Size1260 | VersionStandard |