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參數(shù)資料
| 型號： | V048F015T100 |
| 廠商： | Vicor Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | VI Chip - PRM-AL Pre-Regulator Module |
| 中文描述： | 六芯片-大羅馬尼亞黨鋁預(yù)穩(wěn)壓模塊 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 497K |
| 代理商： | V048F015T100 |
Vicor Corporation
Tel: 800-735-6200
vicorpower.com
VI Chip Voltage Transformation Module
V048K015T090
Rev. 1.0 Page 6 of 16
PRELIMINARY
pin. Once disabled, 14 V must be re-applied to the VC pin
in order to restart the VTM
Pin/Control Functions
+IN/-IN DC VOLTAGE PORTS
The VTM input should not exceed the high end of the range
specified. Be aware of this limit in applications where the VTM
is being driven above its nominal output voltage. A14 V source
must be applied to the VC pin and voltage must be present at
the +In and -In ports in order for the VTM to process power. If
the input voltage exceeds the over voltage lock-out, the VTM
will shutdown. The VTM does not have internal input reverse
polarity protection. Adding a properly sized diode in series with
the positive input or a fused reverse-shunt diode will provide
reverse polarity protection.
VC – VTM Control
The VC port is multiplexed. It receives the initial Vcc voltage
from an upstream PRM, synchronizing the output rise of the
VTM with the output rise of the PRM. Additionally, the VC
port provides feedback to the PRM to compensate for the VTM
output resistance. In typical applications using VTMs powered
from PRMs, the PRM’s VC port should be connected to the
VTM VC port.
In applications where a VTM is being used without a PRM,
14 V must be supplied to the VC port for approximately 10 ms in
order for the VTM to startup. The VTM can be operated at
input voltages below 26 V as long as the VC voltage is applied.
PC – Primary Control
The Primary Control (PC) pin is a multifunction pin for
controlling the VTM as follows:
Disable – If the PC is left floating, the VTM output
is enabled. To disable the output, the PC pin must be pulled
lower than 2.4 V, referenced to -In. Optocouplers, open
collector transistors or relays can be used to control the PC
Primary Auxiliary Supply – The PC port can source up to
2.4 mAat 5 Vdc.
TM – Temperature Monitor
The Temperature Monitor (TM) provides a linear output
proportional to the internal temperature of the VTM. At 300oK
(+27oC) the TM output is 3.0 V referenced to -In and varies
10 mV/oC. TM accuracy is +/-5oC. This feature is useful for
validating the thermal design of the system as well as
monitoring the VTM temperature in the final application.
+OUT/-OUT DC Voltage Output Ports
The output (+OUT) and output return (-OUT) are through two
sets of contact locations. The respective +OUT and –OUT
groups must be connected in parallel with as low an
interconnect resistance as possible. Within the specified input
voltage range, the Level 1 DC behavioral model shown in
Figure 20 defines the output voltage of the VTM. The current
source capability of the VTM is shown in the specification table.
To take full advantage of the VTM, the user should note the
low output impedance of the device. The low output impedance
provides fast transient response without the need for bulk POL
capacitance. Limited-life electrolytic capacitors required with
conventional converters can be reduced or even eliminated,
saving cost and valuable board real estate.
-In
Primary
Control
VTM Control
Temp.
Monitor
+In
-Out
+Out
-Out
+Out
Bottom View
A
B
C
D
E
F
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Y
AA
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AF
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AH
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AL
4 3 2 1
A
B
C
D
E
F
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M
N
P
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AA
AB
AC
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AE
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Figure 9
—VTM BGA configuration
Signal
Name
+In
–In
TM
VC
PC
BGA
Designation
A1-L1, A2-L2
AA1-AL1, AA2-AL2
P1, P2
T1, T2
V1, V2
A3-G3, A4-G4,
U3-AC3, U4-AC4
J3-R3, J4-R4,
AE3-AL3, AE4-AL4
+Out
–Out
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| V048F015T80 | VI Chip - VTM Voltage Transformation Module |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| V048F015T80 | 制造商:VICOR 制造商全稱:Vicor Corporation 功能描述:VI Chip - VTM Voltage Transformation Module |
| V048F020M006 | 制造商:POWERBOX 制造商全稱:Powerbox 功能描述:300W DC/DC VOLTAGE TRANSFORMATION MODULE PRELIMINARY |
| V048F020M009 | 制造商:POWERBOX 制造商全稱:Powerbox 功能描述:300W DC/DC VOLTAGE TRANSFORMATION MODULE PRELIMINARY |
| V048F020M012 | 制造商:POWERBOX 制造商全稱:Powerbox 功能描述:300W DC/DC VOLTAGE TRANSFORMATION MODULE PRELIMINARY |
| V048F020M015 | 制造商:POWERBOX 制造商全稱:Powerbox 功能描述:300W DC/DC VOLTAGE TRANSFORMATION MODULE PRELIMINARY |
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