
FD-Family
Switching Regulators, PCB + Chassis
Benign Environment
4 - 88
Edition 2/96 - Melcher AG
MELCHER
The Power Partners.
4.3
General condition:
TA = 25°C
Table 3f: Input and output data FDF double channel
Characteristics
Conditions
FDF 2301
FDF 2302
Unit
min
typ
max
min
typ
max
Output
Uo
Output voltage
Ui min…Ui max
+11.64 +12 +12.36
+14.55 +15 +15.45
V
–12.72 –12 –11.28
–15.90 –15 –14.10
Io nom
Output current
Ui min…Ui max
±35
±50 ±62.5
±35 ±42.5 ±50
mA
uo
Output ripple
Ui min, Io max
48
42
mVpp
Uo U
Static line regulation
Ui min...Ui max Uo+
±1.5
%
Uo–
±3.0
U
o I
Static load regulation
Ui nom
Uo+
±1
Io min...Io max
Uo–
±2
U
o/T
Thermal coefficient
Ui nom, Io min...Io max
±0.5
Input
Ui
Input voltage
Io min...Io max
9
12
17
9
12
17
V DC
Efficiency
η
Efficiency
Ui nom, Io nom
73
%
Table 5: Pin assignments
Type of regulator
Pin no. 1
Pin no. 2
Pin no. 3
Pin no. 4
Pin no. 5
Pin no. 6
Master
1 output step down
Vi+
SD
PDR
Vo+
GND
n.c.
2 outputs
Vi+
SD
PDR
Vo+
GND
Vo–
Slave
1 output step down
Vi+
n.c.
PDR
Vo+
GND
n.c.
2 outputs
Vi+
n.c.
PDR
Vo+
GND
Vo–
n.c. = not connected, SD = Control signal ON/OFF (low = ON, Vi+ or floating = OFF), PDR = Parallel drive signal
Mechanical Data
Dimensions in mm.
14.7 max.
2
14
5
6.75
1.6
1
2
3
6
5
4
Fig. 4
Mechanical dimensions
European
Projection
Immunity to Environmental Conditions
Table 4: Temperature specifications
Temperature
Operating
Storage
Characteristics
Conditions
min
max
min
max
Unit
TA
Ambient temperature
Ui min...U i max
–10
65
–40
85
°C
I o min...Io max
r.H.
Relative humidity
95
%