E R I E Specifications INPUT SPECIFICATIONS: 4 35 O0.08 Voltage Accuracy..................................................................1.0% max. Transient Response :25% Step Load Change..............................<500u sec. Ripple and Noise, 20MHz BW .........................................100mV1.90 p-p max. (48.25) 5V / 12Vout.........................120mV p-p max. Temperature Coefficient....................................................0.03%/C 2.28 max. (57.90) Short Circuit Protection..............................................Continuous / Hiccup Line Regulation1.......................................................................0.2% max. Load Regulation2.....................................................................0.5% max. Over Voltage Protection Trip Range, %Vo nom.......................115%-140% External Trim Adj. Range6.................................................................10% Current Limit.............................................. 110% - 150% Nominal Output 40-125 WATT 1/4 BRICK DC-DC CONVERTERS 30(2.03) 2.40 25 (61.00) 9 1 OUTPUT SPECIFICATIONS: Typical Derating Curve for CQB125-48S3V3 5 Input Voltage Range.............................48V..................................36 - 75V 1.40 power up .........................35V 3 Under voltage lockout ........................ typ.6 (35.56) power 0.60 down .................. 33V typ.7 (15.24) Positive Logic Remote on/off2.00 Control (see Note4 & 5) 2 (50.80) Input Filter .......................................................................................PI Type8 S 0.18 min. (4.60) 2*R1.50 2pl. 20 100LFM 10 300LFM 7pl. * * * * * 40-125W Isolated Output Quarter Brick Package Regulated Outputs Efficiency to 92% 1500VDC Isolation * * * * 25 MODEL NUMBER INPUT VOLTAGE OUTPUT VOLTAGE MIN. MAX. CQB125-48S1V0 36-75 VDC 1.0 VDC 0 mA 40A 60 mA CQB125-48S1V2 36-75 VDC 1.2 VDC 0 mA 40A 60 mA OUTPUT CURRENT INPUT CURRENT % EFF. SIZE 1016mA 82 Quarter-Brick 1190mA 84 Quarter-Brick Quarter-Brick Quarter-Brick NO LOAD FULL LOAD 30 35 40 0.50 (12.70) 45 50 55 CQB125-48S1V5 36-75 VDC 1.5 VDC 0 mA 40A 60 mA 1453mA CQB125-48S1V8 36-75 VDC 1.8 VDC 0 mA 40A 60 mA 1724mA 87 36-75 VDC 2.5 VDC 0 mA 40A 80 mA 2341mA 89 Quarter-Brick TRIM UP 36-75 VDC 3.3 VDC 0 mA 35A 80 mA 2673mA 90 TRIM DOWN -SENSE -SENSE PIN CONNECTION Pin Function 1 +V Input 2 ON/OFF 3 -V Input 4 -V Output 5 -Sense 6 Trim 7 +Sense 8 +Vout 2.30 (58.4) 2.000 (50.80) 4 3 0.600 (15.24) 5 2 6 7 1 0.600 (15.24) 0.300 (7.62) 8 Quarter-Brick 0.42 (10.6) SIDE VIEW CQB125-48S05 36-75 VDC 5.0 VDC 0 mA 25A 100 mA 2861mA 91 Quarter-Brick 0.145 (3.68) CQB125-48S12 36-75 VDC 12 VDC 0 mA 10A 100 mA 2717mA 92 Quarter-Brick 10K ohms TRIMPOT TRIM TRIM 1. Measured From High Line to Low Line 2. Measured From Full Load to Zero Load 3. The output ripple and noise is measured with 10uF tantalum and 1uF Ceramic capacitor across output. 4. Logic Compatibility .................. Open Collector ref to -Input Module ON .......... Open Circuit Module OFF ........... < 1.2Vdc 5. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF Module ON .......... < 1.2Vdc Module OFF ........... Open Circuit 6. Trim-up.................Connect a Resistor Between the Trim Pin and+Sense Trim-Down.............Connect a Resistor Between the Trim Pin and-Sense All Dimensions In Inches(mm) Tolerance Inches: x.xx= 0.02, x.xxx= 0.010 Millimeters: x.x= 0.5, x.xx= 0.25 0.040 (1.02) 75 +SENSE +SENSE BOTTOM VIEW CQB125-48S3V3 70 NOTE: 1.45 (36.8) CQB125-48S2V5 65 External Output Trim SIZE EB 86 60 Ambient Temperature(C) SIDE VIEW Efficiency......................................................................................See Table Isolation Voltage...................................................................1500 VDC min.(2) ON/OFF Isolation Resistance ...........................................................107 Ohms min. Switching Frequency .................................................................200KHz typ. 3.3V/2.5Vout......................................250KHz typ. HIGH SIGNAL HERE 5V/12Vout.....................................300KHz typ. DISABLE OUTPUT Over Temperature Protection ......................................................120C typ. -VIN (4) Operating Ambient Temperature Range.......................... -40C to +85C Power Derating Curve........................................Refer to Application Note. Storage Temperature Range ........................................... -40C to +125C Dimensions.......................................................... 2.30 x 1.45 x 0.42 inches (58.4 x 36.8 x 10.6 mm) Weight.........................................................................................................40g Input Under Voltage Protection Over Current Protection Over Temperature Protection Remote On/Off Control 200LFM 5 GENERAL SPECIFICATIONS: Features 20LFM O0.04 15(1.02) 0.062 (1.57) NOTE: 1. Nominal Input Voltage 48 VDC All Specifications Typical At Nominal Line, Full Load and 25C Unless Otherwise Noted. 80 C Q B 1 2 5 S BOTTOM VIEW Output Current (A) CQB125 Mounting Inserts M3*0.5 Through 4pl.