R1232D Datasheet, PDF (20/24 Pages) RICOH electronics devices division – PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER

R1232D
14) CE Input Voltage vs. Temperature
R1232D121A
VIN=5.0V, CE=H Threshold
1.5
1.3
1.0
0.8
0.5
-40 -15 10 35 60 85
Temperature Topt(°C)
15) TEST Input Voltage vs. Temperature
R1232D121A
VIN=5.0V
1.5
1.3
1.0
0.8
0.5
-40 -15 10 35 60 85
Temperature Topt(°C)
16) Lx Transistor On Resistance vs. Temperature
Driver Tr. Pch ON Resistance
0.30
VIN=5.0V
R1232D121A
VIN=5.0V, CE=L Threshold
1.5
1.3
1.0
0.8
0.5
-40 -15 10 35 60 85
Temperature Topt(°C)
Rectifier Tr.Nch ON Resistance
0.30
VIN=5.0V
0.20
0.20
0.10
0.10
0.00
-40 -15 10 35 60 85
Temperature Topt(°C)
0.00
-40 -15 10 35 60 85
Temperature Topt(°C)
20