ZHCSKX9D May 2019 – July 2022 LM61460
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| EFFICIENCY | ||||||
| ?5V_2p1MHz | Typical 2.1-MHz efficiency | VOUT = 5 V, IOUT = 4 A, RBOOT = 0 ? | 93% | |||
| VOUT = 5 V, IOUT = 100 μA, RBOOT = 0 ?, RFBT = 1 M? | 73% | |||||
| ?3p3V_2p1MHz | Typical 2.1-MHz efficiency | VOUT = 3.3 V, IOUT = 4 A, RBOOT = 0 ? | 91% | |||
| VOUT = 3.3 V, IOUT = 100 μA, RBOOT = 0 ?, RFBT = 1 M? | 71% | |||||
| ?5V_400kHz | Typical 400-kHz efficiency | VOUT = 5 V, IOUT = 4 A, RBOOT = 0 ? | 95% | |||
| VOUT = 5 V, IOUT = 100 μA, RBOOT = 0 ?, RFBT = 1 M? | 76% | |||||
| RANGE OF OPERATION | ||||||
| VVIN_MIN1 | VIN for full functionality at reduced load, after start-up. | VOUT set to 3.3 V | 3.0 | V | ||
| VVIN_MIN2 | VIN for full functionality at 100% of maximum rated load, after start-up. | VOUT set to 3.3 V | 3.95 | V | ||
| IQ-VIN | Operating quiescent current(1) | VOUT = 3.3 V, IOUT = 0 A, auto mode, RFBT= 1 M? | 7 | μA | ||
| VOUT = 5 V, IOUT = 0 A, auto mode, RFBT= 1 M? | 10 | |||||
| VDROP1 | Input to output voltage differential to maintain regulation accuracy without inductor DCR drop | VOUT = 3.3 V, IOUT = 4 A, –3% output accuracy at 25℃ | 0.4 | V | ||
| VOUT = 3.3 V, IOUT = 4 A, –3% output accuracy at 125℃ | 0.55 | |||||
| VDROP2 | Input to output voltage differential to maintain fSW ≥ 1.85 MHz, without DCR drop | VOUT = 3.3 V, IOUT = 4 A, –3% regulation accuracy at 25℃ | 0.8 | V | ||
| VOUT = 3.3 V, IOUT = 4 A, –3% regulation accuracy at 125℃ | 1.2 | |||||
| DMAX | Maximum switch duty cycle | fSW = 1.85 MHz | 87% | |||
| While in frequency foldback | 98% | |||||
| RBOOT | ||||||
| tRISE | SW node rise time | RBOOT = 0 ?, IOUT = 2 A (10% to 80%) | 2.15 | ns | ||
| RBOOT = 100 ?, IOUT = 2 A (10% to 80%) | 2.7 | ns | ||||