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參數(shù)資料
| 型號(hào)： | YNV05T10018-DG |
| 廠商： | POWER-ONE INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 23/26頁(yè) |
| 文件大?。?/td> | 435K |
| 代理商： | YNV05T10018-DG |
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OCT 17, 2006 revised to APR 11, 2007
Page 6 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
The negative logic version turns the converter on
when the ON/OFF pin is at a logic low or left open,
and turns the converter off when the ON/OFF pin
is at a logic high or connected to Vin.
ON/OFF pin is internally pulled-up to Vin for a
positive logic version, and pulled-down for a
negative logic version. A TTL or CMOS logic gate,
open collector (open drain) transistor can be used
to drive ON/OFF pin. When using open collector
(open drain) transistor with a negative logic option,
add a pull-up resistor (R*) of 10K to Vin as shown
in Fig. C. External pull-up resistor (R*) can be
increased to 20K if minimum input voltage is more
than 4.5V. This device must be capable of:
- sinking up to 0.6 mA at a low level voltage of
≤ 0.8 V
- sourcing up to 0.25 mA at a high logic level of
2.3V – 5.5V.
Remote Sense (Pin 3)
The remote sense feature of the converter
compensates for voltage drops occurring only
between Vout of the converter and the load. The
SENSE (Pin 3) pin should be connected at the
load or at the point where regulation is required
(see Fig. D). There is no sense feature on the
output GND return pin, where a solid ground plane
is recommended to provide a low voltage drop.
If remote sensing is not required, the SENSE pin
must be connected to the Vout to ensure the
converter will regulate at the specified output
voltage. If these connections are not made, the
converter will deliver an output voltage that is
slightly higher than the specified value.
Vin
Rw
Rload
Vin
GND
ON/OFF
Converter
Nex -v Series
TM
TRIM
Vout
SENSE
GND
65
7,8
10
3
1,2,4
9
Fig. D: Remote sense circuit configuration.
Because the sense lead carries minimal current,
large trace on the end-user board is not required.
However, the sense trace should be located close
to a ground plane to minimize system noise and
insure optimum performance.
When utilizing the remote sense feature, care
must be taken not to exceed the maximum
allowable output power capability of the converter,
equal to the product of the nominal output voltage
and the allowable output current for the given
conditions.
When using remote sense, the output voltage of
the converter can be increased up to 0.5 V above
the sense point voltage in order to maintain the
required voltage across the load. Therefore, the
designer must, decrease the maximum current
(originally obtained from the derating curves) by
the same percentage to ensure the converter’s
actual output power remains at or below the
maximum allowable output power.
Output Voltage Adjust / TRIM (Pin 9)
The converter’s output voltage can be adjusted up
10% or down 10% for Vout > 1.0 V, and
+10%/-5% for Vout = 0.9 V relative to the rated
output voltage by the addition of an externally
connected resistor.
The TRIM pin should be left open if trimming is not
being used. To minimize noise pickup, a 0.1 uF
capacitor is connected internally between the
TRIM and Ground.
To trim up the output voltage, refer to Fig. E. A
trim resistor (RT-INCR) should be connected
between the TRIM pin (Pin 9) and output GND pin
(Pin 5), with a value of:
For VO-NOM ≥ 1.2V,
INT
INCR
T
R
)
V
-
(V
08
.
24
R
NOM
-
O
REQ
-
O
=
[k
Ω]
For VO-NOM = 1.0V, 0.9V,
INT
INCR
T
R
)
V
-
(V
21.07
R
NOM
-
O
REQ
-
O
=
[k
Ω]
where,
=
INCR
T
R
Required value of trim-up resistor [k
Ω]
=
REQ
O
V
Desired (trimmed) output voltage [V]
=
NOM
O
V
Nominal output voltage [V]
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| YNV05T10018-D | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
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| YNV05T10020-0 | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
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| YNV05T10020-0 | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 2V 10A 36.3W 10SIP - Bulk |
| YNV05T10020-0G | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 2V 10A 36.3W 10SIP - Bulk |
| YNV05T10020-D | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 2V 10A 36.3W 10SIP - Bulk |
| YNV05T10020-DG | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 2V 10A 36.3W 10SIP - Bulk |
| YNV05T10025-0G | 制造商:Power-One 功能描述: |
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