2a Synchronous Buck Li-Ion Charger
FEATURES
DESCRIPTIO
Low Power Dissipation 2a Maximum Charge Current No External MOSF...1.5mhz synchronous buck converter topology to reduce power dissipation during charging. Low power di...
...mize signal distortion. Figures 2a and 2B show two different layouts which are recommended only as guidelines. Other suitable clock layouts ...1 RTT = Z ((VOH + VOL) / (VCC - 2)) - 2 o 50 VCC - 2V RTT
Zo = 50 84 84
FIGURE 2a. LVPECL OUTP...
Description
FEMTOCLOCKS?/a> CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER FEMTOCLOCKS? CRYSTAL-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
...mize signal distortion. Figures 2a and 2B show two different layouts which are recommended only as guidelines. Other suitable clock layouts ...1 RTT = Z ((VOH + VOL) / (VCC - 2)) - 2 o 50 VCC - 2V RTT
Zo = 50 84 84
FIGURE 2a. LVPECL OUTP...
Description
FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
...mize signal distortion. Figures 2a and 2B show two different layouts which are recommended only as guidelines. Other suitable clock layouts ...1 Z ((VOH + VOL) / (VCC - 2)) - 2 o 50 VCC - 2V RTT
FOUT
FIN
Zo = 50 84 84
RTT =
FIGU...
Description
FEMTOCLOCKS?/a> CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
...MAX2450 (+3V) should drop below 2a. (Note that this supply current may be affected by leakage from bypass capacitor C17.)
Adjustments and...1 2 LEQCEQ
Analysis
1) Using the spectrum analyzer to observe the modulator output spectrum, you...