bd9324efj ROHM Co. Ltd., bd9324efj Datasheet - Page 6

• Manufacturer Part Number: bd9324efj
• Description: Simple Step-down Switching Regulator With Integrated Compensation
• Manufacturer: ROHM Co. Ltd.

2.5
2.4
2.3
2.2
2.1
1.9
1.8
1.7
1.6
1.5
0.95
0.94
0.93
0.92
0.91
0.89
0.88
0.87
0.86
0.85
Typical Performance Characteristics (Unless otherwise specified, VIN= 12V Ta = 25℃)
100
0.9
2
95
90
85
80
75
70
65
60
55
50
4
-40
0
0.2
Fig. STEP Down Efficiency
6
-20
Fig. Feedback voltage
(VIN= 12V V
Fig. Circuit Current
0.4
8
0.6
TEMPERATURE : [C]
0
0.8
10
VIN : [V]
OUT
Iout [A]
20
= 3.3V L= 22uH)
1
12
1.2
V
V
40
OUT
OUT
14
1.4
= 3.3V
= 5.0V
1.6
60
16
1.8
18
80
2
V
V
V
I
OUT
200
180
160
140
120
100
0.25
0.15
0.05
OUT
SW
SS
80
60
40
20
0.2
0.1
0
0
4
-40
Fig. Hi-Side On-resistance
Fig. OverCurrent Protection
6
-20
Fig. Quiescent Current
(V
8
OUT
0
is shorted to GND)
6/13
10
VIN : [V]
Ta [℃]
20
BD9322EFJ
BD9323/24EFJ
12
40
14
60
16
80
18
-0.02
-0.04
-0.06
-0.08
0.08
0.06
0.04
0.02
-0.1
390
380
370
360
350
340
330
0.01
0.1
100
0.1
10
0
1
0.001
-40
0
Fig. Operating Frequency
Fig. Input Bias Current
-20
Fig. Soft Start Time
0.5
TEMPERATURE : [C]
0.01
0
V
C
FB
SS
20
1
[V]
[uF]
40
0.1
1.5
60
80
2
1