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参数资料
| 型号： | V28A36C200BL |
| 厂商： | Vicor Corporation |
| 文件页数： | 8/11页 |
| 文件大小： | 0K |
| 描述： | CONVERTER MOD DC/DC 36V 200W |
| 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）： | 9V |
| 电压 - 输入（最大）： | 36V |
| Voltage - Output 1： | 36V |
| 电流 - 输出（最大）： | * |
| 电源（瓦） - 制造商系列： | 200W |
| 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： | * |
| 其它名称： | 1102-1299 V28A36C200BL-ND |
28 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.
R d (ohms) =
–OUT
1,000 Vout
Vnom – Vout
For details on parallel operation please refer to the
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
4.7 nF
R U (ohms) = 1,000 (Vout –1.23) Vnom – 1,000
1.23 (Vout – Vnom)
Figure 8 — Output voltage trim down and trim up circuit.
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.
+
–
0.2 μF
0.001 μF Z1 *
4.7 nF
Low inductance
ground plane
or bus
4.7 nF
0.2 μF
0.001 μF Z1 *
+IN
PC
PR
–IN
+IN
PC
PR
Module 1
Module 2
2. The trim down resistor must be connected between the SC
–IN
and -S pins. Do not bypass the SC pin directly with a
capacitor.
Parallel
Bus
4.7 nF
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
Figure 9 — AC coupled single-wire interface.
* See Maxi, Mini, Micro Design Guide.
4.7 nF
output voltage.
+
+IN
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.
–
T1
0.2 μF
Z1 *
4.7 nF
4.7 nF
PC
PR
–IN
+IN
Module 1
asp.vicorpower.com/calculators/calculators.asp?calc=1
Module 2
Z1 *
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.
0.2 μF PC
T2
PR
–IN
4.7 nF
Parallel
Bus
Figure 10 — Transformer-coupled interface.
28 V Wide Maxi Family
Page 8 of 11
Rev 2.3
2/2013
vicorpower.com
800 735.6200
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