UP TO 100 WATTS BQ SERIES BQ SERIES INDUSTRY STANDARD QUARTER BRICK FEATURES • • • • • • • • • • High Efficiency - 86% @ 3.3V and 5V (typical) Overcurrent Protection Remote Sense Remote On/Off (primary referenced, negative or positive logic) Output Voltage Adjustment (trim) Water Washable Heatsink Mountable Fixed Frequency UL/CUL 1950 and EN60950 CE mark, LVD, 48Vin only * (see page 2) THE BQ SERIES FROM WALL INDUSTRIES The BQ Series of DC/DC Converters is a single output, highly efficient, high reliability and low cost design, to meet the needs of today's power requirements. The BQ Series perform exceptionally well in Telecom, Networking and Industrial Applications. SPECIFICATIONS: BQ SERIES INPUT SPECIFICATIONS GENERAL SPECIFICATIONS Input Voltage Range..................................................36-75VDC Nominal Input.................................................................48VDC Remote On/Off...........................................ref. -Vin (see note 1) Efficiency...........................Model Specific, Consult Factory Isolation Voltage, input to output...................1500VDC min. Isolation Resistance.........................................100MOhms Minimum Load..................Varies by model, consult factory Output OUTPUT SPECIFICATIONS Current............................................................See table Tolerance...............................................................±1% Line Regulation(LL-HL).....................................................±0.1% Load Regulation...............................................................±0.1% Short Circuit Protection Inception.......................................125% Overvoltage Protection......................................................120% Ripple/Noise....................................1% Vout Nom., 20MHz BW External Trim Voltage Range..............................................±10% Short Circuit ..............................Continuous and Auto Recovery Switching Frequency........................5V and Lower 400kHz (typ) ENVIRONMENTAL SPECIFICATIONS Voltage Operating Temperature...................-40°C to +100°C Case Storage Temperature...............................-55°C to +125°C Temperature Coefficient......................................0.02%/°C Thermal Shutdown Range............................ 105 to 115°C PHYSICAL SPECIFICATIONS Package size.....................................2.28” X 1.45” X 0.50” All specifications apply at +25°C ambient unless otherwise noted. 6/6/02 1 603 778 2300 WWW.WALLINDUSTRIES.COM UP TO 100 WATTS Input Voltage 36-75 BQ SERIES Output Voltage Output Current 1.5 1.8 2 2.5 3.3 5 5 5 12 15 20A 20A 20A 20A 20A 10A 15A 20A 10A 10A Model Number BQ48S1.5-30A * BQ48S1.8-36A * BQ48S2-40A BQ48S2.5-50A * BQ48S3.3-66A BQ48S5-50A * BQ48S5-75A BQ48S5-100A BQ48S12-120A BQ48S15-150A * note: 1) “A” suffix is for open construction 2) for other input voltages, please consult the factory at: [email protected] * = safety approvals pending A = open frame R = reverse logic T = Tyco® trim NOTES: 1) For negative logic, Remote ON/OFF, add “R” suffix 2) Standard lead length .125” suffix 1 = .110” suffix 2 = .150” suffix 3 = .180” suffix 4 = .210” suffix 5 = .145” 3) For other input voltages, please contact the factory at 1 (888) 597-WALL. 4) 3.3V out and less have inserts at 2 places. 5) Add “T” suffix for Tyco® trim-compatible. SEE NOTE 4 6/6/02 WWW.WALLINDUSTRIES.COM 603 778 2300 2