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参数资料
| 型号： | ATW2805S/HB-SLV |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 4/13页 |
| 文件大小： | 230K |
| 代理商： | ATW2805S/HB-SLV |
12
APPLICATION INFORMATION
Inhibit Function
Connecting the inhibit input (Pin 2) to input com-
mon (Pin 10) will cause the converter to shut
down. It is recommended that the inhibit pin be
driven by an open collector device capable of
sinking at least 400 A of current. The open cir-
cuit voltage of the inhibit input is 11.5 ±1 VDC.
EMI Filter
An optional EMI filter (AFC461) will reduce the in-
put ripple current to levels below the limits im-
posed by MIL-STD-461 CEO3.
Remote Sense (ATW2805S only)
Better than 0.1% line and load regulation (case
temperature constant) are typical when the re-
mote sense leads are used. If the remote sense
leads are left unconnected, then the output volt-
age (measured at pins 4 and 5) will rise approxi-
mately 5.4 VDC.
If the remote sense leads are shorted together,
the output voltage may rise above 10 VDC de-
pending on load, posibly damaging both the con-
verter and load.
Device Synchronization
Whenever multiple DC/DC converters are utilized
in a single system, significant low frequency noise
may be generated due to slight differences in the
switching frequencies of the converters (beat
frequency noise). Because of the low frequency
nature of this noise (typically less than 10 KHz), it
is difficult to filter out and may interfere with
proper operation of sensitive systems (communi-
cations, radar or telemetry). Lambda Advanced
Analog offers an option which provides synchron-
ization of multiple AHE/ATW type converters, thus
eliminating this type of noise.
Typical Synchronization Connection Diagram
To take advantage of this capability, the system
designer must assign one of the converters as the
master. Then, by definition, the remaining con-
verters become slaves and will operate at the
masters’ switching frequency. The user should
be aware that the synchronization system is fail-
safe; that is, the slaves will continue operating
should the master frequency be interrupted for
any reason. The layout must be such that the
synchronization output (pin 8) of the master de-
vice is connected to the synchronization input (pin
8) of each slave device. It is advisable to keep
this run short to minimize the possibility of radiat-
ing the 250 KHz switching frequency.
The appropriate parts must be ordered to utilize
this feature. After selecting the converters re-
quired for the system, a ‘MSTR’ suffix is added
for the master converter part number and a ‘SLV’
suffix is added for slave part number. See Part
Number section.
STANDARDIZED MILITARY DRAWING
CROSS REFERENCE
Standardized
Vendor
military drawing
CAGE
similar
PIN
number
PIN
5962-9157904HZX
52467
ATW2805S/CH
5962-9157905HZX
52467
ATW2805S/CH-SLV
5962-9157906HZX
52467
ATW2805S/CH-MSTR
5962-921101HZX
52467
ATW2812S/CH
5962-921102HZX
52467
ATW2812S/CH-SLV
5962-921103HZX
52467
ATW2812S/CH-MSTR
5962-9159904HZX
52467
ATW2815S/CH
5962-9159905HZX
52467
ATW2815S/CH-SLV
5962-9159906HZX
52467
ATW2815S/CH-MSTR
Output Power (Watts)
Efficiency
(%)
ATW2805S EFFICIENCY
FILTER
ATW2805S/ES-MSTR
ATW2815D/ES-SLV
SLAVE
ATW2812S/ES-SLV
SLAVE
+5V
COMM
+15V
COMM
-15V
+12V
COMM
5
4
5
4
3
4
5
1
10
1
10
1
10
8
2
8
SYSTEM
BUS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATW2805S-MSTR | 制造商:International Rectifier 功能描述:DC/DC CONVERTER, FLANGED, MINIMUM SCREENING, MASTER - Tape and Reel |
| ATW2805S-SLV | 制造商:International Rectifier 功能描述:DC/DC CONVERTER, FLANGED, MINIMUM SCREENING, SLAVE - Bulk |
| ATW2806S | 制造商:International Rectifier 功能描述:MODULE DC-DC 1-OUT 6V 6A 30W 10-PIN (10+TAB) ATW - Bulk |
| ATW2807D | 制造商:International Rectifier 功能描述:DC/DC CONVERTER, FLANGED, MINIMUM SCREENING - Bulk |
| ATW2812D | 制造商:International Rectifier 功能描述:DC/DC CONVERTER, FLANGED, MINIMUM SCREENING - Bulk |
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