DC/DC Conve rte r
B_RN-1WR2 & B_RT-1WR2 se rie s
Stora g e Humid ity
Switc hing Fre q ue nc y
MTBF
Non-c ond e nsing
--
--
--
100
--
95
300
--
%
KHz
100% loa d, nomina l inp ut volta g e
MIL-HDFK-217F@25°C
3500
K hours
Physic a l Sp e c ific a tions
Ca sing Ma te ria l
Bla c k fla me -re ta rd a nt he a t-p roof e p oxy re sin (UL94-V0)
B_RN-1WR2
B_RT-1WR2
19.50*9.50*4.68mm
19.50*10.53*5.00mm
Pa c ka g e Dime nsions
We ig ht
1.4g (Typ.)
C ooling Me thod
Fre e a ir c onve c tion
EMC Sp e c ific a tions
Conduc te d d isturb a nc e
CISPR22/EN55022 CLASS B (se e Fig . 4 for re c omme nd e d c irc uit)
CISPR22/EN55022 CLASS B (se e Fig . 4 for re c omme nd e d c irc uit)
EMI
Ra d ia te d e mission
EMS
Ele c trosta tic d isc ha rg e
IEC/EN61000-4-2
Conta c t ±6KV Air ±8KV
p e rf. Crite ria B
Prod uc t Cha ra c te ristic Curve
Temperature Derating Curve
To le ra nc e Enve lo p e Gra p h
120
100
+10%
+5%
+2.5%
-2.5%
Ra te d
Outp ut Vo lta g e
80
60
-7.5%
Safe Operating Area
40
20
0
50 70
100
105120
85
Ambient Temp.(℃)
-40
0
40
Outp ut Curre nt Pe rc e nta g e (%)
(Nomina l Inp ut Volta g e)
Fig . 1
Fig . 2
Effic ie nc y Vs Input Vo lta g e (Full Loa d )
Effic ie nc y Vs Output Lo a d (Vin=Vin-nom ina l)
100
95
90
85
80
75
70
65
60
55
50
100
90
80
70
60
50
40
30
20
10
0
B0505RN(RT)-
1WR2
B0505RN(RT)-
1WR2
10
20 30
40
50
60 70
80
90 100
Inp ut Vo lta ge (V)
Outp ut Curre nt Pe rce nta g e (%)
De sig n Re fe re nc e
1. Typ ic a l a p p lic a tion
If it is re q uire d to furthe r re d uc e inp ut a nd outp ut rip p le , a filte r c a p a c itor c a n b e c onne c te d to the inp ut a nd output te rmina ls, se e Fig .3.
More ove r, c hoosing suita b le filte r c a p a c itor is ve ry imp orta nt , sta rt-up p rob le ms ma y b e c a use d b y too la rg e c a p a c ita nc e . To e nsure d the
mod ule s running we ll, the re c omme nd e d c a p a c itive loa d va lue s a s shown in Ta b le 1.
+Vo
Re c om me nd e d c a p a c itive loa d va lue ta ble (Ta ble 1)
Vin
Vin(VDC)
5
Cin(µF)
4.7
Vo (VDC)
5
Cout(µF)
C o ut
C in
DC
DC
10
G ND
0V
It is not re c omme nd e d to c onne c t a ny e xte rna l c a p a c itor whe n
output p owe r is le ss tha n 0.5W.
Fig .3
2014.05.06-A/0
Pa ge 2 of 4
MORNSUN Gua ngzhou Sc ie nc e & Te c hnology Co., Ltd . re se rve s the c op yright a nd right of fina l inte rp re ta tion
MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
