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| 型號： | YNV12T05G |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, SIP-5 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大?。?/td> | 429K |
| 代理商： | YNV12T05G |
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Mar 25, 2005 revised to JUL 28, 2006
Page 6 of 26
www.power-one.com
YNV12T05 DC-DC Converter Data Sheet
9.6-14 VDC Input; 0.7525-5.5 VDC Programmable @ 5 A
Table 1: Trim Resistor Value
V0-REG [V]
RTRIM [k]
The Closest
Standard Value [k]
0.7525
open
1.0
41.42
41.2
1.2
22.46
22.6
1.5
13.05
13.0
1.8
9.02
9.09
2.0
7.42
7.50
2.5
5.01
4.99
3.3
3.12
3.09
5.0
1.47
5.5
1.21
The output voltage can also be programmed by an
external voltage source. To make trimming less
sensitive, a series external resistor Rext is
recommended between TRIM pin and programming
voltage source. Control Voltage can be calculated by
the formula:
15
0.7525)
-
)(V
R
1
(
7
.
0
V
REQ
-
O
EXT
CTRL
+
=
[V]
where,
=
CTRL
V
Control voltage [V]
=
EXT
R
External resistor between TRIM pin and
voltage source; the k
Ω value can be chosen
depending on the required output voltage range.
The control voltages with
=
EXT
R
0 and
=
EXT
R
15 k
Ω
are shown in Table 2.
Table 2: Control Voltage [VDC]
V0-REG [V]
VCTRL (REXT = 0)
VCTRL(REXT = 15 kΩ)
0.7525
0.700
1.0
0.684
0.436
1.2
0.670
0.223
1.5
0.650
-0.097
1.8
0.630
-0.417
2.0
0.617
-0.631
2.5
0.584
-1.164
3.3
0.530
-2.017
5.0
0.417
-3.831
5.5
0.384
-4.364
Protection Features
Input Under-Voltage Lockout
Input under-voltage 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 9.2 V for the
converter to turn on. Once the converter has been
turned on, it will shut off when the input voltage
drops below typically 8.4 V.
Output Overcurrent Protection (OCP)
The converter is protected against overcurrent and
short circuit conditions. Upon sensing an overcurrent
condition, the converter will enter hiccup mode. Once
over-load or short circuit condition is removed, Vout
will return to nominal value.
Overtemperature Protection (OTP)
The
converter
will
shut
down
under
an
overtemperature condition to protect itself from
overheating caused by operation outside the thermal
derating curves, or operation in abnormal conditions
such as system fan failure. After the converter has
cooled to a safe operating temperature, it will
automatically restart.
Safety Requirements
The
converter
meets
North
American
and
International safety regulatory requirements per
UL60950 and EN60950. The maximum DC voltage
between any two pins is Vin under all operating
conditions. Therefore, the unit has ELV (extra low
voltage) output; it meets SELV requirements under
the condition that all input voltages are ELV.
The converter is not internally fused. To comply with
safety agencies requirements, a recognized fuse
with a maximum rating of 7.5 Amps must be used in
series with the input line.
Characterization
General Information
The converter has been characterized for many
operational aspects, to include thermal derating
(maximum load current as a function of ambient
temperature and airflow) for vertical and horizontal
mounting,
efficiency,
start-up
and
shutdown
parameters, output ripple and noise, transient
response to load step-change, overload, and short
circuit.
The figures are numbered as Fig. x.y, where x
indicates the different output voltages, and y
associates with specific plots (y = 1 for the vertical
thermal derating, …). For example, Fig. x.1 will refer
to the vertical thermal derating for all the output
voltages in general.
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| YNV12T05-G | 功能描述:DC/DC轉(zhuǎn)換器 0.7525-5.5Vout 5A 9.6-14VIn RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| YNV12T05-G-Q | 制造商:Power-One 功能描述:DC/DC CONVERTER 0.7525-5.5V 28W |
| YNV12T10-0 | 功能描述:DC/DC轉(zhuǎn)換器 RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| YNV12T10010-0 | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 1V 10A 50W 10SIP - Bulk |
| YNV12T10010-0G | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 1V 10A 50W 10SIP - Bulk |
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