FA12S12-300 Datasheet, PDF (2/14 Pages) Wall Industries,Inc. – 300W DC-DC Converter

WALL INDUSTRIES, INC.
Rev D
TECHNICAL DATASHEET
FA12S12-300
Technical Specifications
Model No. FA12S12-300
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
Switching Frequency
Related condition
Min Nom Max Unit
-
600
-
KHZ
INPUT (V_in)
Operating Voltage Range
UVLO Turn On at
UVLO Turn Off at
UVLO Hysterisis
Maximum Input Current (Graph 3)
No Load Input Current (Graph 3)
Input Current under “Remote Off”
Reflected Ripple Current
Input Surge Voltage
EFFICIENCY (Graph 1)
Low Line
No Load
With L-C filter as shown in Fig. 7.
100 mS
Io=25A
10
12
36
Vdc
9.5
9.7
10
Vdc
9.0
9.25
9.5
Vdc
-
0.5
-
Vdc
-
34.8
-
A
-
0.10
-
A
-
1
-
mA
-
20
-
mA
-
-
50
Vdc
-
86
-
%
OUTPUT (V_o)
Voltage Set Point
Voltage Adjustment (Table1)
Load Regulation
Line Regulation
Temperature Drift
Remote Sense Compensation
Ripple (Photo4,5,6)
Spikes (Photo 4,5,6)
Current
Current Limit
Over Voltage Limit
±Sense shorted to ±Vout
Max Output limited to 300W
±Sense shorted to ±Vout
±Sense shorted to ±Vout
Max Output limited to 300W
(max. drop in each + and – output trace)
0.1µF Ceramic & 10µF Tantalum
0.1µF Ceramic & 10µF Tantalum
Rated maximum output current
Power Limited-Dependent upon SENSE compensation
and TRIM adjustment
11.88
-1%
10.8
-10%
-
-
-
-
-
-
0
-
13.5
12.00
0.05
0.05
0.01
-
50
50
-
32.5
15
12.12
+1%
13.2
+10%
0.2
0.2
0.02
1
120
120
25
-
16.5
Vdc
%
Vdc
%
%
% / °C
Vdc
mV p-p
mV p-p
A
A
Vdc
DYNAMIC RESPONSE
Load step /  V (Photo7)
Recovery Time (Photo 7)
Turn On Delay (Photo 1)
Turn On Overshoot (Photo 1,2)
50% to 100% Io
Recovery to within 1% Nominal Vout
From Vin (min) to Vout (nom)
Full Load Resistive
-
0.6
-
V
-
0.4
-
mS
-
50
-
mS
-
0.0
-
%
Hold Up Time (Photo 3)
0
-
-
mS
REMOTE ON/OFF
Active High or Active Low (See page 14 for ordering details)
Remote ON – Positive logic
TTL high or Open-circuit
2.5
-
5.0
Vdc
Remote OFF – Positive logic
TTL Low
-
-
2.0
Vdc
Remote ON pin Floating - Positive logic
Over Operating Voltage Range
4.4
-
5.0
Vdc
I_ON/OFF Sink current - Positive logic
Remote ON – Negative logic
V_ON/OFF =0V, Vin=75V
Max Low to Enable
-
-
1.0
mA
-
-
2.0
Vdc
Remote OFF – Negative logic
Min High to Disable
2.5
-
5.0
Vdc
Remote ON/OFF pin Floating – Negative logic
Over Operating Voltage Range
4.4
-
4.7
I_ON/OFF Sink to pull low – Negative logic
V_ON/OFF =0V, Vin=75V
-
-
1
mA
I_ON/OFF Source to drive high – Active High or Low
Turn On Delay – (Photo 2)
Enabled
-
-
1
µA
-
40
-
mS
Turn Off Delay – (Photo 3)
Disabled
-
-
10
µS
ISOLATION
Input-Output
Isolation Resistance
Isolation Capacitance
THERMAL
Ambient (Graph 2)
Over Temperature Protection
Storage Temperature
MTBF
MECHANICAL
Weight
1 minute
Max. Ambient limited by Derating Curves (Graph 2)
Self Resetting
Ambient
Calculated Using Bellcore TR-332 Method 1 case 3
1500
-
-
1
-
-
-
0.010
-
-40
25
Graph 2
-
110
-
-55
-
125
2,212,456
See Figure 1
-
318
-
Vdc
GΩ
µF
°C
°C
°C
Hours
g
(888) 597-WALL
www.wallindustries.com
Page 2 of 14