TLE6389
TLE6389 is Step - Down DC/DC Controller manufactured by Infineon.
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Step-Down DC/DC Controller
Target Datasheet Features
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- - 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 350k Hz 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 n F
11 13 BDS VS 7 SI CS 14 12 GDRV 2
D1
100 µF
COUT =
CIN2 = 220n F
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 =100n...
