MFG:Active Package Cooled:sop8 D/C:06+
MFG: Active
Package Cooled: sop8
D/C: 06+
Description: The ACT4070 is a current-mode step-down DC/DC converter that generates up to 3A output current at 400k...
The ACT4070 is a current-mode step-down DC/DC converter that generates up to 3A output current at 400kHz switching frequency. The device utilizes Active-Semi's proprietary ISOBCD30 process for operation with input voltage up to 30V.
Consuming only 6A in shutdown mode, the ACT4070 is highly efficient with peak efficiency at 95% when in operation. Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency fold back at short circuit. The device also includes an internal soft start function to prevent overshoot.
The ACT4070 is available in SOP-8/EP exposed pad package and requires very few external devices for operation.
| PARAMETER |
VALUE |
UNIT |
| IN to G |
-0.3 to +34 |
V |
| EN to G |
-0.3 to VIN + 0.3 |
V |
| SW to G |
-1 to VIN + 1 |
V |
| BS to SW |
-0.3 to +8 |
V |
| FB, COMP to G |
-0.3 to 6 |
V |
| Continuous SW Current |
Internally limited |
A |
| Junction to Ambient Thermal Resistance (JA) |
46 |
°C/W |
| Maximum Power Dissipation |
1.8 |
W |
| Operating Junction Temperature |
-40 to 150 |
°C |
| Storage Temperature |
-55 to 150 |
°C |
| Lead Temperature (Soldering, 10 sec) |
300 |
°C |
ACT4070
PDF/DataSheet Download
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