Datasheet

DS_DIM3R3400_08142013 E-mail: [e-mail]
http://www.deltaww.com/dcdc
P8
APPLICATION CIRCUITS
TYPICAL VALUES FOR ABOVE COMPONENTS:
POSITION
VALUE
NOTE
F1,F2
1A, FUSE
F3,F4
15A, FUSE
F5,F6
15A, FUSE
R1,R2
15Ω, RESISTOR
R3
3.3KΩ, RESISTOR
C1
10F, CAP
No additional output capacitors are required, this cap are
highly recommended to reduce the switching ripple and
noise.
C2
220~680F
Recommended to use 2pcs
EKZE101EC3221MK25S(220uF,ESR is 47mΩ) in parallel to
improve output voltage stability.
C3
Defined by DC/DC converter application note
C4
Optional
C_HOLD
22
_
_**2
VthCAPHU
HLDPTPower

for the definition of parameters, please see page 10
R_ TRIM
500000/(V hu -50)-10000
Connect a resistor between Hold Up_ Trim and -48V_OUT
can set the Hold up cap voltage, please see page 10