TLE6389

www.DataSheet4U.com Step-Down DC/DC Controller Target Datasheet Features Operation from 5V to 60V Input Voltage 100% Maximum Duty Cycle Efficiency >90% Output Current up to 3A Less than 100µA Quiescent Current 2µA Max Shutdown Current Up to 350kHz Switching Frequency Adjustable and Fixed 5V and VIN 3.3V Output Voltage versions 3% output voltage accuracy (PWM Mode) Current-Mode Control Scheme On Chip Low Battery Detector Ambient operation range -40°C to 125°C R = 400k
100k
RSI2= SI1 TLE 6389 P-DSO-14-3, -4, -9, -11 RSENSE= 0.05
M1 L1 = 47 µH VOUT IOUT CIN1 = 100 µF CBDS= 220 nF 11 13 BDS VS 7 SI CS 14 12 GDRV 2 D1 100 µF COUT = CIN2 = 220nF TLE6389G50-1 SYNC GND 5 4 6 ON 1 OFF 3 FB VOUT 9 SO 10 RO RD 8 M1: Infineon SPD09P06PL D1: Motorola MBRD360 L1: Coilcraft DO3340P-473 Cin1: TBD Cout: Low ESR Tantalum SI_GND SI_ENABLE CRD =100nF Type TLE 6389 GV TLE 6389 G50 TLE 6389 G50-1 TLE 6389 G33 TLE 6389 G33-1 Ordering Code on request on request on request on request on request Package P-DSO-14 P-DSO-14 P-DSO-14 P-DSO-14 P-DSO-14 Description adjustable 5V, Device Enable 5V, SI GND, SI Enable 3.3V, Device Enable 3.3V, SI GND, SI Enable Functional description The TLE6389 step-down DC-DC switching controllers provide high efficiency over loads ranging from 1mA up to 3A. A unique PWM/PFM control scheme operates with up to a 100% duty cycle, resulting in very low dropout voltage. This control scheme eliminates minimum load requirements a...