參數(shù)資料
型號(hào)： YNV12T10-0-G
廠(chǎng)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
封裝： SIP-10
文件頁(yè)數(shù)： 23/25頁(yè)
文件大?。?/td> 322K
代理商： YNV12T10-0-G
MCD10202 Rev. 1.0, 24-Jun-10
Page 7 of 25
www.power-one.com
YNV12T10 DC-DC Converter Data Sheet
9.6-14 VDC Input; 0.7525-5.5 VDC Programmable @ 10A
depending on the required output voltage range
[k
]
Control voltages with
EXT
R
0 and
EXT
R
15K are
shown in Table 2.
Table 2: Control Voltage [VDC]
V0-REG [V]
VCTRL (REXT = 0)
VCTRL(REXT = 15K)
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 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 at least 9.6V (typically
9V) for the converter to turn on. Once the
converter has been turned on, it will shut off when
the input voltage drops below typically 8.5V.
Output Overcurrent Protection (OCP)
The converter is protected against over-current
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 over-
temperature 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 15 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.
The following pages contain specific plots or
waveforms
associated
with
the
converter.
Additional comments for specific data are provided
below.
Test Conditions
All thermal and efficiency data presented were
taken with the converter soldered to a test board,
specifically a 0.060” thick printed wiring board
(PWB) with four layers. The top and bottom layers
were not metalized. The two inner layers,
comprising two-ounce copper, were used to
provide traces for connectivity to the converter.
The lack of metalization on the outer layers as well
as the limited thermal connection ensured that
heat transfer from the converter to the PWB was
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