75 Watts Output Power
S
INGLE
OUTPUT
CB75S
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FEATURES
.50 Inch Profile
Standard Quarter Brick Pin-out and Footprint
Remote Turn On / Output Status (TTL)
Output Voltage Trim
Output Overvoltage Protection
Output Overcurrent Protection
Over Temperature Protection
Fixed Frequency (500kHz) Conversion
Synchronization Input
High Temperature Burn-In
100% Environmental Screening (M Models)
How to Order:
SELECTION CHAR T
CB 75
S
M / 5 - C -
D
Options:
B
- pins out bottom of unit
C
- pins out top of unit
D
- through hole inserts
(.115 DIA)
I
- M2.5 inserts
(STD 4 - 40 inserts)
Series
Total Output
Power
Single Output
Unscreened (I) or Screened (M)
Output Voltage: Maximum current as stated
in selection chart
Options
INPUT CHARACTERISTICS
Min.
Typ.
Max.
Units
Input Voltage
16
28
40
Vdc
Brown Out (75% of FL)
13.5
14.4
Vdc
No Load Power Dissipation
1.3
2.5
W
Input Inrush Charge
2.0
mc
Reflective Ripple Current
3
%
Input Ripple Rejection(120Hz, 5Vout)
70
dB
Input Ripple Rejection(800Hz, 5Vout)
50
dB
Logic Disable Current (Sink)
150
µA
Logic Disable Voltage (TTL)
0
.8
Vdc
Logic Disable Power In
175
300
mw
Sync Input Voltage
4.0
5.0
5.25
Vc
Sync Input Frequency
480
500
550
KHz
Sync Input Duty Cycle
40
50
55
%
Efficiency (Full Load)>= 5 Vdc output 80
84
%
3.3 Vdc output 75
80
%
2 Vdc output
68
72
%
EMI: Units conform to MIL
-STD-461D with companion filter (CBF75)
Input Transient: Units can withstand 50Vdc transients for up to
100ms per MIL
-STD-704E
Nominal
Output Voltage
(Volts)
2
3.3
5
5.2
12
15
24
28
Output
Current
(Amps)
15
15
15
14.5
6.3
5
3.2
2.7
Model
Number
(Unscreened)
CB75SI/2
CB75SI/3.3
CB75SI/5
CB75SI/5.2
CB75SI/12
CB75SI/15
CB75SI/24
CB75SI/28
Model
Number
(Screened)
CB75SM/2
CB75SM/3.3
CB75SM/5
CB75SM/5.2
CB75SM/12
CB75SM/15
CB75SM/24
CB75SM/28
OUTPUT CHARA CTERIS TICS
Min.
Set Point Accuracy
Load Regulation
2
Line Regulation
3
Ripple P-P (10 MHz)
4
Overvoltage Protection
Transient Response Time - Overshoot
1
20-80% Load (@ Nom. Line)
Low Line - High Line (@ FL)
50-100% Load (@ Nom.Line)
Temperature Drift
Long Term Drift
105
Current Limit
20
Short Circuit Current
5
Load Capacitance
Remote Sense Compensation
2.4
Status “OK” (TTL)
0
Status “Bad” (TTL)
90
Trim Range
Turn On Time
Logic Turn On Time
1
Typ.
25/0.5
5/0.1
5/0.1
60
125
Max.
50/1
10/0.2
10/0.2
100/1
Units
mV/%
mV/%
mV/%
mV/%
% V
out
S
TABILITY
60 dB
180°
0 dB
0°
100-100/2 500-250/5 µS-mV/%
200-150/3 500-250/5 µS-mV/%
100-100/2 500-250/5 µS-mV/%
0.02
0.05
%/°C
0.02
0.05 %/1KHrs
130
150
%
25
75
%
30
µF
0.5
Vdc
5
Vdc
0.8
Vdc
110
%
6
10
mS
5
10
mS
Phase
Gain
-60 dB
10Hz
100Hz
1kHz
10KHz
FREQUENCY
100KHz
-180°
1
2
3
4
5
whichever is greater
whichever is greater from No Load to Full Load with line constant
whichever is greater from Low Line to High Line at Full Load
whichever is greater measured at 10 MHz Bandwidth
or 3 x Co, whichever is greater
All specifications are typical @+25°C with nominal input voltage and under full output load conditions, unless otherwise noted. Specifications are subject to change without notice.
