rev.
page 2 of 4
date 04/2008
PART NUMBER: VBT1-SMT series
DESCRIPTION: dc-dc converter
OUTPUT SPECIFICATIONS
item
test conditions
min.
typ.
max.
1
units
W
output power
0.1
line regulation
load regulation
output voltage accuracy
temperature 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
20 MHz bandwidth
50
mVp-p
mVp-p
KHz
output noise
20 MHz bandwidth
75
150
switching frequency
full load, nominal input
100
GENERAL SPECIFICATIONS
short circuit protection
temperature rise at full load
cooling
operating temperature range
storage temperature range
soldering temperature
storage humidity range
case material
<1 second
25°C Max, 15°C typ.
free air convection
-40°C to +85°C
-55°C to +125°C
260°C (1.5mm from case for 10 sec.)
<95%
plastic (UL94-V0)
safety
approved to UL60950-1 (E222736)
>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
Vdc
isolation voltage
insulation resistance
M Ω
NOTE:
1. All specifications measured at TA=25°C, humidity <75%, nominal input voltage and rated output load unless otherwise specified.
REFLOW SOLDERING PROFILE
260oC
250
200
150
100
10 Sec Max
220o C
90 Sec Max
(>220oC)
50
0
Time (sec.)
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
CUI [ CUI INC ]
