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download
datasheet for CB75S in .pdf 
| Features |
 .50 Inch Profile Standard
Quarter Brick Pin-out and Footprint Remote
Turn On / Output Status (TTL) Output
Voltage Trim Output
Overvoltage Protection Output
Overcurrent Protection
Over Temperature Protection Fixed
Frequency (500kHz) Conversion High
Temperature Burn-in
Synchronization Input 100%
Environmental Screening (M Models) |
| How to Order |
 |
| How To Order | |
| Series: | CB |
| Total Output Power: | 75 Watts |
| Output: | "S" for Single |
| Product Grade: | "M"
for Screened "I" for Unscreened |
| Output Voltage: | 2/3.3/5/5.2/12/15/24/28/48 |
| Pin Option: | "-B"
- pins out bottom of unit "-C" - pins out top of unit "-D" - through hole inserts (.115 DIA) "-I" - M2.5 inserts (STD 4 - 40 inserts) |
| Accessory Products | |
| EMI Filter: | CBF75 |
| Selection Chart | |||
| Nominal Output (Volts) | Output Current (Amps) | Model Number (Unscreened) | Model Number (Screened) |
|---|---|---|---|
| 2 | 15 | CB75SI/2-C | CB75SM/2-C |
| 3.3 | 15 | CB75SI/3.3-C | CB75SM/3.3-C |
| 5 | 15 | CB75SI/5-C | CB75SM/5-C |
| 5.2 | 14.5 | CB75SI/5.2-C | CB75SM/5.2-C |
| 12 | 6.3 | CB75SI/12-C | CB75SM/12-C |
| 15 | 5 | CB75SI/15-C | CB75SM/15-C |
| 24 | 3.2 | CB75SI/24-C | CB75SM/24-C |
| 28 | 2.7 | CB75SI/28-C | CB75SM/28-C |
| Input Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Input Voltage | 16 | 28 | 40 | Vdc |
| Brown Out
(75% of Full Load) |
13.5 | 14.4 | Vdc | |
| No Load Power Dissipation | 1.3 | 2.5 | W | |
| Input Inrush Charge | 2.0 | mc | ||
| Reflective ripple Current | 3 | % | ||
| Input Ripple Rejection (120Hz) | 70 | dB | ||
| Input Ripple Rejection (800Hz) | 50 | dB | ||
| Logic Disable Current (Sink) | 150 | uA | ||
| Logic Disable Voltage (TTL) | 0 | .8 | Vdc | |
| Logic Disable Power In | 175 | 300 | mw | |
| Sync Input Voltage | 3.0 | 5.0 | 5.25 | Vc |
| Sync Input Frequency | 480 | 500 | 550 | KHz |
| Sync Input Duty Cycle | 30 | 35 | 55 | % |
| Efficiency (Full Load) >=5Vdc Output 3.3 Vdc Output 2 Vdc Output |
80 75 68 |
84 80 72 |
% % % |
|
| EMI | Units conform to MIL-STD-461D with companion filter module (CBF75) |
| Input Transient | Units can withstand 50Vdc transients for up to 100ms per MIL-STD-704E without external filtering |
| Output Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Set Point Accuracy1 | 25/0.5 | 50/1 | mV/% | |
| Load Regulation2 | 5/0.1 | 10/0.2 | mV/% | |
| Line Regulation3 |
5/0.1 |
10/0.2 | mV/% | |
| Ripple P-P(10MHz)4 | 60 | 100/1 | mV/% | |
| Overvoltage Protection | 125 | %Vout | ||
| Transient Response (Vout 1%) Time - Overshoot 5 | ||||
|
20-80% Load (at nominal line) |
100/100 | 500/250 | µS/mV | |
|
LowLine - HighLine (FL) |
200/150 | 500/250 | µS/mV | |
|
50-100% Load (at nominal line) |
100/100 | 500/250 | µS-mV/% | |
| Temperature Drift | 0.02 | 0.05 | % | |
| Long Term Drift | 0.02 | 0.05 | %/1KHrs | |
| Current Limit | 105 | 130 | 150 | % |
| Short Circuit Current | 20 | 25 | 75 | % |
| Load Capacitance6 | 30 | µF | ||
| Remote Sense Compensation | 0.5 | Vdc | ||
| Status "OK" (TTL) | 2.4 | 5 | Vdc | |
| Status "Bad" (TTL) | 0 | 0.8 | Vdc | |
| Trim Range | 90 | 110 | % | |
| Turn on Time | 6 | 10 | mS | |
| Logic Turn On Time | 5 | 10 | mS | |
| 1
whichever is greater 2 whichever is greater from No Load to Full Load with line constant 3 whichever is greater from Low Line to High Line at Full Load 4 whichever is greater measured at 10MHz Bandwidth 5 or 5 % max, whichever is greater 6 or 3X Co, whichever is greater |
||||
| Temperature Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Operating (Case) | -55 | +100 | °C | |
| Storage (Ambient) | -55 | +125 | °C | |
| Thermal Resistance Case (Ambient) | 8 | °C/W | ||
| Over Temperature Shutdown | 105 | °C | ||
| Isolation Characteristics | ||
| Min | Units | |
|---|---|---|
| Isolation: Input to Output Output to Base Input to Base |
500 250 250 |
Vdc Vdc Vdc |
| Insulation Resistance (@50Vdc) | 50 | MOhm |
| Environmental Screening - M MODEL | |
| Stabilization Bake: | +125 °C for 24 hours similar to Mil-Std-883, M1108, Condition B |
| Temperature Cycling: | 10 cycles at -55 °C to +125 °C (transition period 5 °C / min.) similar to MIL-STD-883, M1010, Condition B |
| Burn in: | 160 hours at +85 °C minimum with V in = 28 Vdc and output at full load |
| Final Testing | |
| Environmental Screening - I MODEL | |
| Burn in: | 16 hours at +85 °C minimum with Vin = 28 Vdc and output at full load |
| Final Testing | |
| See "Guide to Operation" for full details. | |
| Mechanical Characteristics | ||
| Weight |
3.19 90 |
oz. grams |
| Size | 1.45 x 2.28 x .50 36.8 x 57.9 x 12.7 |
inch mm |
| Volume | 1.65 27.1 |
inch3 cm3 |
| Material | Pin Baseplate Case |
Brass (Solder Plating) Aluminum 5052-H32 28 GA Steel Nickel Plating |
| Mounting | Standard I Option D Option |
4-40
inserts in Baseplate M2.5 inserts in Baseplate 0.115 DIA Thru hole inserts |
| Case Drawing |
 |
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