ZHCSG68F MARCH 2017 – JANUARY 2019 TPSM846C23
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| OSCILLATOR | ||||||
| ƒSW | Switching frequency | Factory default setting. RT_SEL grounded, No RT resistor | 425 | 500 | 575 | kHz |
| RT = 68.1 kΩ, 1% RT_SEL open | 255 | 300 | 345 | |||
| RT = 20.0 kΩ, 1% RT_SEL open | 850 | 1000 | 1150 | |||
| Adjustment range | 300 | 1000 | ||||
| PWM | ||||||
| tON-MIN | Minimum on time(1) | 50 | 100 | ns | ||
| tOFF-MIN | Minimum off time(1) | fSW = 1MHz | 515 | 560 | ns | |
| SYNCHRONIZATION | ||||||
| VIH(sync) | High-level input voltage | 2.2 | V | |||
| VIL(sync) | Low-level input voltage | 0.8 | V | |||
| DSYNC | Sync input duty cycle | ƒSW = 300 kHz to 1 MHz | 50% | |||
| ƒSYNC | Sync frequency range | 300 | 1000 | kHz | ||