R1225N Datasheet, PDF (11/31 Pages) RICOH electronics devices division – PWM/VFM step-down DC/DC Converter

R1225N
TIMING CHART
Case 1. Set VOUT Voltage >2.1V (Set VOUT Voltage>UVLO Voltage)
VOUT Set Output Voltage
VIN
UVLO Voltage
Input Voltage
Rising Time
UVLO Reset
VOUT Set Output Voltage
CE
CE Reset
Protection Circuit Delay Time
Protection Circuit Delay Time
VOUT Set Output Voltage
EXT
VOUT Set Output Voltage
Latch Protection
Latch Protection
VOUT
Stable Operation
Stable Operation
Stable Operation
Soft Start
Soft Start
Soft Start
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