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参数资料
| 型号： | V24A28C500BG3 |
| 厂商： | Vicor Corporation |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | CONVERTER MOD DC/DC 28V 500W |
| 设计资源： | Maxi/Mini/Micro Design Guide, Appl Manual |
| 标准包装： | 1 |
| 系列： | Maxi |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 18V |
| 电压 - 输入（最大）： | 36V |
| Voltage - Output 1： | 28V |
| 电流 - 输出（最大）： | * |
| 电源（瓦） - 制造商系列： | 500W |
| 电压 - 隔离： | * |
| 特点： | * |
| 安装类型： | 通孔 |
| 封装/外壳： | 模块 |
| 尺寸/尺寸： | 4.60" L x 2.20" W x 0.62" H（116.8mm x 55.9mm x 15.7mm） |
| 包装： | 散装 |
| 工作温度： | -20°C ~ 100°C |
| 效率： | * |
| 电源（瓦特）- 最大： | * |
24 V Input
SECONDARY CONTROL - SC PIN
Output Voltage Programming
The output voltage of the converter can be adjusted or
programmed via fixed resistors, potentiometers or voltage
DACs. See Figure 8.
PARALLEL BUS - PR PIN
Parallel Operation
The PR pin supports paralleling for increased power with N+1
(N+M) redundancy. Modules of the same input voltage, output
voltage, and power level will current share if all PR pins are
suitably interfaced.
Compatible interface architectures include the following:
to a single communication bus through 0 . 001 μ F (500 V)
Error Amplifier
–
+OUT
+S
Ru
Trim Up
AC coupled single-wire interface. All PR pins are connected
capacitors. This interface supports current sharing and is fault
tolerant except for the communication bus. Up to three
+
1 k Ω
1.23 V
SC
0.033 uF
Rd
Trim Down
Load
converters may be paralleled by this method. See Figure 9.
Transformer coupled interface. For paralleling four or more
converters a transformer coupled interface is required. See
-S
Figure 10.
100 Ω typ.
–OUT
For details on parallel operation please refer to the
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
R d (ohms) =
Figure 8 — Output voltage trim down and trim up circuit.
+
+IN
PC
Module 1
0.001 μF Z1 *
–
–IN
Low inductance 4.7 nF
or bus
+IN
Module 2
PC
0.001 μF Z1 *
Parallel
Bus
asp.vicorpower.com/calculators/calculators.asp?calc=1
+
+IN
Module 1
Z1 *
0.2 μF PC
PR
–
–IN
+IN
0.2 μF PC Module 2
Parallel
Figure 10 — Transformer-coupled interface.
1,000 Vout
Vnom – Vout
R U (ohms) = 1,000 (Vout –1.23) Vnom – 1,000
1.23 (Vout – Vnom)
Trim Down
1. This converter is not a constant power device – it has a
constant current limit. Hence, available output power is
reduced by the same percentage that output voltage is
trimmed down. Do not exceed maximum rated output current.
2. The trim down resistor must be connected between the SC
and -S pins. Do not bypass the SC pin directly with a
capacitor.
Trim Up
1. The converter is rated for a maximum delivered power. To
ensure that maximum rated power is not exceeded, reduce
maximum output current by the same percentage increase in
output voltage.
2. The trim up resistor must be connected between the SC
and +S pins. Do not bypass the SC pin directly with a
capacitor.
3. Do not trim the converter above maximum trim range
(typically +10%) or the output over voltage protection
circuitry may be activated.
Trim resistor values calculated automatically:
On-line calculators for trim resistor values are available on the
vicor website at:
Resistor values can be calculated for fixed trim up, fixed trim
down and for variable trim up or down.
4.7 nF
0.2 μF
PR
ground plane
4.7 nF
0.2 μF
PR
–IN
4.7 nF
Figure 9 — AC coupled single-wire interface.
* See Maxi, Mini, Micro Design Guide.
4.7 nF
T1
4.7 nF
4.7 nF
T 2 Z1 * PR
–IN
4.7 nF
Bus
24 V Maxi Family
Page 10 of 13
Rev 5.8
4/2013
vicorpower.com
800 735.6200
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| V24A28C500BL | 功能描述:CONVERTER MOD DC/DC 28V 500W RoHS:否 类别:电源 - 板载 >> DC DC Converters 系列:Maxi 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:36V 电压 - 输入（最大）:76V Voltage - Output 1:40V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:50W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9-BusMod 尺寸/尺寸:4.60" L x 2.40" W x 1.07" H（116.8mm x 61.0mm x 27.1mm） 包装:散装 工作温度:-40°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
| V24A28C500BL2 | 功能描述:CONVERTER MOD DC/DC 28V 500W RoHS:否 类别:电源 - 板载 >> DC DC Converters 系列:Maxi 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:55V 电压 - 输入（最大）:100V Voltage - Output 1:72V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:50W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9-FinMod 尺寸/尺寸:4.60" L x 1.86" W x 1.05" H（116.8mm x 47.2mm x 26.7mm） 包装:散装 工作温度:-40°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
| V24A28C500BL3 | 功能描述:CONVERTER MOD DC/DC 28V 500W RoHS:否 类别:电源 - 板载 >> DC DC Converters 系列:Maxi 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:36V 电压 - 输入（最大）:76V Voltage - Output 1:40V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:50W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9-BusMod 尺寸/尺寸:4.60" L x 2.40" W x 1.07" H（116.8mm x 61.0mm x 27.1mm） 包装:散装 工作温度:-40°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
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