ZHCSH05A October 2017 – October 2019 LM76002 , LM76003
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| PWM LIMITS (SW PINS) | ||||||
| tON-MIN | Minimum switch on-time | 65 | 95 | ns | ||
| tOFF-MIN | Minimum switch off-time | 95 | 130 | ns | ||
| tON-MAX | Maximum switch on-time | HS timeout in dropout | 3.8 | 8 | 11.4 | µs |
| OSCILLATOR (RT and SYNC PINS) | ||||||
| fOSC | Internal oscillator frequency | RT = Open | 440 | 500 | 560 | kHz |
| fADJ | Minimum adjustable frequency by RT or SYNC | RT =133 kΩ, 0.1% | 270 | 300 | 330 | kHz |
| Maximum adjustable frequency by RT or SYNC | RT = 17.4 kΩ, 0.1% | 1980 | 2200 | 2420 | ||
| VSYNC_HIGH | Sync input high level threshold | 2 | V | |||
| VSYNC_LOW | Sync input low level threshold | 0.4 | V | |||
| VMODE_HIGH | Mode input high level threshold for FPWM | 0.42 | V | |||
| VMODE_LOW | Mode input low level threshold for AUTO mode | 0.4 | V | |||
| tSYNC_MIN | Sync input minimum on- and off-time | 80 | ns | |||