Wall FB48S20-300TH Very low output ripple Datasheet

FB Series
In Development
250~300 Watt
Single Output
Full Brick DC/DC Converter
FEATURES
● 100% Burn In
● Synchronizable
● Output Trim ±10%
● 1500VDC Isolation
● Operation to No Load
● Very Low Output Ripple
● Fast Transient Response
● Output Current up to 60A
● Fixed Switching Frequency
● 250-300 Watts Output Power
● Remote Sense Compensation
● Remote ON/OFF (Active High/Low)
● Optional Chassis Mount Version Available
● Short Circuit and Over Temperature Protection
● 90% Efficient at Half Load, 88% Efficient at Full Load
DESCRIPTION
The FB series is a high-density full brick converter that
incorporates the desired features required in today’s demanding
low voltage bus applications. Its unique dual interleaved phaseshifted topology minimizes both input and output noise. When
performance, reliability, and low cost are needed, the FB series
delivers.
SPECIFICATIONS: FB Series
(All specifications apply @ 25°C ambient unless otherwise noted)
INPUT SPECIFICATIONS
PROTECTION SPECIFICATIONS
Input Voltage Range ................................................................ 18 - 75VDC
Current Limit ........................................................................................ 130%
Input Filter ................................1,000μF low ESR capacitor recommended
Short Circuit Protection........................................Continuous, self re-setting
Reflected Ripple Current (nominal Vin and full load) .........................20mA
Remote ON/OFF ................................................... active high or active low
Input Current under Remote Off .......................................................... 1mA
Over Temperature Protection ......................................110°C, self re-setting
GENERAL SPECIFICATIONS
Efficiency .................................................................................... 90% typical
Switching Frequency .................................................................700KHz typ.
OUTPUT SPECIFICATIONS
Isolation Voltage (Input to Output)......................................... 1500VDC min.
Output Voltage ..............................................................................see table
Isolation Resistance ...................................................................... 1GΩ min.
Voltage Accuracy ................................................................................. ±1%
Isolation Capacitance ........................................................................ 0.01μF
Output Adjustability ............................................................................ ±10%
ENVIRONMENTAL SPECIFICATIONS
Output Current ..............................................................................see table
Operating Temperature (ambient) ........................... -40°C ~ +100°C (case)
Output Power ................................................................................see table
Storage Temperature .......................................................... -55°C ~ +125°C
Line Regulation (LL to HL at FL)....................................................... ±0.2%
Humidity...................................................................fully potted construction
Load Regulation (NL to FL)............................................................... ±0.2%
Ripple/Noise (20 MHz BW) .................................................... 1% Vout max
Temperature Coefficient ................................................. ±0.02% / °C max.
Transient Response (50% load step).............................. 5% total deviation
Cooling ..........................................................heatsink optional (see Note 4)
PHYSICAL SPECIFICATIONS
Weight ................................................................................... 9.88oz (218g)
Dimensions (L x W x H).......... 4.6 x 2.4 x 0.50 in (117.0 x 61.0 x 12.7 mm)
Case Material ....................................................................... Aluminum alloy
Shielding......................................................................................... six-sided
Due to advances in technology, specifications subject to change without notice
02/17/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 4
FB Series
250~300 Watt
Single Output
Full Brick DC/DC Converter
In Development
MODEL SELECTION TABLE
Model Number for
Threaded Inserts
Model Number for
Thru-Hole Inserts
Input Voltage Range
Output Voltage
Output Current
Output Power
60A
300W
FB48S5-300
FB48S5-300TH
5 VDC
FB48S12-300
FB48S12-300TH
12 VDC
25A
300W
FB48S15-300
FB48S15-300TH
15 VDC
20A
300W
FB48S20-300
FB48S20-300TH
20 VDC
15A
300W
FB48S24-300
FB48S24-300TH
24 VDC
12.5A
300W
FB48S26-300
FB48S26-300TH
26 VDC
11.538A
300W
FB48S28-300
FB48S43-250
FB48S28-300TH
28 VDC
10.714A
300W
FB48S43-250TH
43 VDC
5.814A
250W
FB48S48-300
FB48S48-300TH
48VDC
6.25A
300W
48 VDC
(18 - 75 VDC)
NOTES
1. Pin to pin tolerance ± 0.01" [±0.3mm]. Pin diameter tolerance ±0.005" [±0.13mm].
2. Case material: 0.040" [1.02mm] thick, aluminum alloy 3003-0, Per: QQA 250/2.
3. Unit comes with either 3M x 0.5 threaded thru inserts or for 0.125 thru-hole add "TH" suffix to the model part
number. Ex: FB48S48-300TH.
