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FD-Family
Switching Regulators, PCB + Chassis
Benign Environment
4 - 84
Edition 2/96 - Melcher AG
MELCHER
The Power Partners.
4.3
TOKO Switching Regulators
FD-Family
No input to output isolation
Single output of 3.3, 5, 12, 15 or 30 V DC/0.5...1.5 W
Double output of
±12 or ±15 V DC/0.5...3 W
Input voltage from 4.5 V up to 17 V DC
Miniature size
Surface mounting type
High power density
High efficiency
Excellent line/load regulation
Parallel operation
Inhibit function available
High reliability
new
Table of Contents
Page
Type Survey .............................................................. 4 - 84
Description ................................................................ 4 - 85
Safety and Installation Instructions ........................... 4 - 85
Electrical Input and Output Data ............................... 4 - 86
Immunity to Environmental Conditions ...................... 4 - 88
Mechanical Data ....................................................... 4 - 88
Type Key and Product Marking ................................. 4 - 89
Table 1b: Survey of flyback type FDB and FDF
Nominal
Input
Nominal
Efficiency
Type
Rated
output
voltage
input
designation
output
voltage
current
range
voltage
(typ)
power
Uo nom
I o
Ui
Ui nom
η
(Master or Slave)
Po max
5 V
100...250 mA
5...12 V
8 V
77 %
FDF 1103
1.25 W
12 V
45...115 mA
4.5...5.5 V
5 V
70 %
FDB 1001
1.4 W
70...125 mA
9...17 V
12 V
71%
FDF 1301
1.5 W
15 V
40...90 mA
4.5...5.5 V
5 V
70 %
FDB 1002
1.35 W
70...100 mA
9...17 V
12 V
71 %
FDF 1302
1.5 W
30 V
10...30 mA
5...12 V
8 V
79 %
FDF 1105
0.9 W
6...17 V
12V
80 %
FDF 1205
±12 V
±22.5...±57.5 mA
4.5...5.5 V
5 V
72 %
FDB 2001
1.4 W
±35...±62.5 mA
9...17 V
12 V
73 %
FDF 2301
1.5 W
±15 V
±20...±45 mA
4.5...5.5 V
5 V
72 %
FDB 2002
1.35 W
±35...±50 mA
9...17 V
12 V
72 %
FDF 2302
1.5 W
Type Survey
Table 1a: Survey of step-down type FDD
Nominal
Input
Nominal
Efficiency
Type
Rated
output
voltage
input
designation
output
voltage
current
range
voltage
(typ)
power
Uo nom
Io
Ui
Ui nom
η
(Master or Slave)
Po max
3.3 V
120...600 mA
5...12 V
8 V
84%
FDD 1106
2 W
6...17 V
12 V
82%
FDD 1206
5 V
87%
FDD 1203
3 W