Additional Resources: Product Page
date 07/01/2013
page 1 of 5
SERIES: VEFT1-S-SMT │ DESCRIPTION: DC-DC CONVERTER
FEATURES
• 1 W isolated output
• industry standard 12 pin SMT package
• single unregulated outputs
• 3,000 V isolation
• short circuit protection
• UL safety approvals (some models)
• wide temperature (-40~85°C)
• efficiency up to 81%
RoHS
input
voltage
output
voltage
output
current
output
power
max
ripple
efficiency
MODEL
and noise1
typ
range
min
max
max
typ
(Vdc)
(Vdc)
(Vdc)
3.3
5
(mA)
30
20
20
12
9
(mA)
(W)
(mVp-p)
(%)
VEFT1-S3.3-S3.3-SMT
VEFT1-S3.3-S5-SMT
VEFT1-S5-S5-SMT
3.3
3.3
5
3.00~3.60
3.00~3.60
4.5~5.5
300
200
200
111
83
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
72
73
70
75
78
80
75
70
76
79
81
73
79
80
81
79
80
5
VEFT1-S5-S9-SMT
5
4.5~5.5
9
VEFT1-S5-S12-SMT
VEFT1-S5-S15-SMT
VEFT1-S12-S3.3-SMT
VEFT1-S12-S5-SMT
VEFT1-S12-S9-SMT
VEFT1-S12-S12-SMT
VEFT1-S12-S15-SMT
VEFT1-S24-S3.3-SMT
VEFT1-S24-S5-SMT
VEFT1-S24-S9-SMT
VEFT1-S24-S12-SMT
VEFT1-S24-S15-SMT
VEFT1-S24-S24-SMT
5
4.5~5.5
12
15
3.3
5
5
4.5~5.5
7
67
12
12
12
12
12
24
24
24
24
24
24
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
30
20
12
9
300
200
111
83
9
12
15
3.3
5
7
67
30
20
12
9
300
200
111
83
9
12
15
24
7
67
5
42
Notes:
1. ripple and noise are measured at 20 MHz BW
PART NUMBER KEY
VEFT1 - SXX - SXX -SMT - X
Base Number
Output Voltage
Package Options
"blank" = standard
TR = Tape & Reel
Input Voltage
Packaging Style
cui.com