ncp1578 ON Semiconductor, ncp1578 Datasheet - Page 16

• Manufacturer Part Number: ncp1578
• Description: Synchronous Step Down Controller With 50ma Linear Regulator
• Manufacturer: ON Semiconductor

NCP1578
TIMING DIAGRAMS
(Continuous)
VBAT
VIN
LDO5
EN_SW
V
Drop Rate Depends on
SMPS
out
Output Loading
VOUT
PGDLY
PGOOD
LDO5 > 4.5 V
to Enable IC
EN_SW Goes
SMPS In
PGOOD Delay
PGOOD Goes Low Whenever
High
Regulation
and Goes High
EN_SW Goes Low
Figure 34. External 5 V (Connect to V
and LDO5) and V
Configuration
BAT
in
http://onsemi.com
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