bd9575fv-e2 ROHM Co. Ltd., bd9575fv-e2 Datasheet - Page 4

• Manufacturer Part Number: bd9575fv-e2
• Description: Switching Regulators Ddr-sdram Cores
• Manufacturer: ROHM Co. Ltd.

●Reference Data
© 2009 ROHM Co., Ltd. All rights reserved.
BD9575FV
www.rohm.com
4.30
4.25
4.20
4.15
4.10
4.05
4.00
400
350
300
250
200
150
100
600
590
580
570
560
550
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
50
0
0.6
Fig.7 V
-10
-10
0
Fig.4 Ta vs UVLO (V
0.8
Fig.10 REF-ON TIME
10
10
1.5
CC
Fig.1 Ta vs Icc
1
Sweep down
(V
Sweep up
vs VREG (Start up)
30
30
1.2
IN
REF [V]
3
Vcc [V]
Ta [℃]
Ta (℃)
=25V)
Bottom: 100℃
Middle: 25℃
50
50
Right: -10℃
1.4
Middle: 25℃
Left: 100℃
4.5
Top: -10℃
1.6
70
70
IN
1.8
6
)
90
90
2
2.500
2.498
2.496
2.494
2.492
2.490
1200
1000
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1000
800
600
400
200
900
800
700
600
500
400
300
200
100
0
0
-10
-10
0.6
5
Fig.5 Ta vs UVLO (VREG)
Fig.8 REF vs ON TIME
0.8
Fig.11 V
10
Fig.2 Ta vs VREG
10
10
1
(REF=1.8V)
Sweep down
4/20
(V
30
30
Sweep up
1.2
REF [V]
IN
Ta (℃)
VIN [V]
Ta [℃]
IN
=7V)
15
-ON TIME
50
50
1.4
Bottom: 100℃
Bottom: 100℃
Middle: 25℃
Middle: 25℃
Top: -10℃
Top: -10℃
1.6
70
70
20
1.8
90
90
25
2
4.30
4.25
4.20
4.15
4.10
4.05
4.00
600
500
400
300
200
100
1.7
1.6
1.5
1.4
1.3
1.2
-1
-2
-3
3
2
1
0
0
-10
-10
-10
0.6
Fig.6 Ta vs EN Threshold
Fig.12 Ta vs V
Fig.3 Ta vs UVLO (V
Fig.9 REF vs ON TIME
0.8
10
10
10
1
(V
30
30
30
Technical Note
2009.04 - Rev.B
1.2
IN
REF [V]
Ta [℃]
Ta [ ℃ ]
Ta [℃]
Sweep down
Sweep down
=12V)
Sweep up
Sweep up
50
50
50
Bottom: 100℃
1.4
OUT
Middle: 25℃
Top: -10℃
1.6
70
70
70
offset
CC
1.8
90
90
90
)
2