SRBC-16F1A0 datasheet, PDF - EEWORLD Datasheet

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SRBC-16F1A0: DescriptionNON-ISOLATED DC/DC CONVERTERS 2.4 V - 5.5 V Input 0.75 V - 3.63 V/16 A Output; File Size320KB，9 Pages; ManufacturerBel; Websitehttp://www.belfuse.com

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SRBC-16F1A0 Overview

NON-ISOLATED DC/DC CONVERTERS 2.4 V - 5.5 V Input 0.75 V - 3.63 V/16 A Output

SRBC-16F1A0 Preview

NON-ISOLATED DC/DC CONVERTERS

2.4 V - 5.5 V Input

0.75 V - 3.63 V/16 A Output

SRBC-16F1Ax Series

•

Non-Isolated

High Efficiency

High Power Density

Fixed Frequency (300 kHz)

Remote On/Off

Converter Can Sink and Source

Current

RoHS Compliant

•

Under-voltage Lockout (UVLO)

Over Temperature Protection

OCP/SCP

Wide Input

Wide Trim Range

Remote Sense

Active High/Low (option)

Description

The Bel SRBC-16F1Ax modules are a series of non-isolated dc/dc converters that deliver up to 16 A of output

current with full load efficiency of 94% at 3.3 V output. These modules provide precisely regulated voltage

programmable via external resistor from 0.75 V to 3.63 V over a wide range of input voltage (Vin=2.4-5.5V). The

open-frame construction and small footprint enable designers to develop cost and space-efficient solutions.

Standard features include remote On/Off, over current protection, short current protection, wide input, and

programmable output voltage.

Part Selection

Output

Voltage

0.75 V

3.63 V

Input

Voltage

2.4 V

5.5 V

Max.

Output

Current

16 A

Max.

Output

Power

58 W

Typical

Efficiency

94%

Model

Number

Active Low

SRBC-16F1AL

Model

Number

Active High

SRBC-16F1A0

Model

Number

Active Low

SRBC-16F1AW

Notes

1. These modules use a buck topology, so the output voltages must be 0.8 V less than the input voltage.

2. “W” indicates special coating.

3. Add “G” to the end of the Model Number to indicate Tray Packaging.

Absolute Maximum Ratings

Parameter

Input Voltage (continuous)

Output Enable Terminal Voltage

Ambient Temperature

Storage Temperature

Min

-0.3 V

-40

°C

-55

°C

Typ

Max

5.8 V

°C

125

°C

Notes

Note:

All specifications are typical at 25

°C

unless otherwise stated.

Input Specifications

Parameter

Input Voltage

Vo≤1.5 V

Vo=1.8 - 2.5 V

Vo=3.3 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

11.23 A

8.70 A

6.40 A

5.45 A

4.52 A

3.05 A

15.10 A

14.81 A

13.64 A

11.76 A

9.64 A

6.69 A

2.4 V

3.0 V

4.5 V

5.5 V

Min

Typ

Max

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

2.4 V - 5.5 V Input

0.75 V - 3.63 V/16 A Output

Input Specifications (continued)

Parameter

Input Current (no load)

Remote Off Input Current

Input Reflected Ripple Current (pk-pk)

Input Reflected Ripple Current (rms)

I t Inrush Current Transient

Turn-on Voltage Threshold

Turn-off Voltage Threshold

Min

Typ

80 mA

10 mA

100 mA

40 mA

0.15 A s

2.2 V

2.0 V

Max

22 mA

0.3 A s

Notes

With simulated source impedance of

1 uH, 5 Hz to 20 MHz and two 100 uF

/10 V external input Tantalum

capacitors at the input.

Note:

All specifications are typical at 25

°C

unless otherwise stated.

Output Specifications

Parameter

Output Voltage Set Point

Load Regulation

Line Regulation

Regulation Over Temperature

(-40

°C

to +85

°C)

Output Current

Current Limit Threshold

Short Circuit Surge Transient

Ripple and Noise (pk-pk)

Ripple and Noise (rms)

