bd8622efv ROHM Co. Ltd., bd8622efv Datasheet - Page 14

• Manufacturer Part Number: bd8622efv
• Description: Built-in 1ch Fet Light Load Type Dc/dc Converters
• Manufacturer: ROHM Co. Ltd.

Fig.18
Fig.22 Terminal EN H voltage-temperature characteristic
Fig.16
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
Fig.20 PMOS on resistance-power-supply voltage
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
Switching frequency-power-supply voltage characteristic
Reference voltage - Temperature characteristic
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
150
5.5
150
5.5
14 / 15
Fig.23 Circuit current-power-supply voltage characteristic
Fig.17 SS Charging current - Temperature characteristic
Fig.21 PMOS on resistance-temperature characteristic
600.0
590.0
580.0
570.0
560.0
550.0
540.0
530.0
520.0
510.0
500.0
Fig.19
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℃
Switching frequency-temperature characteristic
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
4.5
V
V
SW = H
100
100
100
FB
FC
= 0.83V
= 1.0V
5
125
125
125
150
150
150
5.5