BD8622EFV_09 ROHM [Rohm], BD8622EFV_09 Datasheet - Page 14

• Manufacturer Part Number: BD8622EFV_09
• Description: Built-in 1ch FET Light Load Type DC / DC converters
• Manufacturer: ROHM [Rohm]

© 2009 ROHM Co., Ltd. All rights reserved.
BD8622EFV
www.rohm.com
Fig.16 Reference voltage - Temperature characteristic
Fig.18 Switching frequency-power-supply voltage
Fig.20 PMOS on resistance-power-supply voltage
Fig.22 Terminal EN H voltage-temperature characteristic
600.0
590.0
580.0
570.0
560.0
550.0
540.0
530.0
520.0
510.0
500.0
0.810
0.808
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
0.790
100.0
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
2.5
-25
-25
2.5
Ta = 25℃
VIN = 3.3V
0
0
3
3
AMBIENT TEMPERATURE : Ta [℃ ]
AMBIENT TEMPERATURE : Ta [℃]
25
25
3.5
3.5
INPUT VOLTAGE : Vin [V]
INPUT VOLTAGE : Vin [V]
50
50
4
4
75
75
4.5
4.5
100
100
VIN = 3.3V
Ta = 25℃
5
125
5
125
5.5
150
150
5.5
14/15
Fig.19 Switching frequency-temperature characteristic
Fig.21 PMOS on resistance-temperature characteristic
Fig.23 Circuit current-power-supply voltage characteristic
Fig.17 SS Charging current - Temperature characteristic
600.0
590.0
580.0
570.0
560.0
550.0
540.0
530.0
520.0
510.0
500.0
110.00
100.00
5.0
4.8
4.5
4.3
4.0
3.8
3.5
3.3
3.0
90.00
80.00
70.00
60.00
50.00
40.00
30.00
400.0
350.0
300.0
250.0
200.0
150.0
100.0
50.0
-25
0.0
-25
-25
2.5
VIN = 3.3V
VIN = 3.3V
Ta = 25℃
VIN = 3.3V
0
0
0
3
25
AMBIENT TEMPERATURE : Ta [℃ ]
AMBIENT TEMPERATURE : Ta [℃ ]
25
25
3.5
INPUT VOLTAGE : Vin [V]
AMBIENT TEMPERATURE : Ta [℃]
50
50
50
4
75
75
75
V
V
SW = H
FB
FC
4.5
Technical Note
2009.05 - Rev.A
100
= 0.83V
= 1.0V
100
100
5
125
125
125
150
150
150
5.5