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Part: FDD03-1212D5A
Category:
Power Management
-> DC-DC Converters
Description: 3 W DC/DC Converter,input Voltage 18-72 V, Output Voltage 12/12 V, Output Current 125/125 ma
Company: Chinfa_electronics
Datasheet: Download FDD03-1212D5A datasheet File size : 217 kB
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Datasheet text preview:
FDD03 SERIES
DC - DC CONVERTER 2.5 ~ 3W WITH REMOTE FUNCTION
FEATURES
4:1 WIDE INPUT RANGE DIP24 PACKAGE I/O, O/O ISOLATION SHORT CIRCUIT PROTECTION HIGH PERFORMANCE 2 YEARS WARRANTY
MODEL LIST
MODEL NO. INPUT VO LTAG E
9~36 VDC 9~36 VDC 9~36 VDC 18~72 VDC 18~72 VDC 18~72 VDC
OUTPUT OUTPUT WATTA GE VO LTAG E Single Output Models
2.5 WATTS 3 3 3 3 WATTS WATTS WATTS WATTS + 5 VDC + 12 VDC + 15 VDC + 5 VDC + 12 VDC + 15 VDC
OUTPUT CURRENT
500 mA 250 mA 200 mA 500 mA 250 mA 200 mA
EFF. (min.)
67% 68% 68% 68% 73% 73%
FDD03 - 05S4A FDD03 - 12S4A FDD03 - 15S4A FDD03 - 05S5A FDD03 - 12S5A FDD03 - 15S5A
2.5 WATTS
Dual Output Models
FDD03 - 05D4A FDD03 - 12D4A FDD03 - 15D4A FDD03 - 05D5A FDD03 - 12D5A FDD03 - 15D5A 9~36 VDC 9~36 VDC 9~36 VDC 18~72 VDC 18~72 VDC 18~72 VDC 2.5 WATTS 3 3 3 3 WATTS WATTS WATTS WATTS 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 250 mA 125 mA 100 mA 250 mA 125 mA 100 mA 66% 68% 68% 72% 72% 75%
2.5 WATTS
Double Output Models
FDD03 - 0505D4A FDD03 - 1212D4A FDD03 - 1515D4A FDD03 - 0505D5A FDD03 - 1212D5A FDD03 - 1515D5A 9~36 VDC 9~36 VDC 9~36 VDC 18~72 VDC 18~72 VDC 18~72 VDC 2.5 WATTS 3 3 3 3 WATTS WATTS WATTS WATTS 5 / 5 VDC 12 / 12 VDC 15 / 15 VDC 5 / 5 VDC 12 / 12 VDC 15 / 15 VDC 250 / 250 mA 125 / 125 mA 100 / 100 mA 250 / 250 mA 125 / 125 mA 100 / 100 mA 66% 68% 68% 72% 72% 75%
2.5 WATTS
NOTE :
MAX. 80% LOAD WHEN INPUT VOLTAGE AT 9-11VDC FOR 9-36VDC INPUT MODELS & 18-21VDC FOR 18-72VDC INPUT MODELS.
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FDD03 SERIES
WITH REMOTE FUNCTION
CIRCUIT SCHEMATIC
Block diagram for FDD03A series with single output
Vi +
Re c t i f i e r
Vo +
Switching Device
Vi Vo -
Control
Opto Isolation
Re f e r e n c e & E r r o r Amp.
SD
Block diagram for FDD03A series with dual output
Vi +
Re c t i f i e r
Vo +
Switching Device
com
Vi -
Re c t i f i e r Opto Isolation Re f e r e n c e & E r r o r Amp.
Vo -
Control
SD
Block diagram for FDD03A series with double output
Vi +
Re c t i f i e r
Vo 1 + Vo 1 -
Switching Device
Re c t i f i e r
Vo 2 + Vo 2 -
Vi -
Control
SD
Opto Isolation
Re f e r e n c e & E r r o r Amp.
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FDD03 SERIES
WITH REMOTE FUNCTION
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
Characteristics
Switching frequency Isolation voltage Isolation resistance Ambient temperature Case temperature Derating Storage temperature M.T.B.F. Dimension Cooling Case material
Conditions
V i nom, Io nom I n p u t / Output I n p u t / Output, @ 500VDC O p e r a t i n g at Vi nom, Io nom O p e r a t i n g at Vi nom, Io nom V i nom N o n operational A c c o r d i n g to MIL-HDBK-217F, GF40 L20.3 x W31.8 x H12.7 Free air convection Plastic
min.
50 1,500 1G -25
typ.
max.
unit
KHz VDC
+ 71 + 90
o o o o
C C C
See derating curve -40 715,000 +100
%/ C Hrs mm
INPUT SPECIFICATIONS
Characteristics
Input voltage range No load input current Input voltage w/o damage
Conditions
Ta min... T max, Io nom a Io = 0 Io nom 24V models 48V models 24V models 48V models
min.
9 18
typ.
24 48
max.
36 72 12 8 40 75
unit
VDC VDC mA mA VDC VDC
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy Minimum load Line regulation Load regulation Temperature coefficient Ripple & noise Efficiency Vi nom
Conditions
Vi nom, Io nom single output models
dual output models (each output)
min.
0 20
typ.
max.
2
unit
% % %
Io nom, Vi min ...Vi max
Vi nom, Io 0 ...Io nom, single output models Vi nom, Io min ...Io nom, dual output models
1 2 5
0.02
% % % %/C mV
o
Vi nom, Io nom Vi nom, Io nom, BW = 20MHz Vi nom, Io nom, Po / Pi Up to 75%, See model list
150
CONTROL AND PROTECTION
Remote ON / OFF Input reversed Output short circuit ON: opened or 5 ~ 10VDC applied, reference to input GND OFF: -0.3 ~ 2VDC applied, reference to input GND Shunt diode built in, external fuse recommended Continuous
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FDD03 SERIES
WITH REMOTE FUNCTION
MECHANISM & PIN CONFIGURATION
mm [inch]
3 1 . 7 5 [1.25]
2 0 . 3 2 [0.80]
12 9 1 0 1 11 2
1 5 . 2 4 [0.60]
1 2 . 7 0 [0.50] D I A 0.50 [0.02] 5 . 0 8 [0.20]
B O T T O M VIEW
24 23 20 16 15 13
2 . 5 4 [0.10]
PHYSICAL CHARACTERISTICS
CASE SIZE CASE MATERIAL WEIGHT 20.3 x 31.8 x 12.7 mm 0.8 x 1.25 x 0.5 inches Plastic 15 g
PIN ASSIGNMENT
GENERAL
PIN NO. SINGLE DUAL DOUBLE 1&2 Vi+ Vi+ Vi+ 9 NO PIN NO PIN Vo110&11 NO PIN com NO PIN 12 com NO PIN Vo1+ 13 Vo + Vo Vo2+ 15 NO PIN Vo+ NO PIN 16 NO PIN NO PIN Vo220 S. D. S. D. S. D. 23&24 Vi Vi Vi -
S.D. : REMOTE ON/OFF
DERATING
100 Power out [ % ]
NATURAL CONVECTION COOLING
0 -25 Ambient Temperature [ C ]
o
71
90
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Others parts begin by fd
FD-1 FD-2 FD-3 FD-4 FD-5 FD-6 FD-7
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