Turn on Time

Overshoot at Turn on

Output Capacitance

ESR

≥1

mohm

ESR

≥10

mohm

Transient Response

50% ~ 100% Max Load

Settling Time

100% ~ 50% Max Load

Settling Time

50% ~ 100% Max Load

Settling Time

100% ~ 50% Max Load

Settling Time

Vo=0.75-3.3 V

Min

-2% Vo,set

-3% Vo,set

19 A

0 uF

Typ

0.4% Vo,set

0.3% Vo,set

0.5% Vo,set

1.6 A s

25 mV

8 mV

4 mS

300 mV

50 uS

300 mV

50 uS

150 mV

100 uS

150 mV

100 uS

Max

2% Vo,set

3% Vo,set

16 A

35 A

2A s

50 mV

15 mV

8 mS

1000 uF

5000 uF

Notes

Vin=5 V, lo=lo max

Over all operating input voltage,

resistive load, and temperature

conditions

lo=lo min to lo max

Vin=Vin min to Vin max

Tested with 0-20 MHz, with external

10 uF/16 V tantalum capacitor &1 uF

/10 V TDK ceramic capacitor

di/dt=2.5 A/uS; Vin=5 V; and with

external 10 uF / 16 V Tantalum

capacitors and 1 uF/10 V ceramic

capacitor at the output

di/dt=2.5 A/uS; Vin=5 V; and with

external 2 x 150 uF / 10 V Tantalum

capacitors and 1 uF/10 V ceramic

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

2.4 V - 5.5 V Input

0.75 V - 3.63 V/16 A Output

General Specifications

Parameter

Efficiency

Vo=3.3 V

Vo=2.5 V

Vo=1.8 V

Vo=1.5 V

Vo=1.2 V

Vo=0.7525 V

Switching Frequency

Over Temperature Shutdown

Output Voltage Trim Range

Remote Sense Compensation

MTBF

Dimensions

Inches (L

Millimeters (L

Weight

1.3 x 0.53 x 0.315

33.02 x 13.46 x 8.00

6.6 g

92%

90%

88%

85%

82%

76%

250 kHz

0.7525 V

94%

92%

90%

88%

85%

79%

300 kHz

125

°C

5,438,000 hours

350 kHz

3.63 V

Total adjustment of trim, setpoint and

remote sense combined should not

exceed 3.63 V. Vo=0.7525 V when trim

pin open

Calculated Per Bell Core SR-332 (I

80% Io, max; Vo=1.8 V; Vin=5.0 V; T

°C)

Measured at Vin=5 V, full load

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)

Signal Low (Unit On)

Signal High (Unit Off)

Min

-0.3 V

1.5 V

-0.3 V

1.5 V

Typ

Max

0.3 V

5.8 V

0.3 V

5.8 V

Notes

SRBC-16F1A0; Remote On/Off pin open, Unit

on.

SRBC-16F1AL & SRBC-16F1AW; Remote

On/Off pin open, Unit on.

Output Trim Equations

Equation for calculating the trim resistor (in KΩ) given the desired adjusted voltage (Vadj) is shown below. The

Trim Up resistor should be connected between the Trim pin and Ground.

Vout

trim

21.07

−

5.11

adj

−

0.7525

Module

Trim

GND

Rtrim

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.

Vout

trim

0.7

−

0.1698

(

adj

−

0.7525)

Module

Trim

Vtrim

GND

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 V - 5.5 V Input

0.75 V - 3.63 V/16 A Output

Efficiency Data

100.0%

95.0%

90.0%

85.0%

80.0%

1 2 3 4 5 6 7 8 9 10111213141516

4.5V

5.5V

100.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3.0V

3.3V

5.5V

Vo=3.3 V

Vo=2.5 V

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3.3

5.5V

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3.3V

5.5V

Vo=1.8 V

Vo=1.5 V

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

55.0%

50.0%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

85.0%

3.3V

5.5

75.0%

65.0%

55.0%

45.0%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3.3V

5.5V

Vo=1.2 V

Vo=0.75 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 V - 5.5 V Input

0.75 V - 3.63 V/16 A Output

Thermal Derating Curves

Vin=5.0 V, Vo=3.3 V or 2.5 V

Vin=5.0 V, Vo=1.8 V or 1.5 V

Vin=5.0 V, Vo=0.7525 V or 1.2 V

Vin=3.3 V, Vo=1.8 V or 1.5 V

Vin=3.3 V, Vo=0.7525 V or 1.2 V

Bel Fuse Inc.

206 Van Vorst Street, Jersey City, NJ 07302

•

Tel 201-432-0463

•

Fax 201-432-9542

•

www.belfuse.com

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SRBC-16F1A0 Related Products

	SRBC-16F1A0	SRBC-16F1AL	SRBC-16F1AW	SRBC-16F1AX
Description	NON-ISOLATED DC/DC CONVERTERS 2.4 V - 5.5 V Input 0.75 V - 3.63 V/16 A Output	NON-ISOLATED DC/DC CONVERTERS 2.4 V - 5.5 V Input 0.75 V - 3.63 V/16 A Output	NON-ISOLATED DC/DC CONVERTERS 2.4 V - 5.5 V Input 0.75 V - 3.63 V/16 A Output	NON-ISOLATED DC/DC CONVERTERS 2.4 V - 5.5 V Input 0.75 V - 3.63 V/16 A Output

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