STMicroelectronics 電圧レギュレータ リニア電圧 0.6 → 38 V, 8-Pin, A7986ATR

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.

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
Applications
Dedicated to automotive applications
Automotive LED driving

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