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| 型号： | HIP5015EVAL2 |
| 厂商： | Intersil Corporation |
| 英文描述： | () |
| 中文描述： | （） |
| 文件页数： | 4/6页 |
| 文件大小： | 97K |
| 代理商： | HIP5015EVAL2 |
4-111
Output Voltage Customization
The two output voltages can be changed with a simple
resistor value change. Equations 1 and 2 describe the output
voltage relationships:
R
4
For stability reasons, it is best to change R4 and R11 to
modify the respective output voltages. Both outputs can be
safely adjusted within the range of 2.5VDC to 3.5VDC.
Voltages outside this range may also be possible, but have
not been tested.
Conclusion
The Flexible DC-DC Converter is a simple solution for
handling both single-supply and dual-supply microprocessor
architectures. With one logic signal, the converter is
programmed to be either a dual output or single output
supply. When it is supplying a single output, the two DC-DC
converters accurately share the combined output load
current.
Appendix
FIGURE 9. 3.5V OUTPUT RESPONSE TO 0-4A LOAD TRANSIENT
V
OUT
I
OUT
TIME (20
μ
s/DIV.)
3.50V
3.48V
3.46V
3.44V
4A
3A
2A
1A
0A
I
L
3.5V
OUT
R
+
(
-------------------------
)
=
(EQ. 1)
2.5V
OUT
R
-------------------------------
R
+
(
)
11
=
(EQ. 2)
SILK SCREEN
COMPONENT SIDE
SOLDER SIDE
FIGURE 10. HIP5015EVAL2 BOARD DESCRIPTION
Application Note 9625
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