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參數(shù)資料
| 型號： | YNV05T10010-D |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 24/26頁 |
| 文件大?。?/td> | 435K |
| 代理商： | YNV05T10010-D |
OCT 17, 2006 revised to APR 11, 2007
Page 7 of 26
www.power-one.com
YNV05T100xy DC-DC Converter Family Data Sheet
3.0-5.5 VDC Input; 0.9-3.3 VDC Output @ 10A
=
INT
R
Internal series resistor according to Table A
below [k
Ω]
Rload
Vin
Converter
Vin
GND
ON/OFF
TRIM
Vout
SENSE
Nex -v Series
TM
GND
6
5
7,8
10
3
1,2,4
9
RT-INCR
Fig. E: Configuration for increasing output voltage.
To trim down the output voltage (Fig. F), a trim
resistor (RT-DECR) should be connected between
the TRIM pin (Pin 9) and SENSE pin (Pin 3), with
a value of:
For VO-NOM ≥ 1.2V,
INT
DECR
T
R
)
V
-
(V
30.1
*
0.8)
-
(V
R
REQ
-
O
NOM
-
O
REQ
-
O
=
[k
Ω]
For VO-NOM = 1.0V, 0.9V,
INT
DECR
T
R
)
V
-
(V
30.1
*
0.7)
-
(V
R
REQ
-
O
NOM
-
O
REQ
-
O
=
[k
Ω]
where,
=
DECR
T
R
Required value of trim-down
resistor [k
Ω]
Rload
Vin
R T-DECR
Converter
Vin
ON/OFF
Nex -v Series
TM
TRIM
Vout
SENSE
GND
65
7,8
10
3
1,2,4
9
Fig. F: Configuration for decreasing output voltage.
Standard 1% and 5% resistors can be used for
trimming. Ground pin of the trim resistor should
be connected directly to the converter GND pin
(Pin 5) with no voltage drop in between.
The output voltage can also be trimmed up or
down using an external voltage source:
For VO-NOM ≥ 1.2V,
30.1
R
*
)
V
-
(V
8
.
0
V
INT
RIM
T
NOM
-
O
REQ
-
O
=
[V]
For VO-NOM = 1.0V, 0.9V,
30.1
R
*
)
V
-
(V
7
.
0
V
INT
RIM
T
NOM
-
O
REQ
-
O
=
[V]
where,
=
RIM
T
V
Output voltage applied to TRIM pin
(referenced to GND) [V]
The trim equations for the converters with
VO-NOM ≥ 1.2V are industry standard; thus allowing
easy second sourcing.
Protection Features
Input Undervoltage Lockout
Input undervoltage lockout is standard with this
converter. The converter will shut down when the
input voltage drops below a pre-determined
voltage; it will start automatically when Vin returns
to a specified range.
The input voltage must be typically 2.05V for the
converter to turn on. Once the converter has been
turned on, it will shut off when the input voltage
drops below typically 1.9V.
Output Overcurrent Protection (OCP)
The converter is protected against overcurrent and
short circuit conditions. Upon sensing an over-
current condition, the converter will enter hiccup
mode. Once the overload or short-circuit condition
is removed, Vout will return to nominal value.
Table A: Internal series Resistor RINT
V0-NOM [V]
3.3
2.5
2.0
1.8
1.5
1.2
1.0
0.9
RINT [k]
59
78.7
100
59
30.1
5.11
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