Specifications
INPUT SPECIFICATIONS:
GENERAL SPECIFICATIONS:
Input Voltage Range........................................................48V............18-75V
Undervoltage lockout .............................. 48Vin power up..................17V
power down ................16V
Efficiency..................................................................................See Table
Isolation Voltage ...........................Input/Output............1500VDC min.
Input/Case...............1500VDC min.
Positive Logic Remote ON/OFF3.4
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. ..........................................100˚C Typ.
Dimensions ...........................................................2.28x2.40x0.50 inches
(57.9x61.0x12.7 mm)
Input Filter ......................................................................................... PI Type
CHB75W
OUTPUT SPECIFICATIONS:
37.5 TO 75 WATT WIDE INPUT
DC-DC CONVERTERS
SINGLE OUTPUT
Voltage Accuracy : ..................................................................... ±1% max.
Transient Response :25% Step Load Change ..........................<500µ sec.
External Trim Adj. Range ......................................................................±10%
Ripple & Noise, 20MHz BW, 3.3V & 5V .......................... 40mV RMS., max.
100mV pk-pk, max.
Case Material .........................................................................Aluminum
Weight..................................................................................................94g
12V & 15V .......................... 60mV RMS., max.
150mV pk-pk, max.
24V .....................................100mV RMS., max.
NOTE:
240mV pk-pk, max.
1. Measured From High Line to Low Line.
2. Measured From Full Load to Zero Load.
3. Logic Compatibility ............... Open Collector Ref. to -Input
Module ON ............. Open Circuit
Module OFF ............... < 0.8Vdc
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% ~160% Nominal Output
Features
• 37.5W-75W Isolated Output
• Efficiency to 84%
• Regulated Outputs
4. Suffix "N" to the Model Number with Negative Logic Remote
ON/OFF.
• Continuous Short Circuit Protection
• Five-Sided Metal Case
• 300KHz Switching Frequency
• 4 : 1 Input Range
• Industry Standard Half-Brick Package
CASE HB
All Dimensions In Inches(mm)
Pin
Tolerances
Inches
Millimeters
.XX±.02
.X±.5
.XXX±.010
.XX±.25
±0.02
±0.5
0.18 min.
Mounting Inserts
(4.60)
M3*0.5 Through 4pl.
2*R1.50
BOTTOM VIEW
PIN CONNECTION
Pin
Function
4
3
5
1.
2.
3.
4.
5.
6.
7.
8.
9.
+Vin
ON/OFF
CASE
-Vin
-Vout
-Sense
Trim
+Sense
+Vout
1.40
(35.56)
0.60
6
7
8
(2.03)
2pl.
2.40
(15.24)
(61.00)
2.00
(50.8)
2
1
9
(1.02)
7pl.
1.90
MODEL
INPUT
OUTPUT
OUTPUT
INPUT CURRENT
%EFF
CASE
(48.25)
NUMBER
VOLTAGE
VOLTAGE
CURRENT
NO LOAD
FULL LOAD
2.28
0.50
(57.90)
(12.70)
CHB75W-48S33
CHB75W-48S05
CHB75W-48S12
CHB75W-48S15
CHB75W-48S24
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
3.3 VDC
5 VDC
15 A
15 A
50 mA
50 mA
50 mA
50 mA
50 mA
1320 mA
78
HB
SIDE VIEW
External Output Trim
1905 mA
1860 mA
1860 mA
1860 mA
82
84
84
84
HB
HB
HB
HB
+SENSE (8)
TRIM DOWN
TRIM (7)
TRIM UP
-SENSE (6)
+SENSE (8)
Remote ON/OFF Control
12 VDC
15 VDC
24 VDC
6.25 A
5 A
ON/OFF (2)
10K ohms
TRIMPOT
TRIM (7)
HIGH SIGNAL HERE
DISABLE OUTPUT
-SENSE (6)
3.12 A
-VIN (4)
NOTE : 1. Nominal Input Voltage 48 VDC
99
100
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RSG Electronic Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach/Germany
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RSG
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Tel. +49 69 984047-0 Fax +49 69 984047-77 info@rsg-electronic.de www.rsg-electronic.de
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
ELECTRONIC COMPONENTS
Änderungen vorbehalten / subject to change without notice
RSG [ RSG ELECTRONIC COMPONENTS GMBH ]