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| 型號(hào)： | HW125F |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 373K |
| 代理商： | HW125F |
Lucent Technologies Inc.
3
HW125F Power Modules; dc-dc Converters:
36 Vdc to 75 Vdc Input, 3.3 Vdc Output; 83.5 W
Data Sheet
August 2000
Electrical Specifications
(continued)
Table 2. Output Specifications
* Consult your sales representative or the factory.
These are manufacturing test limits. In some situations, results may differ.
Table 3. Isolation Specifications
Parameter
Symbol
V
O, set
Min
3.25
Typ
3.3
Max
3.35
Unit
Vdc
Output Voltage Set Point
(V
I
= 48 V; I
Output Voltage
(Over all operating input voltage, resistive load, and
temperature conditions until end of life. See Figure
11.)
Output Regulation:
Line (V
I
= 36 V to 75 V)
Load (I
O
= I
O, min
to I
O, max
Temperature (T
A
= –40
°
Output Ripple and Noise Voltage (See Figures 3 and
10.):
RMS
Peak-to-peak (5 Hz to 20 MHz)
External Load Capacitance
Output Current
(At I
O
< I
O, min
, the modules may exceed output ripple
specifications.)
Output Current-limit Inception
(Shutdown threshold; see Electrical Descriptions
section.)
Efficiency
(V
I
= 48 V; I
O
= I
O, max
; T
A
= 25
Switching Frequency
Dynamic Response
(
I
O
/
t = 1 A/10
μ
s, V
I
= 48 V, T
a 10
μ
F tantalum and a 1.0
across the load.):
Load Change from I
O
= 50% to 75% of I
Peak Deviation
Settling Time (V
O
< 10% of peak deviation)
Load Change from I
O
= 50% to 25% of I
Peak Deviation
Settling Time (V
O
< 10% of peak deviation)
O
= I
O, max
; T
A
= 25
°
C)
V
O
3.20
—
3.40
Vdc
)
C to +50
°
C)
—
—
—
—
—
—
0.01
0.05
15
0.2
0.2
50
%V
%V
mV
O
O
—
—
—
I
O
—
—
0
0.5
—
—
—
—
50
200
*
25
mVrms
mVp-p
μ
F
A
I
O, cli
—
—
35
A
°
C)
η
—
87
—
%
—
—
300
—
kHz
A
= 25
°
C; tested with
μ
F ceramic capacitor
O, max
:
O, max
:
—
—
—
—
—
—
—
—
8
600
8
600
—
—
—
—
%V
O, set
μ
s
%V
O, set
μ
s
Parameter
Min
—
10
Typ
2000
—
Max
—
—
Unit
pF
M
Isolation Capacitance
Isolation Resistance
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