CHB350-24S28 Cincon, CHB350-24S28 Datasheet - Page 2

• Manufacturer Part Number: CHB350-24S28
• Description: DC/DC Converters & Regulators 231-350W 24V-28V 12.5A 50mA
• Manufacturer: Cincon

Specifications of CHB350-24S28

• Output Power: 231 W to 350 W
• Input Voltage Range: 18 V to 36 V
• Input Voltage (nominal): 24 V
• Number Of Outputs: 1
• Output Voltage (channel 1): 28 V
• Output Current (channel 1): 12.5 A
• Isolation Voltage: 1500 V
• Package / Case Size: 57.9 mm x 61 mm x 13.2 mm
• Output Voltage: 28 V
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

INPUT SPECIFICATIONS:
Input Voltage Range ..……………............ 24V ................. 18-36V
Input Surge Voltage (100ms max.) .…………. 24V ............. 50Vdc max.
Under voltage lockout ………..….. 24Vin power up ….…..……..…. 17V
Positive Logic Remote ON/OFF ( see note 4 & 5 )
Input Filter ………………………………………………..….……... PI Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy: ........................................………….......... ±1.5% max.
Transient Response:25% Step Load Change .……………… <500u sec.
External Trim Adj. Range, (note6) …………………………….……. ±10%
Ripple & Noise, 20MHz BW
Temperature Coefficient ....................………..............…..... ±0.03%/°C
Short Circuit Protection .........………………......................... Continuous
Line Regulation (note 1) ……………….………..................…. ±0.2% max.
Load Regulation (note 2) ………………………….........…...... ±0.2% max.
Over Voltage Protection trip Range ,% Vo nom. .................. 115-140%
Current Limit .................……………….... 105% ~140% Nominal Output
Start up time ………………………………………..………….. 175ms typ.
CASE HB
Tolerances
All Dimensions In Inches(mm)
REMOTE ON/OFF CONTROL
HIGH SIGNAL HERE
DISABLE OUTPUT
Mounting Inserts
M3*0.5 Through 4pl.
Millimeters: X.X= ±0.5 , X.XX=±0.25
Inches: X.XX= ±0.02 , X.XXX= ±0.010
All Specifications Typical At Nominal Line, Full Load, and 25 ℃ Unless Otherwise Noted
3.3V & 5V ………….….…….... 40mV RMS, max.
12V …….……………….……. 60mV RMS, max.
24V &28V……………..…… 100mV RMS, max.
24Vin power down …………..…. 16V
48Vin power up ……………...…. 35V
48Vin power down …………..…. 33V
BOTTOM VIEW
48V ……………… 36-75V
48V ….…… 100Vdc max.
100mV pk-pk, max.
120mV pk-pk, max
280mV pk-pk, max
SPECIFICATIONS
ON/OFF (2)
-VIN (4)
2
GENRAL SPECIFICATIONS:
Efficiency .................…..................................……........…....... See Table
Isolation Voltage ................ Input/Output ....………..….. 1500VDC min.
Isolation Resistance .............................…............…….... 10^7 ohm min.
Isolation Capacitance …………………..……………………… 1000pF Typ.
Switching Frequency ......................... 3V3&5V ..................... 300KHz Typ.
Operating Case Temperature ..………....….....……........ -40℃ to 100℃
Storage Temperature ……….………....…....……............ -55℃ to +105℃
Thermal Shutdown, Case Temp …..……………………..……. 110℃ Typ.
Humidity .................................................... 95% RH max. Non condensing
MTBF……….MIL-STD-217F, GB ..………..…………………… T.B.D. hrs
Dimensions ......................... 2.28×2.40x0.52 inches (57.9x61.0×13.2 mm)
Case Material ................….....…… Aluminum Baseplate with Plastic Case
Weight
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
4. Logic Compatibility ……………... Open Collector ref to -Input
5. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF
6. Trim-up…………..connect a resistor between the trim pin and +Sense
7.The input terminal recommend to parallel with 220uF for 48Vin and
470uF for 24Vin ESR<0.7Ω to reduce the input ripple voltage.
Ceramic capacitor across output
Trim-down…….….connect a resistor between the trim pin and -Sense
………………………………………………………………….... 114g
EXTERNAL OUTPUT TRIM
Module ON ………. >3.5Vdc to 75Vdc or Open Circuit
Module OFF ……….. < 1.2Vdc
Module ON ………. < 1.2Vdc
Module OFF ……….. >3.5Vdc to 75Vdc or Open Circuit
Pin
1
2
3
4
5
6
7
8
9
Function
+Vin
ON/OFF
CASE
-Vin
-Vout
-Sense
Trim
+Sense
+Vout
Input/Case, Output/Case ….. 1500VDC min.
12V&24V&28V ….…... 330kHz Typ.