IR3897MPBF datasheet(5/47 Pages) IRF

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JANUARY 18, 2013 |DATA SHEET | Rev 3.5

IR3897

4A Highly Integrated SupIRBuck

Single‐Input Voltage, Synchronous Buck Regulator

PD‐97663

ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are

stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the

operational sections of the specifications are not implied.

PVin, Vin

‐0.3V to 25V

Vcc/LDO_Out ‐0.3V to 8V (Note 2)

Boot

‐0.3V to 33V

SW ‐0.3V to 25V (DC), ‐4V to 25V (AC, 100ns)

Boot to SW

‐0.3V to VCC + 0.3V (Note 1)

S_Ctrl, PGood ‐0.3V to VCC + 0.3V (Note 1)

Other Input/Output Pins

‐0.3V to +3.9V

PGnd to Gnd ‐0.3V to +0.3V

Storage Temperature Range

‐55°C to 150°C

Junction Temperature Range ‐40°C to 150°C (Note 2)

ESD Classification (HBM JESD22‐A114)

2kV

Moisture Sensitivity Level

JEDEC Level 2@260°C

Note 1: Must not exceed 8V

Note 2: Vcc must not exceed 7.5V for Junction Temperature between ‐10°C and ‐40°C

IR3897MPBF Datasheet(PDF) 5 Page - International Rectifier