Rev 9 11/9/99
SCT42 SCT43 SCT44 SCT45 SCT46 SCT47 SCT48 SCT401
Specification V1/V2/V3 V1/V2/V3 V1/V2/V3 V1/V2/V3 V1/V2/V3 V1/V2/V3 V1/V2/V3 V1/V2/V3
1 Nominal Output Voltage (8) V +5/+12/-12 +5/+12/-12 +5/+12/-5 +5/+15/-15 +5/+24/-12 +5/+24/+12 +5/+24/-5 +3.3/+5/+or-12
2 Minimum Output Current (9) A 0.4/0.2/0 0.5/0/0 0.4/0.2/0 0.4/0.2/0 0.4/0.1/0 0.4/0.2/0 0.4/0.1/0 0.4/0/0
3
Maximum Output Current
convection cooled A 4.0/2.0/0.5 5/0.5/0.5 4.0/2.0/0.5 4.0/2.0/0.5 4.0/1.0/0.5 4.0/1.0/0.5 4.0/1.0/0.5 4.0/2.0/0.5
4
Maximum Output Current
forced air cooled (300LFM A 5.0/2.5/0.7 6.0/0.7/0.7 5.0/2.5/0.7 5.0/2.5/0.7 5.0/1.5/0.7 5.0/1.5/0.7 5.0/1.5/0.7 5.0/2.5/0.7
5 Maximum Peak Current (1) A 7.0/4.0/1.0 7.0/1.0/1.0 7.0/4.0/1.0 7.0/3.0/1.0 6.0/2.0/1.0 6.0/2.0/1.0 6.0/2.0/1.0 7.0/4.0/1.0
6
Maximum Output Power
convection cooled W 40 40 40 40 40 40 40 40
7
Maximum Output Power forced
air cooled (30 CFM 300LFM) W 55 55 55 55 55 55 55 55
8 Input Voltage Range V 85-265VAC, 47-63Hz
9 Efficiency (2) % 70% Typical
10 Inrush current -Typical (3) A 36
11 Adjustment Range V -5 ~ +10%, output 1 only +/-5%
12 Maximum Ripple & Noise (4) mV 1% peak to peak
13 Regulation Load / Line % +2/+5/+5 +2/+5/+5 +2/+5/+5 +2/+5/+5 +2/+7/+5 +2/+7/+5 +2/+7/+5 +2.5/+2.5/+5
14 Cross Regulation (8) % +/-2% on output 1, +/-5% on outputs 2 & 3
15 Transient response To be determined
16 Overcurrent Protection (5) Short circuit protection
17 Overvoltage Protection (6) 115-135% on channel 1 only
18 Hold up time - typical (7) ms 20 16
19 Operating Temperature C 0 ~ 50C
20 Operating Humidity 5 ~ 95% non condensing
21 Storage Temperature C -20 ~ 85C
22 EMI FCC Class B Conducted, EN55022 class B
23 Output - Ground isolation 500VDC
24 Vibration 10 - 55Hz Amplitude (sweep 1 min) Less than 2G X, Y, Z 1 hour ea
25 Shock <20G
26 Safety UL1950, CSA 22.2 #950, EN60950, CE mark
27 Other IEC801-2~6 level 3
28 Size 127 x 76.2 x 25.4 (Max component height) component leads cropped 3mm max
29 Terminals Molex 09-50-80xx input & output
30 Options
Remote sense V1 only
Notes:
1 Peak current lasting <30 seconds with 10% max duty cycle. Average power not to exceed rated maximum. Output voltage may exceed regulation limits
2 At 100VAC or 200VAC input and maximum output power
3 At 230VAC input cold start at 25C
4 Measured across 10uF electrolytic in parallel with 0.1uF ceramic on load cables 150mm from terminals of power supply
5 Avoid prolonged operation in overload
6 Self Resetting
7 40W load at 115VAC nominal line
8 On SCT401, third output is floating
9 To maintain regulation, minimum loads for V1 & V2 are defined by the following formula:
SCT42 SCT43 SCT44 SCT45 SCT46 SCT47 SCT48
0.25<I
V1
/I
V2
<5
N/A
0.25<I
V1
/I
V2
<5 0.25<I
V1
/I
V2
<5 0.25<I
V1
/I
V2
<25 0.25<I
V1
/I
V2
<25 0.25<I
V1
/I
V2
<25
I
V1
= Current on output V1
I
V2
= Current on output V2
Example: SCT42. 5V @ 4A. 0.25<4/I
V2
<5, thus the minimum load on V2, I
V2
, = 0.8A
Example: SCT42. 12V @ 2A. 0.25<I
V1
/2<5, thus the minimum load on V1, I
V1
, = 0.5A
Model
SCT4x & SCT401 Series Specification
Add "/R" to model number
LAMBDA SCSeries
