V7AH-03C090

NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output x7AH-03C1A0 Series • • • • • Non-Isolated High Efficiency Low Cost Excellent Thermal Performance Input Under Voltage Lockout • • • • OCP/SCP Wide Range Trim Remote On/Off Industrial Temperature Range Description The Bel x7AH-03C1A0 modules are a series of non-isolated, step down DC/DC converters that operate from a nominal 3.3V source. These converters are available in a range of output voltages from 0.9V to 2.5V. It is packaged in a compact, overmolded package rated at 3A. Optional lead forming provides a vertical mount product for minimal footprint or a surface mount option for a very low profile. The output is closely regulated and the efficiency for 2.5V output is typically 93% at full load. Typical features include remote on/off, input under voltage lockout, over current protection and short circuit protection. Part Selection Output Voltage 0.9-2.5V 2.5V 1.8V 1.5V 1.2V 0.9 V Input Voltage 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V Max. Output Current 3A 3A 3A 3A 3A 3A Max. Output Power 7.5W 7.5W 5.4W 4.5W 3.6W 2.7W Typical Efficiency 93% 93% 89% 87% 84% 81% Part Number Surface Mount S7AH-03C1A0 S7AH-03C250 S7AH-03C180 S7AH-03C150 S7AH-03C120 S7AH-03C090 Part Number Vertical Mount V7AH-03C1A0 V7AH-03C250 V7AH-03C180 V7AH-03C150 V7AH-03C120 V7AH-03C090 Note: Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel Packaging”, and “G” for “Tray Packaging”. Absolute Maximum Ratings Parameter Input Voltage (continuous) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3V -0.3V -40°C -55°C Typ Max 6V 6V 85°C 125°C Notes Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Remote Off Input Current 7mA 3.1A 2.3A 1.9A 1.6A 1.2A 14mA Min 3V Typ Max 3.6V 110mA Notes Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output Input Specifications (continued) Parameter Input Reflected Ripple Current (pk-pk) Min Typ 50mA Max 100mA Notes With simulated source impedance of 500nH, 5Hz to 20MHz; use a 270uF/6.3V capacitor with ESR=0.03 ohm max, at 100KHz. Input Reflected Ripple Current (RMS) I t Inrush Current Transient Turn on Voltage Threshold Turn off Voltage Threshold 2 - 15mA 0.01A s 2.7V 2.4V 2 25mA 0.02A s 2 Note: All specifications are typical at 25°C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Line Regulation VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Load Regulation VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Regulation Over Temperature (-40°C to +85°C) VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Output Current Current Limit Threshold Short Circuit Surge Transient VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V 1mV 1mV 1mV 1mV 1mV 5mV 5mV 5mV 5mV 5mV 1mV 1mV 1mV 1mV 1mV 5mV 5mV 5mV 5mV 5mV 2.450V 1.764V 1.470V 1.176V 0.882V 2.5V 1.8V 1.5V 1.2V 0.9V 2.550V 1.836V 1.530V 1.224V 0.918V Test conditions: Vin=3.3V, Io= full load Min Typ Max Notes 0A 5A 10mV 10mV 10mV 10mV 10mV 0.04A s 2 0.04A s 0.04A2s 2 0.04A s 2 0.04A s 2 20mV 20mV 20mV 20mV 20mV 3A 9A 0.08A s 2 0.08A s 0.08A2s 2 0.08A s 2 0.08A s 2 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output Output Specifications (continued) Parameter Ripple and Noise (RMS) VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Ripple and Noise (pk-pk) VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Turn on Time Overshoot