ZHCSK35C March 2019 – March 2021 TPS92682-Q1
PRODUCTION DATA
Table 8-3 shows the design parameters for the boost LED driver application.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| INPUT CHARACTERISTICS | ||||||
| VIN | Input voltage range | 7 | 14 | 18 | V | |
| OUTPUT CHARACTERISTICS | ||||||
| VF(LED) | LED forward voltage | 2.8 | 3.2 | 3.6 | V | |
| NLED | Number of LEDs in series | 12 | ||||
| VO | Output voltage | LED+ to LED– | 33.6 | 38.4 | 43.2 | V |
| ILED | Output current | 350 | 550 | mA | ||
| RRilED | LED current ripple ratio | 4% | ||||
| rD | LED string resistance | 3 | Ω | |||
| PO(MAX) | Maximum output power | 25 | W | |||
| fPWM | PWM dimming frequency | 400 | Hz | |||
| SYSTEMS CHARACTERISTICS | ||||||
| PO(BDRY) | Output power at CCM-DCM boundary condition | 8 | W | |||
| ΔvIN(PP) | Input voltage ripple | 20 | mV | |||
| VO(OV) | Output Overvoltage protection threshold | 50 | V | |||
| VOV(HYS) | Output Overvoltage protection hysteresis | 2.4 | V | |||
| fDM | Dither Modulation Frequency | 400 | 600 | Hz | ||
| fSW | Switching frequency | 400 | kHz | |||