ZHCSM35F January 2007 – May 2021 LM5002
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| STARTUP REGULATOR | |||||||
| VVCC-REG | VCC regulator output | 6.55 | 6.85 | 7.15 | V | ||
| VCC current limit | VVCC = 6 V | 15 | 20 | mA | |||
| VCC UVLO threshold | VVCC increasing | 2.6 | 2.8 | 3 | V | ||
| VCC undervoltage hysteresis | 0.1 | V | |||||
| IIN | Bias current | VFB = 1.5 V | 3.1 | 4.5 | mA | ||
| IQ | Shutdown current (IIN) | VEN = 0 V | 95 | 130 | μA | ||
| EN THRESHOLDS | |||||||
| EN shutdown threshold | VEN increasing | 0.25 | 0.45 | 0.65 | V | ||
| EN shutdown hysteresis | 0.1 | V | |||||
| EN standby threshold | VEN increasing | 1.2 | 1.26 | 1.32 | V | ||
| EN standby hysteresis | 0.1 | V | |||||
| EN current source | 6 | μA | |||||
| MOSFET CHARACTERISTICS | |||||||
| MOSFET RDS(ON) plus current sense resistance | ID = 0.25 A | 850 | 1600 | mΩ | |||
| MOSFET leakage current | VSW = 75 V | 0.05 | 5 | μA | |||
| MOSFET gate charge | VVCC = 6.9 V | 2.4 | nC | ||||
| CURRENT LIMIT | |||||||
| ILIM | Cycle by cycle current limit | 0.4 | 0.5 | 0.6 | A | ||
| Cycle by cycle current limit delay | 100 | 200 | ns | ||||
| OSCILLATOR | |||||||
| FSW1 | Frequency1 | RRT = 48.7 kΩ | 225 | 260 | 295 | KHz | |
| FSW2 | Frequency2 | RRT = 15.8 kΩ | 660 | 780 | 900 | KHz | |
| VRT-SYNC | SYNC threshold | 2.2 | 2.6 | 3.2 | V | ||
| SYNC pulse width minimum | VRT > VRT-SYNC + 0.5 V | 15 | ns | ||||
| PWM COMPARATOR | |||||||
| Maximum duty cycle | 80% | 85% | 90% | ||||
| Minimum ON-time | VCOMP > VCOMP-OS | 25 | ns | ||||
| Minimum ON-time | VCOMP < VCOMP-OS | 0 | ns | ||||
| VCOMP-OS | COMP to PWM comparator offset | 0.9 | 1.3 | 1.55 | V | ||
| ERROR AMPLIFIER | |||||||
| VFB-REF | Feedback reference voltage | Internal reference and VFB = VCOMP | 1.241 | 1.26 | 1.279 | V | |
| FB bias current | 10 | nA | |||||
| DC gain | 72 | dB | |||||
| COMP sink current | VCOMP = 250 mV | 2.5 | mA | ||||
| COMP short circuit current | VFB = 0 V and VCOMP = 0 V | 0.9 | 1.2 | 1.5 | mA | ||
| COMP open circuit voltage | VFB = 0 V | 4.8 | 5.5 | 6.2 | V | ||
| COMP to SW delay | 42 | ns | |||||
| Unity gain bandwidth | 3 | MHz | |||||
| THERMAL SHUTDOWN | |||||||
| TSD | Thermal shutdown threshold | 165 | °C | ||||
| Thermal shutdown hysteresis | 20 | °C | |||||