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Overview
| Topology | Wireless Power Transfer |
| Switching frequency | 250-1000 kHz |
| IC revision | 8 |
Description
The A7986A is a step-down switching regulatorwith a 3.7 A (min.) current limited embeddedpower MOSFET, so it is able to deliver up to 3 Acurrent to the load depending on the applicationconditions.The input voltage can range from 4.5 V to 38 V,while the output voltage can be set starting from0.6 V to VIN.Requiring a minimum set of external components,the device includes an internal 250 kHz switchingfrequency oscillator that can be externallyadjusted up to 1 MHz.The HSOP8 package with exposed pad allowsthe reduction of Rth(JA) down to 40 °C/W.
Features
AEC-Q100 qualified
- 3 A DC output current
- 4.5 V to 38 V input voltage
- Output voltage adjustable from 0.6 V
- 250 kHz switching frequency, programmableup 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
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, 2.2 µH, 6.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance2.2 µH | Performance Rated Current6.6 A | Saturation Current4.8 A | DC Resistance20 mΩ | Self Resonant Frequency67 MHz | Size7332 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 2.2 µH, 6.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance2.2 µH | Performance Rated Current6.9 A | Saturation Current6.5 A | DC Resistance20 mΩ | Self Resonant Frequency60 MHz | Size7345 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 2.2 µH, 5.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance2.2 µH | Performance Rated Current5.6 A | – | DC Resistance23 mΩ | Self Resonant Frequency67 MHz | Size7332 | VersionRobust | ||||
| WE-PD SMT Power Inductor, 2.2 µH, 6.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance2.2 µH | Performance Rated Current6.2 A | – | DC Resistance20 mΩ | Self Resonant Frequency60 MHz | Size7345 | VersionRobust | ||||
| WE-PD SMT Power Inductor, 3.3 µH, 4.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance3.3 µH | Performance Rated Current4.9 A | Saturation Current4.1 A | DC Resistance32 mΩ | Self Resonant Frequency61 MHz | Size7332 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 3.3 µH, 4.85 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance3.3 µH | Performance Rated Current4.85 A | Saturation Current4.6 A | DC Resistance30 mΩ | Self Resonant Frequency55 MHz | Size7345 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 3.3 µH, 4.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance3.3 µH | Performance Rated Current4.9 A | – | DC Resistance30 mΩ | Self Resonant Frequency61 MHz | Size7332 | VersionRobust | ||||
| WE-PD SMT Power Inductor, 3.3 µH, 4.75 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance3.3 µH | Performance Rated Current4.75 A | – | DC Resistance30 mΩ | Self Resonant Frequency55 MHz | Size7345 | VersionRobust | ||||
 | WE-PD SMT Power Inductor, 8.2 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance8.2 µH | – | Saturation Current4.7 A | DC Resistance49 mΩ | Self Resonant Frequency30 MHz | Size1030 | VersionPerformance | ||||
| WE-PD SMT Power Inductor, 10 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance10 µH | – | Saturation Current4.1 A | DC Resistance62 mΩ | Self Resonant Frequency25 MHz | Size1030 | VersionPerformance | ||||
 | WE-PD SMT Power Inductor, 10 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance10 µH | – | Saturation Current5 A | DC Resistance27 mΩ | Self Resonant Frequency20.5 MHz | Size1050 | VersionPerformance | ||||
| WE-PD SMT Power Inductor, 15 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance15 µH | – | Saturation Current3.4 A | DC Resistance89 mΩ | Self Resonant Frequency19.5 MHz | Size1030 | VersionPerformance | ||||
| WE-PD SMT Power Inductor, 15 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance15 µH | – | Saturation Current4.1 A | DC Resistance43 mΩ | Self Resonant Frequency16.8 MHz | Size1050 | VersionPerformance |