CQB75W
75 WATT
4:1 INPUT RANGE
DC-DC CONVERTERS
S E R I E S
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
SIZE QB
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range....……………..........…. 24V................................. 9-36V
48V............................... 18-75V
Under voltage lockout ………..….. 24Vin power up ….…..…………....8.8V
24Vin power down ………….…....8.0V
48Vin power up …………….…......17V
48Vin power down …...….….…....16V
Positive Logic Remote ON/OFF ( see note 4 & 5 )
Input Filter ………………………………………………..….……..............PI Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy : ........................................………….............. ±1.5% max.
Transient Response :75% to 100% Step Load Change
Error Band………………………..………………...........±5% Vout
Recover Time……………………………………..............<500uS
External Trim Adj. Range ………………. .............................................. ±10%
Ripple & Noise, 20MHz BW
3.3V & 5V ……….……...........40mV RMS, max.
100mV pk-pk, max.
12V & 15V ………………….....60mV RMS, max.
150mV pk-pk, max.
24V …………………..……....100mV RMS, max.
240mV pk-pk, max
Temperature Coefficient....................………..............….............. ±0.03%/°C
Short Circuit Protection.........……………….................................Continuous
Line Regulation1…………….………..................….........................±0.2% max.
Load Regulation2……………………….........…............................ ±0.2% max.
Over Voltage Protection trip Range ,% Vo nom. .........................115-140%
Current Limit .................……………….....…....110% ~140% Nominal Output
GENERAL SPECIFICATIONS:
Efficiency.................…..................................……..................….......See Table
Isolation Voltage .......................Input/Output....………..….. 1500VDC min.
Input/Case.……….………...1500VDC min.
Output/Case………………..1500VDC min.
Isolation Resistance .............................…............……...............107 ohm min.
Switching Frequency ........………….........…………................... 300KHz, Typ.
Operating Case Temperature ..………....….....……............ -40°C to 100°C
Storage Temperature ……………....…....……................... -55°C to +105°C
Thermal Shutdown, Case Temp. .……………………..…….........105°C Typ.
Dimensions……..…….........1.45 x 2.28 x 0.50 inches(36.8 x 57.9 x 12.7 mm)
Case Material ..................…....…..Aluminum Base-plate with Plastic Case
Weight…………………………………………………………………...........…TBD
NOTE:
1. Measured From High Line to Low Line
2. Measured From Full Load to Zero Load
3. Output Ripple and Noise measured with 10uF tantalum and 1uF
Ceramic capacitor across output
4. Logic Compatibility ……………... Open Collector ref to -Input
Module ON ………. >3.5Vdc to 75Vdc or Open Circuit
Module OFF ……….. < 1.8Vdc
5. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF
Module ON ………. < 1.8Vdc
Module OFF ……….. >3.5Vdc to 75Vdc or Open Circuit
CQB75W
PIN CONNECTION
Pin Function
1
2
3
4
5
6
7
8
+V Input
ON/OFF
-V Input
-V Output
-Sense
Trim
+Sense
+Vout
MODEL
NUMBER
CQB75W-24S3V3
CQB75W-24S05
CQB75W-24S12
CQB75W-24S15
CQB75W-24S24
CQB75W-48S3V3
CQB75W-48S05
CQB75W-48S12
CQB75W-48S15
CQB75W-48S24
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
18-75VDC
18-75VDC
18-75VDC
18-75VDC
18-75VDC
3.3 VDC
5.0 VDC
12 VDC
15 VDC
24 VDC
3.3 VDC
5.0 VDC
12 VDC
15 VDC
24 VDC
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
12 A
12 A
6.25 A
5 A
3.12 A
12 A
12 A
6.25 A
5 A
3.12 A
50mA
50mA
50mA
50mA
50mA
30mA
30mA
30mA
30mA
30mA
2037mA
2976mA
3634mA
3634mA
3628mA
1006mA
1471mA
1817mA
1796mA
1796mA
81
84
86
86
86
82
85
86
87
87
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
% EFF. SIZE
INPUT
VOLTAGE
OUTPUT CURRENT INPUT CURRENT
NO LOAD FULL LOAD
MIN. MAX.
OUTPUT
VOLTAGE
NOTE: 1. Nominal Input Voltage 24, 48 VDC
External Output Trim
• 75W Isolated Output
• Quarter-Brick Package
• Efficiency Up to 87%
Features
• 4 : 1 Input Range
• Continuous Short Circuit Protection
.070(1.78)
.040(1.02)
.150(3.81)
.91(23.0)
HIGH SIGNAL HERE
DISABLE OUTPUT
ON/OFF (2)
-VIN (4) -SENSE
TRIM UP
TRIM
TRIM DOWN
+SENSE
-SENSE
+SENSE
TRIM 10K ohms
TRIMPOT
2.40
(61.00)
Ø0.08
(2.03)
2pl.
0.50
(12.70)
SIDE VIEW
0.18 min.
(4.60) 2*R1.50
Mounting Inserts
M3*0.5 Through 4pl.
2.00
(50.80)
1.40
(35.56) 0.60
(15.24)
4
3
2
1
5
6
7
8
9
1.90
(48.25)
2.28
(57.90)
BOTTOM VIEW
Ø0.04
(1.02)
7pl.
1
4
2
3
2.000 (50.80)
2.28 (57.9)
0.040
(1.02)
1.86(47.2)
0.059
(1.50)
1.45
(36.8)
0.16
(4.1) min.
0.50
(12.7)
1.03
(26.2)
0.600
(15.24)
0.300
(7.62)
0.600
(15.24)
5
6
7
8
BOTTOM VIEW
DIA 2PLACES
DIA 6PLACES
Mounting Inserts
M3x0.5 Through 4pl.
All Dimensions In Inches(mm)
Tolerance Inches: x.xx= ±0.02, x.xxx= ±0.010
Millimeters: x.x= ±0.5, x.xx= ±0.25
NEW
