Datasheet

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UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
MDC_UEI15W.C14 Page 3 of 17
Remove overload for recovery.
MISCELLANEOUS CHARACTERISTICS
Model Family
Current Limit
Inception 98% of
Vout, after warmup
A
Short
Circuit
Protection
Method
Short
Circuit
Current
A
Short Circuit
Duration
(output shorted
to ground)➀
Pre-
biased
setup
Calculated
MTBF
Hours ➃
Operating Temperature Range
Storage
Temperature
Range
ºC
Thermal
protection/
shutdown
ºC
See
Derating
Curves
UEI15-033-Q12
6.0
Current
limiting,
hiccup
autorestart
0.3 Continuous Monotonic
2 x 10
6
–40 to +85ºC –55 to +125 ºC
115
UEI15-033-Q48
7.2 3.49 x 10
6
UEI15-050-Q12
4.6
2 x 10
6
UEI15-050-Q48
4.5
UEI15-120-Q12
2.0
UEI15-120-Q48
1.8 4.1 x 10
6
135
UEI15-150-Q12
1.6 2.1 x 10
6
115
UEI15-150-Q48
1.7 2 x 10
6
17
INPUT CHARACTERISTICS
Model Family
Start-up
threshold
V
Under-
voltage
Shut-
down
V
Refl ected
(back)
Ripple
Current
mA pk-pk
Input Current
Recom-
mended
Fast-blow
Fuse
A
Internal
Input
Filter
Type
Reverse
Polarity
Protec-
tion
Remote On/Off Control
Inrush
Transient
A
2
sec
Min.
Load
mA
Output Short
Circuit
mA
Low Line
A
Standby
Mode
mA
On/Off
Current
mA
Positive Logic
blank model
suffi x
Negative Logic
"N" model
suffi x
UEI15-033-Q12
9.1 8.6
30 0.05
100
50
1.86
1
4
C
None.
Install
external
fuse. See
note 15.
1
OFF=Gnd pin
or –0.7 to +0.7V
max. ON=open
pin or +10 to
+15V max.
OFF=open pin
or +10 to +
15V max.
ON=Gnd pin
or –0.7 to
+0.8V max.
UEI15-033-Q48
16.7 15.6 65 1.03 2
UEI15-050-Q12
9.5 8.5 105 1.90 4
UEI15-050-Q48
16.7 15.6 60 0.96 2 L
UEI15-120-Q12
9.5 8.4 110 2.04 4
C
UEI15-120-Q48
16.7 15.6 56 1.02 1.5
UEI15-150-Q12
9.5 8.4 130 2.13 4
UEI15-150-Q48
16.7 16.2 60 1.06 2
OUTPUT CHARACTERISTICS
Model Family
IOUT
Max.
mA
VOUT
Accuracy
50% Load
% of VNOM
Adjustment
Range
% of VNOM
Temperature
Coeffi cient
% of VOUT /ºC
Capacitive Loading Max.
Low ESR <0.02Ω Max,
μF
Overvoltage protection
V
OV
protection
method
Voltage Out-
put Range
Ripple/Noise
(20 MHz
bandwidth)
8
Line/Load
Regulation
Effi ciency
UEI15-033-Q12
See
Ordering
Guide
(Minimum
load is 10%
of Imax)
±1 ±10 ±0.02
1,000
4.5
Magnetic
feedback
See ordering guide
UEI15-033-Q48
3.9
UEI15-050-Q12
5.9
UEI15-050-Q48
470 5.9
UEI15-120-Q12
1,000 14.1
UEI15-120-Q48
470
15
UEI15-150-Q12
19.5
UEI15-150-Q48
20
ISOLATION CHARACTERISTICS
Model Family
Input to
Output Min.
Vdc
Isolation
Resistance
Min.
MΩ
Isolation
Capacitance
pF
Isolation
Safety
Rating
UEI15-033-Q12
2000 10 1000
Basic
insulation
UEI15-033-Q48
2250 10 1500
UEI15-050-Q12
2000 10 1500
UEI15-050-Q48
2250 10 1000
UEI15-120-Q12
2000 10 1000
UEI15-120-Q48
2250 10 1000
UEI15-150-Q12
2000 10 1500
UEI15-150-Q48
2250 10 1000
18
18
18
18
19
FUNCTIONAL SPECIFICATIONS
DYNAMIC CHARACTERISTICS
Model Family
Dynamic Load
Response
(50-75-50%
load step) μSec
to 1% V
OUT ➀
Peak
Deviation
mV
Start-up Time
Switching
Frequency
KHz
V
IN to VOUT regulated
(Max.) mSec
Remote On/Off to VOUT
regulated max.) mSec
UEI15-033-Q12
150 ±125
50 50
350
UEI15-033-Q48
100
±35 350
UEI15-050-Q12
±60 350
UEI15-050-Q48
±30 375
UEI15-120-Q12
150 ±150 340
UEI15-120-Q48
100
±200 350
UEI15-150-Q12
±125 340
UEI15-150-Q48
±175 380