ncp3121 ON Semiconductor, ncp3121 Datasheet - Page 19

• Manufacturer Part Number: ncp3121
• Description: Dual 3.0 A, Step-down Dc/dc Switching Regulator
• Manufacturer: ON Semiconductor

VOUT1 & VOUT2
& EN2/SEQ2
PG1 & PG2
EN1/SEQ1
SS1 & SS2
Figure 35. Ratiometric Mode - Start of OLM
Figure 33. Ratiometric Mode - Power-up
90% V
90% V
(min)
(min)
FB2
FB1
Figure 32. Typical Behavior of Ratiometric Sequencing Mode
0.8V
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NCP3121
4V
19
Figure 34. Ratiometric Mode - Power-down
Figure 36. Ratiometric Mode - End of OLM
0.8V
hyst + delay