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| 型號： | VE-HAM-IL |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 675 W AC-DC PWR FACTOR CORR MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-9 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 653K |
| 代理商： | VE-HAM-IL |
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
HAM, High-Boost Harmonic Attenuation Module
Rev. 2.5
Page 6 of 10
Set your site on VICOR at vicorpower.com
A/S
The HAM provides a low voltage non isolated output Auxiliary
Supply (A/S) that may be used to power primary side control
and monitoring circuitry. This output is 19 – 23 Vdc, referenced
to -OUT, at 3 mA max. Do not overload or short this output as
the HAM will fail. A typical use for A/S is to power an optical
coupler that isolates the Power OK signal (Figure 6).
E/O
The Enable Output (E/O) is used to inhibit the DC-DC
converters at start up until the hold up capacitors are charged,
at which time Enable is asserted high (open state, Figure 8).
If the AC line fails, E/O goes low when the DC output of the
HAM drops below 250 Vdc.
E/O must be connected to the Gate Input of all VI-26x and
VI-J6x drivers and / or the PC pin of the V375 DC-DC converters
(Figure 4); failure to do so may cause the converters to toggle
on and off. If an external load is connected directly to the
output of the HAM, do not apply the load until the output hold
up capacitor(s) are fully charged.
In applications using VI-26x drivers and VI-26x boosters, the
E/O pin should be connected to the Gate In pin of the driver
module only, it is not necessary to connect this pin to boosters
as they are controlled by their respective driver.
The E/O pin ancillary circuitry illustrated in Figures 4 and 5
provides transient immunity. The illustrated circuitry is the
minimum required, see Figures 4 and 5.
Component
Description
Vicor
Designation
Part Number
C1
0.1 μF ceramic, 50 V
C2, C3
0.01 μF ceramic, 50 V
C4
Hold up capacitor,
Available as a HUB
1000 to 6000 μF
from Vicor (see
adjoining table)
C5–C8
4,700 pF Y2 cap.
01000
C9,C10
0.2 μF, 500 V
Film or Ceramic
D1
1N4691 zener, 6.2 V
D2, D3
1N4006 diode, 800 V
00670
D4, D5
1N5817 schottky diode, 20 V
26108
F1, F2
Use recommended fusing for specific
DC-DC Converters
F3
20 A, 250 V
R1
50 KΩ
R2, R3
250 Ω, 0.25 W
R4**
100 KΩ, 2 W
V1
275 V MOV
30076
Z1, Z2
130 V Transorb
1.5KE130CA
Z3
150 V Transorb
1.5KE150CA
+IN
V375 DC-DC Converters
PC
PR
-IN
F2
+IN
F1
PC
PR
R1
R2
R3
C3
D3
D5
D1
D2
D4
C2
C4
C5
C6
C7
C8
JMK Filter
P/N 1319-13
12.6 A
*
+IN
GATE IN
GATE OUT
-IN
+OUT
-OUT
P/OK
E/O
A/S
VI-HAMD-xL
GATE IN
GATE OUT
-IN
+IN
+OUT
-OUT
VI-BAMD-xL
Input
Bridge
Rectifier
Vicor P/N 30660
L1
GND
L2/N
L1
L2/N
1N4006
F3
R4
**
C1
V1
C9
C10
* Consult Vicor's Applications Engineering for specific
HAMD / BAMD filtering information.
** A 100 KΩ, 2 W resistor is used for every 1,000 μF
of hold up capacitance.
Hold up Box (HUB)
Z1
Z2
Z3
10 A
2000 μF HUB1000-P 1350 W
Figure 5 — Connection Diagram, HAMD / BAMD / V375 DC-DC Converters
HAMD-CL Driver HAM: No internal bridge rectifier or synchronization diodes.
BAMD-CL Booster HAM: Companion module to HAMD-CM used for additional output power. No internal bridge rectifier.
+OUT
P/OK
–OUT
E/O
A/S
18 k
Ω, 1/4 W
"Power OK" Status
Low = OK
A/S
E/O
P/OK
+OUT
–OUT
IAS ≤ 3 mA
19 – 23 V
+
–
DO NOT OVERLOAD
or directly connect a capacitor
to the A/S terminal.
Figure 6 — Auxiliary Supply (A/S)
PIN FUNCTION / DESCRIPTION (CONT.)
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