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參數(shù)資料
| 型號(hào)： | PTB48511AAZ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 2-OUTPUT 65 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, DIP-8 |
| 文件頁(yè)數(shù)： | 17/17頁(yè) |
| 文件大小： | 544K |
| 代理商： | PTB48511AAZ |
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TYPICAL CHARACTERISTICS (Continued)
PTB4851xC CHARACTERISTIC DATA at VI = 48 V(1)(2)
0
2
8
4
10
6
P
D
-
P
o
w
e
r
D
is
s
ip
a
ti
o
n
-
W
0
0.3
0.6
0.9
1.2
1.8
1.5
2.1
(I
O1 = IO2) - Load Current - A
-300
-200
-100
0
100
200
300
C
ro
s
R
e
g
u
la
ti
o
n
-
m
V
0
0.3
0.6
0.9
1.2
1.8
1.5
2.1
I
O2 - Load Current - A
D VO1 with IO1 = 1 A
0
60
0.3
80
70
0.6
0.9
50
100
90
1.2
1.8
h
-
E
ff
ic
ie
n
c
y
-
%
1.5
2.1
(I
O1 = IO2) - Load Current - A
20
30
40
50
60
70
80
90
T
A
-
A
m
b
ie
n
t
T
e
m
p
e
ra
tu
re
-
°C
0
0.5
1.0
1.5
2.0
3.0
2.5
V
I = 48 VDC
Natural
Convection
100 LFM
200 LFM
400 LFM
(I
O1 = IO2) - Load Current - A
-300
-200
-100
0
100
200
300
C
ro
s
R
e
g
u
la
ti
o
n
-
m
V
0
0.3
0.6
0.9
1.2
1.8
1.5
2.1
I
O1 - Load Current - A
D VO2 with IO2 = 1 A
SLTS219F – FEBRUARY 2004 – REVISED MARCH 2007
Characteristic data has been developed from actual products tested at 25
°C. This data is considered typical data for the
converter.
EFFICIENCY
POWER DISSIPATION
vs
LOAD CURRENT
CROSS REGULATION
Figure 13.
Figure 11. (1)
Figure 12. (1)
CROSS REGULATION
SAFE OPERATING AREA
Figure 14.
Figure 15. (1) (2)
(1)
Under a balanced load, current flowing out of VO1 is equal to that flowing into VO2.
(2)
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.
Copyright 2004–2007, Texas Instruments Incorporated
9
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