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输入电压: 9~18、9~36V、18~36、18~75V、36~75Vdc
输出电压: 2.5V、3.3V、5V、12V、15V、24Vdc
输出功率: 25、33、50W
温度范围:-40°C至+100°C(基板)
Features
• 25W/50W Isolated Output • Regulated Outputs
• Efficiency to 85% • Continuous Short Circuit Protection
• 300KHz Switching Frequency • Five-Sided Metal Case
• 2 : 1 Input Range • Industry Standard Half-Brick Package
25 TO 50 WATT WIDE INPUT
DC-DC CONVERTERS
SINGLE OUTPUT
Only for Nominal Input Voltage 24 & 48 VDC
CHB50-12S25
CHB50-12S33
CHB50-12S05
CHB50-12S12
CHB50-12S15
CHB50-12S24
CHB50-24S25
CHB50-24S33
CHB50-24S05
CHB50-24S12
CHB50-24S15
CHB50-24S24
CHB50-48S25
CHB50-48S33
CHB50-48S05
CHB50-48S12
CHB50-48S15
CHB50-48S24
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range........................................................ 12V............9-18V
24V............18-36V
48V............ 36-75V
Undervoltage lockout .............................. 12Vin power up ...............8.8V
power down .................8V
24Vin power up ............... 17V
power down ............. 16V
48Vin power up ............... 34V
power down ............. 32.5V
Positive Logic Remote ON/OFF ( see note 3 & 4 )
Input Filter ......................................................................................... PI Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy : ..................................................................... ±1% max.
Transient Response :25% Step Load Change ..........................<500µ sec.
External Trim Adj. Range ......................................................................±1
Ripple & Noise, 20MHz BW, 2.5V & 3.3V & 5V .............. 20mV RMS., max.
75mV pk-pk, max.
12V & 15V .......................... 30mV RMS., max.
100mV 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 Protect trip Range, % Vo nom.............................115-14
Current Limit .................................................11 ~15 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 ..................(12/24)Vin....................... 400KHz, Typ.
48Vin............................... 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)
Case Material ..........................................................................Aluminum
NOTE:
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
4. Suffix "N" to the Model Number with Negative Logic Remote
ON/OFF.
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