SRBC-10F2AL | DigiCamel IC Datasheet

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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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output

Non-Isolated • Under-Voltage Lockout (UVLO)
High Efficiency • Over Temperature Protection
High Power Density • Wide Input Range
Fixed Frequency(300 kHz) • Wide Trim Range
OCP/SCP • Remote On/Off
Flexible Output Voltage Sequencing
Converter Can Sink and Source Current
Remote Sense • Active Low/High (Option)

Description

The Bel SRBC-10F2Ax modules are a series of non-isolated dc/dc converters that deliver up to 10 A of output current with full load efficiency of 95% at 3.3 Vdc output. These modules provide precisely regulated voltage programmable via external resistor from 0.75 Vdc to 3.63 Vdc over a wide range of input voltage (2.4 Vdc - 5.5 Vdc). These modules have a sequencing feature that enables designers to implement various types of output voltage sequencing when powering multiple voltages on a board. The open-frame construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features include remote On/Off, remote sense, over current protection, short current protection, wide input, and programmable output voltage. Part Selection Output Voltage Input Voltage Max. Output Current Max. Output Power Typical Efficiency Model Number Active Low Model Number Active High Notes: 1. These modules use a buck topology, so the output voltages must be 0.5 V less than the input voltage. 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 3. Add “G” to the end of the Model Number to indicate Tray Packaging. Absolute Maximum Ratings Parameter Min Typ Max Notes Input Voltage (continuous) -0.3 V - 5.8 V Output Enable Terminal Voltage -0.3 V - 5.8 V Sequencing Voltage 1 -0.3 V - Vin Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C Notes: All specifications are typical at 25 °C unless otherwise stated. 1. SRBC-10F2Ax series of modules include a sequencing feature that enables users to implement various types of output voltage sequencing in their applications. This is accomplished via an additional sequencing pin. When the sequencing feature is not used, tie the SEQ pin to Vin or leave the SEQ pin floating. SRBC-10F2Ax RoHS Com pliant Rev.A

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Input Specifications Parameter Min Typ Max Notes Input Voltage 2.4 V - 5.5 V Vo, set ≤ Vin-0.5 V Input Current (full load) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V 7.0 A 5.5 A 4.0 A 3.5 A 3.0 A 2.0 A 8.0 A 9.5 A 9.0 A 7.5 A 6.0 A 4.0 A Input Current (no load) - 80 mA - Remote Off Input Current - 15 mA - Input Reflected Ripple Current (pk-pk) - 140 mA - Input Reflected Ripple Current (rms) - 40 mA - Tested with two 100 uF/10 V tantalum input capacitors & simulated source impedance of 1uH, 5 Hz to 20 MHz. I2t Inrush Current Transient - - 0.2 A 2s Turn-on Voltage Threshold - 2.2 V - Turn-off Voltage Threshold - 2.0 V - Note: All specifications are typical at 25 °C unless otherwise stated. Output Specifications Parameter Min Typ Max Notes Output Voltage Set Point -2% Vo,set - 2% Vo,set Vin=5 V, lo=lomax full load Output Voltage Set Point -3% Vo,set - 3% Vo,set Over all operating input voltages, resistive loads and temperature conditions Load Regulation - 0.4% Vo,set - Io=Iomin to Iomax Line Regulation - 0.3% Vo,s et - Vin=Vinmin to Vinmax Regulation Over Temperature (-40 °C to +85 °C) - 0.5% Vo,set - Tref=Tamin to Tamax Output Current 0 A - 10 A Current Limit Threshold 15 A - 27 A Short Circuit Surge Transient - - 1.5 A 2s Ripple and Noise (pk-pk) - 25 mV 50 mV Ripple and Noise (rms) - 8 mV 15 mV Tested with 0-20 MHz, 10 uF/

16 V tantalum capacitor &

Overshoot at Turn on - 0% Vo,set 3% Vo,set Output Capacitance ESR ≥ 1m ohm ESR ≥ 10m ohm 0 uF 0 uF 1000 uF 4700 uF Transient Response 50% ~ 100% Max Load - 130 mV - Settling Time - 50 uS - 100% ~ 50% Max Load - 150 mV - Settling Time VO=3.3 V - 50 uS - di/dt=2.5 A/uS; Vin=5 V; and with two 150 uF/16 V tantalum capacitors & 1 uF/10 V ceramic capacitor at the output

