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| 型号： | PTB48502AAS |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 48.6 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | DIP-10 |
| 文件页数： | 15/17页 |
| 文件大小： | 408K |
| 代理商： | PTB48502AAS |
www.ti.com
TYPICAL CHARACTERISTICS (1)(2)(3)
CHARACTERISTIC DATA (PTB48500A)
100
E
ff
ic
ie
n
c
y
%
IL Load Current A
VI = 48 V
90
80
70
60
50
0
2
4
6
8
10
12
VI = 36 V
VI = 75 V
(See Note B)
Power
Dissipation
W
P
D
0
2
4
6
8
10
IL Load Current A
VI = 48 V
0
2
4
6
8
10
12
VI = 36 V
VI = 75 V
(See Note B)
6
4
2
0
2
4
6
0
1
2
3
4
5
6
7
Cross
Regulation
V
O
mV
IL Load Current A
VO 1 vs IO 2
VO 2 vs IO 1
20
30
40
50
60
70
80
90
Nat Conv
400LFM
200LFM
100LFM
VI = 48 VDC
0
5
10
15
20
25
30
T
A
Ambient
T
emperature
5
C
Total Output Power W
(See Note B)
SLTS218C – SEPTEMBER 2003 – REVISED AUGUST 2006
EFFICIENCY
POWER DISSIPATION
vs
LOAD CURRENT
Figure 1.
Figure 2.
CROSS REGULATION
Vo
x vs Ioy
SAFE OPERATING AREA
Iox = 1 A and VI = 48 V
VI = 48 VDC
Figure 3.
Figure 4.
(1)
A. Characteristic data has been developed from actual products tested at 25
°C. This data is considered typical data for the converter.
(2)
B. Load current is increased proportionally from both outputs, up to the indicated maximum value of each respective output.
(3)
C. SOA curves represent the conditions at which internal components are at or below the manufacturer's maximum operating
temperatures. Derating limits apply to modules soldered directly to a 4 in.
× 4 in. double-sided PCB with 1 oz. copper.
7
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