RH5RH301A Datasheet, PDF (17/29 Pages) RICOH electronics devices division – PWM STEP-UP DC/DC CONVERTER

RH5RH
RH5RH301A
L=270µH
70
60
50
40 _VIN=0.9V
30
2.0V
20
3.0V
10
0
1 10 20 30 40 50 60 70 80
Output Current IOUT(mA)
RH5RH501A
L=270µH
80
70
60
50
3.0V
40
4.0V
30 _2.0V
20
10
VIN=0.9V
0
1 10 20 30 40 50 60 70 80 90
Output Current IOUT(mA)
70
60 ^VIN=0.9V
50
RH5RH302B
2.0V
L=28µH
3.0V
40
30
20
10
0
1
50
100
150
200
Output Current IOUT(mA)
RH5RH502B
L=28µH
120
2.0V
100
3.0V
80
60
40
VIN=0.9V
20
4.0V
0
1
50
100 150 200 250
Output Current IOUT(mA)
5) Start-up/Hold-on Voltage vs. Output Current (Topt=25˚C)
RH5RH301A
L=120µH
1.4
1.2
1.0 _Vstart
0.8
0.6
Vhold
0.4
0.2
0
0
10
20
30
Output Current IOUT(mA)
RH5RH501A
1.6
L=120µH
1.4
1.2
Vstart
1.0
0.8
0.6
Vhold
0.4
0.2
0
0
10
20
30
Output Current IOUT(mA)
16