概述
数据手册VASD1-DIP_08 概述
dc-dc converter DC-DC变换器
VASD1-DIP_08 数据手册
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1 of 3
date 11/2008
PART NUMBER: VASD1-DIP Series
DESCRIPTION: dc-dc converter
description
features
Designed to convert fixed volt-
ages into an isolated regulated
voltage, the VASD1-DIP series is
well suited for providing board-
mount local supplies in a wide
range of applications, including
mixed analog/digital circuits, test
& measurement equip.,
·isolated 1 W output
·temperature range: -40°C~+85°C
·unregulated
·high efficiency to 80%
·dual voltage output
·small footprint
·DIP package style
·industry standard pinout
·UL94-V0 package
process/machine controls,
datacom/telecom fields, etc...
·no heatsink required
·1K Vdc isolation
The semi-regulated output can be
followed by 3-terminal regulators
to provide output protection, in
addition to output regulation.
·power density 0.85 W/cm³
·no external component required
·low cost
MODEL
input voltage
output voltage
output current
efficiency
typ.
nominal
(V dc)
range
(V dc)
(V dc)
max.
min.
(mA)
UL60950-1
(mA)
±100
±56
(%)
VASD1-S5-D5-DIP
VASD1-S5-D9-DIP
VASD1-S5-D12-DIP
VASD1-S5-D15-DIP
VASD1-S12-D5-DIP
VASD1-S12-D9-DIP
VASD1-S12-D12-DIP
VASD1-S12-D15-DIP
VASD1-S15-D5-DIP
VASD1-S24-D5-DIP
VASD1-S24-D9-DIP
VASD1-S24-D12-DIP
VASD1-S24-D15-DIP
5
4.5~5.5
4.5~5.5
±5
±9
±10
±6
72
77
79
80
72
78
79
78
72
73
79
80
80
YES
YES
YES
YES
YES
YES
YES
YES
NO
5
5
4.5~5.5
±12
±15
±5
±42
±5
5
4.5~5.5
±33
±4
12
12
12
12
15
24
24
24
24
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
13.5~16.5
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
±100
±56
±10
±6
±9
±12
±15
±5
±42
±5
±33
±4
±100
±100
±56
±10
±10
±6
±5
YES
YES
YES
YES
±9
±12
±15
±42
±5
±33
±4
OUTPUT
parameter
conditions/description
min
nom
max
1
units
W
output power
voltage accuracy
ripple
0.1
refer to recommended circuit
±1
50
±2
%
@ 20MHz Bandwidth 5/12/15V
24 V
75
mVpp
mVpp
%
100
150
±1.2
15
line regulation
load regulation
input voltage from low to high
10% to 100% full load
5V
9V
10.5
8.3
%
15
%
12V
15V
6.8
15
%
6.3
15
%
temperature coefficient
switching frequency
refer to recommended circuit
100% load, nominal input
0.03
%/°C
kHz
100
note: 1. All specifications measured at TA-25°C, humidity <75%, normal input voltage and rated output load unless otherwise specified.
*V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise customers to verify the most up-to-
date product information before placing orders. V-Infinity assumes no liability or responsibility for customer’s applications using V-Infinity products other than repair
or replacing (at V-I’s option) V-Infinity products not meeting V-I’s published specifications. Nothing will be covered outside of standard product warranty.
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
page
2 of 3
date 11/2008
PART NUMBER: VASD1-DIP Series
DESCRIPTION: dc-dc converter
GENERAL SPECIFICATIONS
parameter
conditions/description
output short circuit protection
temperature rise at full load
cooling
<1 second
15°C typ., 25°C max.
free air convection
-40°C ~ +85°C
-55°C ~ +125°C
≤95%
operating temp. range
storage temp. range
storage humidity range
case material
plastic (UL94-V0)
>3,500,000 hours
MTBF
ISOLATION SPECIFICATIONS
parameter
conditions/description
flash tested for 1 minute
test at 500 V dc
min
nom
1000
1000
max
units
V dc
MΩ
isolation voltage
isolation resistance
OUTLINE DIMENSIONS & RECOMMENDED LAYOUT PATTERN
TYPICAL CHARACTERISTICS
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
page
date 11/2008
3 of 3
PART NUMBER: VASD1-DIP Series
DESCRIPTION: dc-dc converter
- Output voltage regulation and over-voltage protection circuit
The simplest device for output voltage regulation, over-voltage
and over-current protection is a linear voltage regulator with
overheat protection that is connected to the input or output
end in series (Figure 2).
APPLICATION NOTES:
- Requirement on output load
To ensure this module can operate efficiently and reliably,
the minimum output load should not be less than 10% of the
full load. Also, this product should never be operated under
no load conditions. If the actual output power is too small,
please connect a resistor with proper resistance at the output
end in parallel to increase the load.
FIGURE 2
- Overload protection
No parallel connection or plug and play.
Under normal operating conditions, the output circuit of these
products has no protection against overload. The simplest
method is to connect a self-recovery fuse in series at the
input end or to add a circuit breaker to the circuit.
- Recommended circuit
If you want to further decrease the input/output ripple, an “LC”
filtering network may be connected to the input and output
ends of the dc-dc converter, see (Figure 1).
FIGURE 1
It should also be noted that the inductance and the frequency
of the “LC” filtering network should be staggered with the
dc-dc frequency to avoid mutual interference. However, the
capacitance of the output filter capacitor must be proper. If the
capacitance is too big, a startup problem might arise. For
every channel of output, provided that safe and reliable
operation is ensured, the recommended capacitance of its
filter capacitor see (Table 1).
TABLE 1
Vout
Cin
(uF)
4.7
2.2
2.2
1
Vin
Cou
(uF)
(VDC)
(VDC)
5
4.7
2.2
1
5
9
12
15
12
15
24
0.47
It is not recommended to connect any external capacitor in the
application field with less than a 0.5 watt output.
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
VASD1-DIP_08 相关器件
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| VASD1-S12-D12-DIP | CUI | DC/DC converter | 获取价格 |
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| VASD1-S12-D12-SIP | CUI | DC/DC converter | 获取价格 |
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| VASD1-S12-D12-SIP-M | CUI | VASD1-S12-D12-SIP-M | 获取价格 |
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| VASD1-S12-D15-SIP | CUI | DC/DC converter | 获取价格 |
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| VASD1-S12-D15-SIP-M | CUI | VASD1-S12-D15-SIP-M | 获取价格 |
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| VASD1-S12-D5-DIP | CUI | DC/DC converter | 获取价格 |
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| VASD1-S12-D5-SIP | CUI | DC/DC converter | 获取价格 |
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| VASD1-S12-D5-SIP-M | CUI | VASD1-S12-D5-SIP-M | 获取价格 |
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