4. For Heat sink add “HS” suffix to the model part number. Ex: FB48S48-300HS.
5. Active High Enable is standard; for Active Low Enable add “R” suffix to the model number. Ex: FB48S48-300R.
6. Chassis mount version also available. Please call factory for ordering details.
DERATING CURVE
FB48S24-300 MAX AMBIENT vs OUTPUT POWER
02/17/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 4
FB Series
250~300 Watt
Single Output
Full Brick DC/DC Converter
In Development
MECHANICAL DRAWING
Unit: inches [mm]
HEATSINK SUPPLIED ATTACHED WITH
THERMAL INTERFACE MATERIAL.
HEATSINK HAS Ø.120 ±.005 Ø3.05±0.13 THRU HOLE 6X
.02 [0.4] 6X REF
COVER TO STANDOFF
.84±.04 [21.3±1.0]
HEATSINK
TO STANDOFFS ONLY
SEE NOTE 5
.000 [0.00]
.20 MIN [5.1 MIN]
SEE NOTE-1&3
PIN LENGTH FROM
STANDOFFS ONLY
.015 [0.38]
.02 [0.4] 6X REF
COVER TO STANDOFF
STANDARD
+0.8
.50+.03
-.00 12.7 -0.0
.20 MIN [5.1 MIN]
SEE NOTE-1&3
PIN LENGTH FROM
STANDOFFS ONLY
.30 [7.6]
.000 [0.00]
TO STANDOFFS ONLY
+0.5
.30+.02
-.03 7.6 -0.6
SERIAL NO:
SEE NOTE-4
3.600 [91.44]
1.800 [45.72]
.50 [12.7]
.35 [8.9]
.000 [0.00]
1
6
.400 [10.16]
2
7
.700 [17.78]
3
1.000 [25.40]
4
8
1.400 [35.56]
5
9
DATE CODE
2.100 [53.34]
MODEL NAME
DC/DC CONVERTER
R
XXXX
WALL INDUSTRIES
EXETER, NH 03833
DOT DENOTES
PIN-1
+0.5
2.40+.02
-.03 61.0 -0.8
LABEL
4.200 [106.68]
NONMETALLIC INSULATOR 2X
.20±.03 [5.1±0.8]
+0.5
4.60 +.02
-.03 117.0 -0.8
PIN DESIGNATION
1
+OUT
2
+SENSE
3
TRIM
4
-SENSE
5
-OUT
6
+IN
7
SD
8
SYNC
9
-IN
NOTES:
TO ORDER:
1. PIN TO PIN TOLERANCE ± .01 [±0.3],
PIN DIAMETER TOLERANCE: ±.005 [±0.13].
2. CASE MATERIAL: .040 [1.02] THICK, ALUMINUM ALLOY 3003-0,
PER: QQA 250/2.
3. UNLESS OTHERWISE SPECIFIED.
4. UNIT COMES WITH EITHER 3M x 0.5 THREADED
THRU INSERTS OR FOR Ø.125 THRU-HOLE ADD:
“TH” SUFFIX TO MODEL PART NUMBER.
EXAMPLE: FB48S48-300TH
5. FOR HEAT SINK ADD: “HS” SUFFIX TO MODEL
PART NUMBER. EXAMPLE: FB48S48-300HS.
6. OPTIONAL CHASSIS MOUNT VERSION AVAILABLE.
02/17/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
PIN Ø
Ø.081 [2.06]
Ø.040 [1.02]
Ø.040 [1.02]
Ø.040 [1.02]
Ø.081 [2.06]
Ø.081 [2.06]
Ø.040 [1.02]
Ø.040 [1.02]
Ø.081 [2.06]
Page 3 of 4
FB Series
250~300 Watt
Single Output
Full Brick DC/DC Converter
In Development
OPTIONAL CHASSIS MOUNT VERSION (Call factory for ordering details)
Unit: inches [mm]
8.00 [203.2]
7.000 [177.80]
3.500 [88.90]
.50 [12.7]
+INPUT
+OUTPUT
+S
SD
3.40 [86.4]
2.875 [73.03]
TRIM
SYNC
-S
-INPUT
-OUTPUT
.000 [0.00]
.26 [6.7]
DATE CODE
LABEL
SERIAL NO:
UNIT THRU HOLE Ø.125 [3.2] 6X REF
PCB THRU HOLE Ø.140 [3.6] 6X REF
Ø.143 [3.6] MOUNTING HOLES 6X
GROUNDED 6-PLACES
TERMINAL SCREW .136 (NO:6)-32UNC 9X
02/17/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
.91 [23.0]
.24 [6.0] REF
Ø.28 [7.1] 6X
.000 [0.00]
.13 [3.2] 6X REF
.000 [0.00]
Page 4 of 4
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