Other Parts Discussed in Thread: TPS92643EVM-204
Tool/software:
Paramaeter | MIN | TYP | MAX | ||
Vin | Input voltage | 9 | 13.5 | 16 | |
Ns | Number of LEDs | 2 | |||
Vf(led) | LED forward voltage drop | 3 | 3.2 | 3.5 | |
rD | LED string series resistance | 0.2 | 0.5 | Ω | |
VCSN | Output voltage | 6 | 6.4 | 7 | |
Iled | LED current continuous | 1.05 | |||
ΔiLED | LED current ripple | 0.08 | % | ||
ΔiL | Inductor current ripple | 0.0651 | |||
VIN(DO,RISE) | Start input voltage | 9 | V | ||
VIN(DO,FALL) | Stop input voltage | 7.9 | V | ||
fPWM | PWM frequency | 200 | Hz | ||
DPWM | PWM dimming duty cycle | 4 | 100 | % | |
fSW | Switching frequency | 400000 | Hz | ||
TA | Ambient temperature | 25 | °C |
I have designed the TPS92643 with respect to above mentioned specification but not able to meet the desired output voltage,
Could you pleas help us with this ?