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CSD87355Q5D 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
MOS管
封装:
LSON-CLIP
描述:
CSD87355Q5D 同步降压 NexFET™ 电源块
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3D模型
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CSD87355Q5D数据手册
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Board Temperature (qC)
Output Current (A)
0 20 40 60 80 100 120 140
0
5
10
15
20
25
30
35
40
45
D006
Switching Frequency (kHz)
Power Loss, Normalized
SOA Temperature Adj. (qC)
200 400 600 800 1000 1200 1400 1600
0.9 -2.9
1 0.0
1.1 2.9
1.2 5.9
1.3 8.8
1.4 11.8
1.5 14.7
D007
Ambient Temperature (qC)
Output Current (A)
0 10 20 30 40 50 60 70 80 90
0
5
10
15
20
25
30
35
40
45
D004
400 LFM
200 LFM
100 LFM
Nat. conv.
Ambient Temperature (qC)
Output Current (A)
0 10 20 30 40 50 60 70 80 90
0
5
10
15
20
25
30
35
40
45
D005
400 LFM
200 LFM
100 LFM
Nat. conv.
Output Current (A)
Power Loss (W)
0 5 10 15 20 25 30 35 40
0
1
2
3
4
5
6
7
8
9
10
D002
T
C
- Junction Temperature (qC)
Power Loss, Normalized
-50 -30 -10 10 30 50 70 90 110 130 150
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
1.05
D003
5
CSD87350Q5D
www.ti.com.cn
ZHCS110E –MARCH 2011–REVISED FEBRUARY 2017
Copyright © 2011–2017, Texas Instruments Incorporated
5.6 Typical Power Block Device Characteristics
T
J
= 125°C, unless stated otherwise. The typical power block system characteristic curves Figure 3, Figure 4, and Figure 5
are based on measurements made on a PCB design with dimensions of 4 in (W) × 3.5 in (L) × 0.062 in (H) and 6 copper
layers of 1-oz copper thickness. See Application and Implementation for detailed explanation.
V
IN
= 12 V V
GS
= 5 V V
OUT
= 1.3 V
ƒ
SW
= 500 kHz L
OUT
= 0.3 µH
Figure 1. Power Loss vs Output Current
V
IN
= 12 V V
GS
= 5 V V
OUT
= 1.3 V
ƒ
SW
= 500 kHz L
OUT
= 0.3 µH
Figure 2. Normalized Power Loss vs Temperature
V
IN
= 12 V V
GS
= 5 V V
OUT
= 1.3 V
ƒ
SW
= 500 kHz L
OUT
= 0.3 µH
Figure 3. Safe Operating Area (SOA) – PCB Vertical Mount
V
IN
= 12 V V
GS
= 5 V V
OUT
= 1.3 V
ƒ
SW
= 500 kHz L
OUT
= 0.3 µH
Figure 4. Safe Operating Area (SOA) – PCB Horizontal
Mount
V
IN
= 12 V V
GS
= 5 V V
OUT
= 1.3 V
ƒ
SW
= 500 kHz L
OUT
= 0.3 µH
Figure 5. Typical Safe Operating Area (SOA)
V
IN
= 12 V V
GS
= 5 V V
OUT
= 1.3 V
L
OUT
= 0.3 µH I
OUT
= 40 A
Figure 6. Normalized Power Loss vs Switching Frequency
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