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參數(shù)資料
| 型號(hào)： | HLD15YGEN8 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 60 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 438K |
| 代理商： | HLD15YGEN8 |
REV. JUN 04, 2004
Page 5 of 8
HLD15 DC-DC Series Data Sheet
24/48V Input, 15/15A Half-Brick Converter
Typical Application
Figure 7 below shows the recommended
connections for the HLD Series converter.
Figure 7. Typical Application of HLD Series
The HLD Series converters do not require any
external components for proper operation. However,
if the distribution of the input voltage to the converter
contains significant inductance, the capacitor C1
may be required to enhance performance of the
converter.
A minimum of a 47
F electrolytic
capacitor with the ESR<0.7
is recommended for
the HLD Series.
If magnitude of the inrush current needs to be
limited, see the “Inrush Current Control Application
Note” on www.power-one.com.
For output decoupling we recommend to use a 10
F
tantalum and a1
F ceramic capacitors connected
directly across the output pins of the converter.
Note, that the capacitors do not substitute the filtering required by
the load.
Shutdown Feature Description
The ON/OFF pin in the HLD Series converters
functions as a normal soft shutdown. It is referenced
to the –Vin pin (see Figure 7).
With the standard
positive logic, when the ON/OFF pin is pulled low,
the output is turned off and the unit goes into a very
low input power mode.
With optional negative logic, when the ON/OFF pin is
pulled low, the unit is turned on.
An open collector switch is recommended to control
the voltage between the ON/OFF pin and the -Vin
pin of the converter. The ON/OFF pin is pulled up
internally, so no external voltage source is required.
The user should avoid connecting a resistor between
the ON/OFF pin and the +Vin pin.
When the ON/OFF pin is used to achieve remote
control, the user must take care to insure that the pin
reference for the control is really the -Vin pin. The
control signal must not be referenced ahead of EMI
filtering, or remotely from the unit. Optically coupling
the information and locating the optical coupler
directly at the module will solve any of these
problems.
Note:
If the ON/OFF pin is not used, it can be left floating (positive logic),
or connected to the -Vin pin (negative logic).
Output Voltage Trim
The trim feature allows the user to adjust the output
voltage from the nominal. This can be used to
accommodate a different requirement or to do
production margin testing.
The general equation for changing the output voltage
on the standard trim modules is invariant, but the
internal values are different for different output
voltages, so the constants in the equation change.
kOhm
where A and B are constants from the tables below,
and
V is the absolute value of the desired change
in the output voltage in Volts.
Table 1. Output 1 Trim Formula Parameters
Trim Up
Trim Down
Model
A
B
A
B
HLD15ZGE
3.774
5.11
11.376
8.14
HLD15ZGB
3.774
5.11
11.376
8.14
HLD15ZED
2.047
5.11
3.431
6.77
HLD15ZEB
2.047
5.11
3.431
6.77
HLD15YGE
3.774
5.11
11.376
8.14
HLD15YGB
3.774
5.11
11.376
8.14
Table 2. Output 2 Trim Formula Parameters
Trim Up
Trim Down
Model
A
B
A
B
HLD15ZGE
0.80
0.365
0.256
0.685
HLD15ZGB
2.50
2.74
1.10
4.74
HLD15ZED
6.176
10.0
6.149
14.93
HLD15ZEB
2.50
2.74
1.10
4.74
HLD15YGE
0.80
0.365
0.256
0.685
HLD15YGB
2.50
2.74
1.10
4.74
Notes:
1.
When the output voltage is trimmed up, the output power
from the converter must not exceed its maximum rating. This
,
V
B
A
R
TRIM
×
=
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| HLD15ZED-G8 | 制造商:Power-One 功能描述:DC/DC PS DUAL-OUT 3.3V/1.8V 15A 60W 10PIN HALF-BRICK - Bulk |
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