VASD2-S5-D12-SIP [CUI]
DC/DC converter; DC / DC转换器
| 型号： | VASD2-S5-D12-SIP |
| 厂家： | 
CUI INC |
| 描述： | DC/DC converter |
| 文件： | 总3页 (文件大小：173K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
page 1 of 3
date 08/2007
PART NUMBER: VASD2-SIP series
DESCRIPTION: DC/DC converter
description
features
·isolated 2 W output
·temperature range: -40°C~+85°C
·unregulated
Designed to convert fixed volt-
ages into an isolated voltage, the
VASD2-SIP series is well suited
for providing board-mount local
supplies in a wide range of appli-
cations, including mixed
·high efficiency to 87%
·dual voltage output
·small footprint
·DIP package style
·industry standard pinout
·UL94-V0 package
analog/digital circuits, test &
measurement equip.,
process/machine controls, data-
com/telecom fields, etc...
·no heatsink required
·1K Vdc isolation
·power density 1.42 W/cm³
·no external component required
·low cost
The semi-regulated output can be
followed by 3-terminal regulators
to provide output protection, in
addition to output regulation.
model
input voltage
output
voltage
±5 Vdc
output current
package
style
SIP
number
nominal
5 Vdc
range
max.
±200 mA
±111 mA
±83 mA
±±7 mA
±200 mA
±111 mA
±83 mA
±±7 mA
±200 mA
±111 mA
±83 mA
±±7 mA
min.
efficiency
82%
VASD2-S5-D5-SIP
VASD2-S5-D9-SIP
VASD2-S5-D12-SIP
VASD2-S5-D15-SIP
VASD2-S12-D5-SIP
VASD2-S12-D9-SIP
VASD2-S12-D12-SIP
VASD2-S12-D15-SIP
VASD2-S24-D5-SIP
VASD2-S24-D9-SIP
VASD2-S24-D12-SIP
VASD2-S24-D15-SIP
4.5~5.5 Vdc
±20 mA
±12 mA
±9 mA
5 Vdc
4.5~5.5 Vdc
±9 Vdc
83%
SIP
5 Vdc
4.5~5.5 Vdc
±12 Vdc
±15 Vdc
±5 Vdc
85%
SIP
5 Vdc
4.5~5.5 Vdc
±7 mA
85%
SIP
12 Vdc
12 Vdc
12 Vdc
12 Vdc
24 Vdc
24 Vdc
24 Vdc
24 Vdc
10.8~13.2 Vdc
10.8~13.2 Vdc
10.8~13.2 Vdc
10.8~13.2 Vdc
21.±~2±.4 Vdc
21.±~2±.4 Vdc
21.±~2±.4 Vdc
21.±~2±.4 Vdc
±20 mA
±12 mA
±9 mA
83%
SIP
±9 Vdc
84%
SIP
±12 Vdc
±15 Vdc
±5 Vdc
8±%
SIP
±7 mA
8±%
SIP
±20 mA
±12 mA
±59 mA
±7 mA
84%
SIP
±9 Vdc
85%
SIP
±12 Vdc
±15 Vdc
87%
SIP
87%
SIP
OUTPUT SPECIFICATIONS
item
test conditions
min.
0.2
typ.
max.
2
units
W
output power
line regulation
load regulation
output voltage accuracy
temperature drift
output ripple
for Vin change of 1%
10% to 100% full load
1.2
15
%
10
%
see tolerance envelope graph
@ 100% load
0.03
150
%/°C
mVp-p
KHz
20 MHz Bandwidth
100
75
switching frequency
full load, nominal input
NOTE:
1. All specifications measured at TA=25°C, humidity <75%, nominal input voltage and rated output load unless
otherwise specified.
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
page 2 of 3
date 08/2007
PART NUMBER: VASD2-SIP series
DESCRIPTION: DC/DC converter
GENERAL SPECIFICATIONS
short circuit protection
temperature rise at full load
cooling
<1 second
25°C Max, 15°C typ.
free air convection
-40°C to +85°C
-55°C to +125°C
operating temperature range
storage temperature range
soldering temperature
storage humidity range
case material
300°C (1.5mm from case for 10 sec.)
<95%
plastic (UL94-V0)
safety
approved to UL±0950-1 (E22273±)
>3,500,000 hrs.
MTBF
burn-in
full load at +85°C, for 4 hours at no-load and 4 hours at full load.
ISOLATION SPECIFICATIONS
item
test conditions
tested for 1 min.
test at 500 Vdc
min.
1000
1000
typ.
max.
units
isolation voltage
insulation resistance
Vdc
M Ω
DIMENSIONS (mm)
TYPICAL CHARACTERISTICS
Side View
Pin
Function
1
Vin
GND
-Vo
2
4
5
0V
+Vo
±
Bottom View
Ambient Temperature
)
C
(
1
2
4
5
±
Note: All Pins on a 2.54mm pitch; all pin diameters are 0.50mm; all dimensions in mm.
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
page 3 of 3
date 08/2007
PART NUMBER: VASD2-SIP series
DESCRIPTION: DC/DC converter
- Minimum loading
APPLICATION NOTES:
The converter needs a minimum of 10% loading to maintain
output regulation. Operation under no-load conditions will not
cause immediate damages but may reduce reliability, and
cause performance not to meet specifications.
- Input filtering
To reduce the reflected ripple current and minimize EMI,
especially when the converter input is more than 2” away from
the DC source, it is recommended to connect a low ESR
electrolytic capacitor between Vin and Gnd. The values
suggested are as shown in Table 1. If additional filtering is
required, the capacitance may be increased, or expanded to
an LC network as shown in Figure 1.
- Regulation
With a semi-regulated design, the converter’s output voltage
varies with load current and will change proportionally to the
input voltage. If regulated output is needed, an external
regulator can be used as shown in Figure 2.
TABLE 1
- Protection
The converter has minimal protection against input over-
voltage or output over-load, and may be permanently damaged
if exposed to these conditions. An input clamping device can
be used for input voltage limiting. An input fuse or an output
fuse also be used to protect against over-loading.
Input Voltage
5 V
External Input Capacitance
4.7 µF
2.2 µF
1.0 µF
12 V
24 V
- Dual outputs used as a single output
The +Vout and -Vout can be used to obtain a single output
that is the sum of the two outputs. In this case, the COM pin
shouldn’t be used.
- Output filtering
An output capacitor is needed to meet output ripple
requirements as shown in Table 2.Output capacitance may be
increased for additional filtering, but should not exeed 10µF or
expanded to an LC network as in Figure 1.
- External Regulator
An external 3-terminal regulator can be connected to the
output of the converter to achieve full regulation. Make sure
the converter’s output voltage provides sufficient head room
for the regulator. An additional benefit is that the built-in
protection features in the regulator, such as OCP, OTP, etc,
will protect the converter also. In a complimentory supply, a
negative output regulator must be used to achieve the
negative regulated output.
TABLE 2
External Ouput Capacitance
Vout
5 V
4.7 µF
2.2 µF
1.0 µF
0.47 µF
9 V
+Vout
+Vin
-Vin
REG
12 V
15 V
COM
-Vout
D
C
DC
+Vout
REG
+Vin
-Vin
COM
-Vout
D
C
DC
L
L
REG
+Vout
+Vin
C
COM
C
DC DC
C
L
-Vin
-Vout
<Figure 1>
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
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