3948

±1.5 A, 50 V Continuous Output Rating

Low r_DS(on) Outputs

 Programmable Mixed, Fast, and Slow Current-Decay Modes

Serial Interface Controls Chip Functions

 Synchronous Rectification for Low Power Dissipation

Internal UVLO and Thermal-Shutdown

Circuitry Crossover-Current Protection

Load Supply Voltage, V_BB...................... 50 V
Output Current, I_OUT........................ ±1.5 A
Logic Supply Voltage, V_DD.................... 7.0 V
Input Voltage, V_IN.... .. -0.3 V to V_DD + 0.3 V
Sense Voltage, V_S ............................. 0.55 V
Reference Voltage, V_REF ...................... 5.5 V
Package Power Dissipation (T_A = 25°C), P_D
   A3948SB ......................................  3.1 W*
   A3948SLB ....................................  1.6 W*
Operating Temperature Range,
   T_A............................... ... -20°C to +85°C
Junction Temperature,
   T_J ................................................  +150°C
Storage Temperature Range,
   T_S................................  -55°C to +150°C