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VEFT1-SMT Dual Output Series Dc-Dc Converter
Rev. 11-2005
Description
Features
Designed to convert fixed volt-
ages into an isolated voltage, the
VEFT1-SMT dual series is well
suited for providing board-mount
local supplies in a wide range of
applications, including mixed ana-
log/digital circuits, test & meas-
urement equip., process/machine
controls, datacom/telecom fields,
etc...
·Isolated 1 W output
·Temperature range: -40°C~+85°C
·Unregulated
·High efficiency to 80%
·Dual voltage output
·Small footprint
·SMD package style
·Industry standard pinout
·UL94-V0 package
·No heatsink required
·3K 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
5 Vdc
Output Current
Package
Number
Nominal
5 Vdc
Range
Max.
100 ꢀm
5ꢁ ꢀm
42 ꢀm
33 ꢀm
100 ꢀm
5ꢁ ꢀm
42 ꢀm
33 ꢀm
100 ꢀm
5ꢁ ꢀm
42 ꢀm
33 ꢀm
100 ꢀm
5ꢁ ꢀm
42 ꢀm
33 ꢀm
Min.
10 ꢀm
ꢁ ꢀm
5 ꢀm
4 ꢀm
10 ꢀm
ꢁ ꢀm
5 ꢀm
4 ꢀm
10 ꢀm
ꢁ ꢀm
5 ꢀm
4 ꢀm
10 ꢀm
ꢁ ꢀm
5 ꢀm
4 ꢀm
Efficiency Style UL60950-1
VEFT1-S5-D5-SMT
VEFT1-S5-D9-SMT
VEFT1-S5-D12-SMT
VEFT1-S5-D15-SMT
VEFT1-S12-D5-SMT
VEFT1-S12-D9-SMT
VEFT1-S12-D12-SMT
VEFT1-S12-D15-SMT
VEFT1-S15-D5-SMT
VEFT1-S15-D9-SMT
VEFT1-S15-D12-SMT
VEFT1-S15-D15-SMT
VEFT1-S24-D5-SMT
VEFT1-S24-D9-SMT
VEFT1-S24-D12-SMT
VEFT1-S24-D15-SMT
4.5~5.5 Vdc
72%
75%
78%
79%
74%
7ꢁ%
78%
79%
74%
75%
79%
79%
79%
80%
80%
80%
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
SMD
YES
YES
YES
YES
YES
YES
YES
YES
NO
5 Vdc
4.5~5.5 Vdc
9 Vdc
5 Vdc
4.5~5.5 Vdc
12 Vdc
15 Vdc
5 Vdc
5 Vdc
4.5~5.5 Vdc
12 Vdc
12 Vdc
12 Vdc
12 Vdc
15 Vdc
15 Vdc
15 Vdc
15 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
13.5~1ꢁ.5 Vdc
13.5~1ꢁ.5 Vdc
13.5~1ꢁ.5 Vdc
13.5~1ꢁ.5 Vdc
21.ꢁ~2ꢁ.4 Vdc
21.ꢁ~2ꢁ.4 Vdc
21.ꢁ~2ꢁ.4 Vdc
21.ꢁ~2ꢁ.4 Vdc
9 Vdc
12 Vdc
15 Vdc
5 Vdc
9 Vdc
NO
12 Vdc
15 Vdc
5 Vdc
NO
NO
NO
9 Vdc
NO
12 Vdc
15 Vdc
NO
NO
Note:
1. mll specifications ꢀeasured at Tm=25°C, huꢀidity <75%, noꢀinal input voltage and rated output load unless
otherwise specified.
Output Specifications
Item
Test conditions
Min.
Typ.
Max.
1
Units
W
Output power
0.1
Line Regulation
Load Regulation
Output voltage accuracy
Teꢀperature drift
Output ripple
For Vin change of 1%
10% to 100% full load
See tolerance envelope graph
@ 100% load
1.2
15
%
10
%
0.03
75
%/°C
ꢀVp-p
KHz
20 MHz Bandwidth
50
Switching frequency
Full load, noꢀinal input
100
V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062
www.v-infinity.com
1-866-372-1258