at Turn on Output Capacitance Transient Response 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load 50% ~ 100% Max Load 100% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time Overshoot Settling Time VO=0.9V VO=1.2V VO=1.5V VO=1.8V VO=2.5V 100mV 30uS 100mV 30uS 100mV 30uS 100mV 30uS 90mV 30uS 90mV 30uS 90mV 30uS 90mV 30uS 90mV 30uS 90mV 30uS 130mV 60uS 130mV 60uS 130mV 60uS 130mV 60uS 120mV 60uS 120mV 60uS 120mV 60uS 120mV 60uS 120mV 60uS 120mV 60uS Test conditions: di/dt=0.5A/us, Vin=3.3V, without any external capacitor at the output. 0uF 45mV 45mV 45mV 45mV 45mV 7mS 0% 70mV 70mV 70mV 70mV 70mV 15mS 1% 1200uF 10mV 10mV 10mV 10mV 10mV 20mV 20mV 20mV 20mV 20mV Min Typ Max Notes Test conditions: 0-20MHz BW; 0.1uF ceramic capacitor and 10uF tantalum capacitor at the output. Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output General Specifications Parameter Efficiency VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=0.9V Switching Frequency Output Trim Range (wide trim) Output Trim Range (narrow trim) Vo=1.2V-2.5V Vo=0.9V MTBF Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Weight 90% 86% 84% 81% 78% 250KHz 0 90%Vo 93% 89% 87% 84% 81% 300KHz 3,131,719 hours 0.78 x 0.70 x 0.32 19.81 x 17.78 x 8.13 0.70 x 0.308 x 0.65 17.78 x 7.82 x 16.51 5g 340KHz 292%VO 110%Vo 110%Vo Calculated Per Bell Core TR-332 (IO = Nominal; Ta = 25°C) Vo=0.9V Measured at Vin=3.3V, full load and Ta=25°C Min Typ Max Notes Note: All specifications are typical at 25°C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) -0.3V 1.8V 0.3V 3.6V Min Typ Max Notes Remote on/off pin open, unit on. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output Output Trim Equations Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the resistors should be used for any given application. Rtrimdown A = −B Vnom − Vadj Vout Rtrimdown Module Trim GND C Rtrimup = −D Vadj − Vnom Vout Module Trim Rtrimup GND Vnom 0.9 – 2.5 2.5 1.8 1.5 1.2 0.9 A N/A 7.9117 4.6538 3.2633 1.8699 N/A B N/A 16.14 20.84 16.14 11.45 N/A C 3.712 3.712 3.712 3.712 3.712 3.712 D 1.54 11.5 16.2 11.5 6.81 33.2 Notes Vo=0.9V when Rtrim is open Vo=2.505V when Rtrim is open Vo=1.803V when Rtrim is open Vo=1.503V when Rtrim is open Vo=1.203V when Rtrim is open Vo=0.903V when Rtrim is open Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output Efficiency Data MODULE 2.5V EFFICIENCY EFFICIENCY MODULE 1.8V 100% 90% 80% 70% 60% 0.3 0.75 1.5 2.25 3 3.0V 3.3V 3.6V 100% 90% 80% 70% 60% 0.3 0.75 1.5 2.25 OUTPUT CURRENT 3 3.0V 3.3V 3.6V OUTPUT CURRENT MODULE 1.5V 100% 90% 80% 70% 60% 50% 0.3 0.75 1.5 2.25 3 OUTPUT CURRETN MODULE 1.2V 100% 90% 80% 70% 60% 50% 0.3 0.75 1.5 2.25 3 OUTPUT CURRENT EFFICIENCY EFFICIENCY 3.0V 3.3V 3.6V 3.0V 3.3V 3.6V MODULE 0.9V EFFICIENCY 100% 80% 60% 40% 0.3 0.75 1.5 2.25 3 OUTPUT CURRENT 3.0V 3.3V 3.6V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output Thermal Derating Curve Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.3V Input 0.9V-2.5V/3A Output S7AH-03C1A0 bel Pin Connections Pin 1 2 3 4 5 6 7 Function Remote On/Off (option) Vin Ground Vout Trim (option) N/A N/A V7AH-03C1A0 bel bel Pin Connections Pin Function Remote On/Off (option) Vin Ground Vout Trim (option) bel 1 2 3 4 5 2005 Bel Fuse Inc. Specifications subject to change without notice. 011705 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com