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A7985ATR

Active

2 A step-down switching regulator for automotive applications

Quantity $ per Unit Savings
1 - 9$2.840%
10 - 24$2.5610%
25 - 99$2.4215%
100 - 249$2.0628%
250 - 460$1.9332%
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Out of stock
$2.84
Parameter NameParameter Value
Input Voltage Min Volt4.5
Input Voltage Max Volt38.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive
Package NamePowerSO-8

The A7985A is a step-down switching regulator with a 2.5 A (minimum) current limited embedded power MOSFET, so it is able to deliver up to 2 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.

Key features
  • AEC-Q100 qualified (see PPAP for more details)
  • 2 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