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Output Specifications (continued) Parameter Min Typ Max Notes Transient Response 50% ~ 100% Max Load - 130 mV - Settling Time - 50 uS - 100% ~ 50% Max Load - 130 mV - Settling Time VO=2.5 V - 50 uS - 50% ~ 100% Max Load - 120 mV - Settling Time - 50 uS - 100% ~ 50% Max Load - 120 mV - Settling Time VO=1.8 V - 50 uS - 50% ~ 100% Max Load - 120 mV - Settling Time - 50 uS - 100% ~ 50% Max Load - 120 mV - Settling Time VO=1.5 V - 50 uS - 50% ~ 100% Max Load - 130 mV - Settling Time - 50 uS - 100% ~ 50% Max Load - 130 mV - Settling Time VO=1.2 V - 50 uS - 50% ~ 100% Max Load - 120 mV - Settling Time - 50 uS - 100% ~ 50% Max Load - 140 mV - Settling Time VO=0.75 V - 50 uS - di/dt=2.5 A/uS; Vin=5 V; and with two 150 uF/16 V tantalum capacitors & 1uF/10 V ceramic capacitor at the output Note: All specifications are typical at nominal input (Vin=5 V), full load at 25 °C unless otherwise stated. General Specifications Parameter Min Typ Max Notes Efficiency Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Vo=0.75 V 92% 90% 88% 87% 85% 79% 95% 93% 91% 90% 88% 82% Measured at Vin=5 V, full load Switching Frequency 250 kHz 300 kHz 350 kHz Over Temperature Shutdown - 125 °C - Output Trim Range (Wide Trim) 0.7525 V - 3.63 V Remote Sense Compensation - 10% - MTBF 6,643,156 hours Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 °C) Dimensions Inches (L × W × H) Millimeters (L × W × H) 1.30 x 0.53 x 0.315 33.02 x 13.46 x 8.00 Weight - 6.6 g - Note: All specifications are typical 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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Control Specifications Parameter Min Typ Max Notes Signal Low (Unit Off) -0.3 V - 0.3 V Signal High (Unit On) 1.5 V - 5.8 V SRBC-10F2A0; Remote On/Off pin open, Unit on. Signal Low (Unit On) -0.3 V - 0.3 V Signal High (Unit Off) 1.5 V - 5.8 V SRBC-10F2AL; Remote On/Off pin open, Unit on. Sequencing Voltage 0.05 V - Vin Sequencing Voltage should be higher than output voltage. Sequencing Slew Rate Capability - - 2 V/mS Sequencing Delay Time 10 mS - - Delay from Vin, min to application of voltage on SEQ pin Tracking Accuracy Power-Up Power-Down 100 mV 200 mV 200 mV 400 mV Output Trim Equations Equation for calculating the trim resistor (in k Ω) given the desired adjusted voltage (Vadj) is shown below. The Trim Up resistor should be connected between the Trim pin and Ground. 11.57525.0 07.21 −−= adj trim VR Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The Trim Up voltage should be connected between the Trim pin and Ground. )7525.0(1698.07.0 −×−= adjtrim VV RtrimModule Vout GND Trim Vtrim Module Vout GND Trim

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Efficiency Data 3.3V Vout 85.0% 87.0% 89.0% 91.0% 93.0% 95.0% 97.0% Output Current (A) Efficiency 4.5V 5.0V 5.5V 2.5V Vout 75.0% 80.0% 85.0% 90.0% 95.0% Output Current (A) Efficiency 3.0V 3.3V 5.0V 5.5V Vo=3.3 V Vo=2.5 V 1.8V Vout 75.0% 80.0% 85.0% 90.0% 95.0% Output Current (A) Efficiency 3.0V 3.3V 5.0V 5.5V 1.5V Vout 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% Output Current (A) Efficiency 3.0V 3.3V 5.0V 5.5V Vo=1.8 V Vo=1.5 V 1.2V Vout 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% Output Current (A) Efficiency 3.0V 3.3V 5.0V 5.5V 0.75V Vout 55.0% 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% Output Current (A) Efficiency 3.0V 3.3V 5.0V 5.5V Vo=1.2 V Vo=0.7525 V

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Thermal Derating Curves Vin=5.0 V, Vo=0.75 V Vin=5.0 V, Vo=1.5 V Vin=5.0 V, Vo=2.5 V Vin=5.0 V, Vo=3.3 V

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Thermal Derating Curves (continued) Vin=3.3 V, Vo=0.75 V Vin=3.3 V, Vo=1.5 V Vin=3.3 V, Vo=2.5 V

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Ripple and Noise Waveforms Ripple and noise at full load, 0.75 V output Ripple and noise at full load, 1.2 V output Ripple and noise at full load, 1.5 V output Ripple and noise at full load, 1.8 V output Ripple and noise at full load, 2.5 V output Ripple and noise at full load, 3.3 V output Note: Ripple and noise at 5.0 V input, 0-20MHz BW, 10 uF/16 V tantalum cap and 1uF/10 V ceramic capacitor, Ta=25 deg C.

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Transient Response Waveforms 50% to 100% load step at 0.75 V output 100% to 50% load step at 0.75 V output 50% to 100% load step at 1.2 V output 100% to 50% load step at 1.2 V output 50% to 100% load step at 1.5 V output 100% to 50% load step at 1.5 V output

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 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output Transient Response Waveforms (continued) 50% to 100% load step at 1.8 V output 100% to 50% load step at 1.8 V output 50% to 100% load step at 2.5 V output 100% to 50% load step at 2.5 V output 50% to 100% load step at 3.3 V output 100% to 50% load step at 3.3 V output Note: Transient response at 5.0 V input, di/dt=2.5 A/uS, with two 150 uF/16 V tantalum capacitors and 1 uF/10 V ceramic capacitor, Ta=25 deg C.

206 Van Vorst Street 8F/ 8 Luk Hop Street Preston Technology Management Centre

Jersey City, NJ 07302 San Po Kong Marsh Lane, Suite G7, Preston Tel 201-432-0463 Kowloon, Hong Kong Lancashire, PR1 8UD, U.K. Fax 201-432-9542 Tel 852-2328-5515 Tel 44-1772-556601 www.belfuse.com Fax 852-2352-3706 Fax 44-1772-888366 www.belfuse.com www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 2.4 Vdc - 5.5 Vdc Input 0.75 Vdc - 3.63 Vdc/10 A Output BOTTOM VIEW RECOMMENDED PAD LAYOUT Mechanical Outline RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. Pin Connections Pin Function

1 Remote On/Off

2 Vin

3 SEQ

4 Ground

5 Vout

6 Trim

7 Remote Sense

PAD SIZE:

Product Information

SRBC-10F2AL specifications and overview.

Summary

NON-ISOLATED DC/DC CONVERTERS

Description

NON-ISOLATED DC/DC CONVERTERS

Source title SRBC-10F2AL Datasheet(PDF) - Bel Fuse Inc.

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