R1232D RICOH [RICOH electronics devices division], R1232D Datasheet - Page 16

• Manufacturer Part Number: R1232D
• Description: PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER
• Manufacturer: RICOH [RICOH electronics devices division]

16
R1232D
4) Load Transient Response
5) Output Voltage vs. Input Voltage
6) Oscillator Frequency vs. Input Voltage
0.8
0.6
0.4
0.2
0.8
0.6
0.4
0.2
1.22
1.21
1.20
1.19
1.18
0
0
-50
-50
2.5
3.0
0
0
Output Current 10mA→600mA
Output Current 10mA→600mA
R1232D121A
R1232D121B
R1232D121A
R1232D121A
3.5
Input Voltage V
50
Time t (µs)
50
Time t (µs)
4.0
Output Voltage
100
100
Output Voltage
4.5
IN
5.0
(V)
150
150
I
OUT
V
V
IN
IN
=5.0V
=5.0V
=600mA
5.5
200
200
6.0
-0.1
-0.2
-0.3
-0.1
-0.2
-0.3
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
0
0
0.8
0.6
0.4
0.2
0.8
0.6
0.4
0.2
3.32
3.31
3.30
3.29
3.28
0
0
-50
-50
3.0
0
0
3.5
Output Current 600mA→10mA
Output Current 600mA→10mA
R1232D121A
R1232D121B
R1232D331A
R1232D121B
Input Voltage V
4.0
Time t (µs)
50
50
Time t (µs)
4.5
Output Voltage
100
Output Voltage
100
5.0
IN
(V)
150
150
I
OUT
V
V
IN
IN
=5.0V
=5.0V
=600mA
5.5
200
200
6.0
-0.1
-0.1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0