SNVSBA0D February 2020 – August 2021 LM61480-Q1 , LM61495-Q1 , LM62460-Q1
PRODUCTION DATA
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
OSCILLATOR (RT and SYNC PINS) | ||||||
fOSC | Internal oscillator frequency | RT = GND | 1.90 | 2.2 | 2.42 | MHz |
fOSC | Internal oscillator frequency | RT = VCC | 350 | 400 | 440 | kHz |
fFIXED_2.2MHz | Oscillator frequency measured using maximum value of RT resistor to select 2.2 MHz | RT = 6.81 kΩ | 1.95 | 2.2 | 2.42 | MHz |
fFIXED_0.4MHz | Oscillator frequency measured using minimum value of RT resistor to select 0.4 MHz | RT = 40.2 kΩ | 352 | 400 | 448 | kHz |
fADJ | Center Trim oscillator frequency | RT = 22.6 kΩ | 630 | 700 | 770 | kHz |
SPREAD SPECTRUM | ||||||
ΔFc+ | Frequency increase of internal oscillator from spread spectrum | 1 | 4 | 7.5 | % | |
ΔFc- | Frequency decrease of internal oscillator from spread spectrum | -8 | -4 | -1 | % | |
SWITCH NODE | ||||||
DMAX | Maximum switch duty cycle | While in frequency fold-back | 98 | % | ||
fsw =1.85 MHz | 87 |