Martek Power Abbott, Inc. 2727 S. La Cienega Blvd., Los Angeles, CA 90034 U.S.A. Tel: 310.202.8820 Fax: 310.836.4926
www.martekpowerabbott.com
E-mail: sales.mpa@martekpower.com
8
H
IGH
D
ENSITY
DC
TO
DC C
ONVERTERS
TEMPERATURE CHARACTERISTICS
Operating (Baseplate)
Storage (Ambient)
Thermal Resistance (Baseplate to Ambient)
OverTemperature Shutdown
Min.
-55
-55
Typ.
Max.
+100
+125
Units
°C
°C
°C/W
°C
ISOLATION CHARACTERISTICS
Min.
Isolation:
Input to Output
Output to Base
Input to Base
Insulation Resistance (@50 Vdc)
500
250
250
50
Units
Vdc
Vdc
Vdc
MOhm
8
105
ENVIRONMENTAL SCREENING - M MODEL
+125°C for 24 hours similar to MIL
-STD-883,
M1108, Condition B
Temperature Cycling: 10 cycles at -55°C to +125°C (transition 5°C/
minute) similar to MIL
-STD-883, M1010, Condition B
Burn in:
160 hours @ 85°C minimum with V
in
= 28Vdc and
output at full load
Final Testing
Stabilization Bake:
MECHANICAL CHARA CTERIS TICS
Weight
Size
Volume
3.19
90
1.45 x 2.28 x .50
36.8 x 57 x 12.7
.9
1.65
27
.1
Pin
Baseplate
Case
Standard
B Option
C Option
D Option
I Option
oz.
grams
inch
mm
inch
3
cm
3
Brass (Solder Plating)
Aluminum 5052-H32
28 GA Steel (Nickel Plating)
4 - 40 inserts in baseplate
pins out bottom of unit
pins out top of unit
0.115 DIA thru hole inserts
M2.5 inserts in baseplate
ENVIR ONMENTAL SCREENING - I MODEL
Burn in:
Final Testing
See “Guide to Operation” for full details
16 hours @ 85°C minimum with V
in
=28Vdc and
output at full load
Material
Mounting
CA SE DRAWINGS
Inches/Millimeters
4 - 40 UNC THRU
4 places
- B Option
1.310/33.27
1.025/26.04
.875/22.23
.725/18.42
.425/10.80
.140/3.56
0
0
.140/3.56
2.140/54.36
2.28/57
.9
- IN
SYNC
TTL
+IN
- OUT
- SENSE
TRIM
+ SENSE
+ OUT
- C Option
1.45/36.83
1.310/33.27
1.025/26.04
.875/22.23
.725/18.42
.575/14.61
.425/10.80
.140/3.56
.060/1.52 DIA
±.005/.13
2 places
.040/1.02 DIA
±.005/.13
7 places
.50/12.7
min.
Pins 5 and 9:
.38/9.7 ±.03/.8
All other pins:
.40/10.2 ±.03/.8
- C Option
marking surface
.50/12.7
.04/1.02
base plate
- B Option
Tolerances:
inches
-
x.xx
x.xxx
= ±0.02
= ±0.010
mm
-
x.x
x.xx
= ±0.5
= ±0.25
All specifications are typical @+25°C with nominal input voltage and under full output load conditions, unless otherwise noted. Specifications are subject to change without notice.
Martek Power Abbott, Inc. 2727 S. La Cienega Blvd., Los Angeles, CA 90034 U.S.A. Tel: 310.202.8820 Fax: 310.836.4926
www.martekpowerabbott.com
E-mail: sales.mpa@martekpower.com
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