V7BA-06F2AX [BEL]

NON-ISOLATED DC/DC CONVERTERS 2.4 V-5.5 V Input 0.75 V-3.63 V/6 A Output; 非隔离式DC / DC转换器2.4 V - 5.5 V输入0.75 V ， 3.63 V / 6 A输出


型号：	V7BA-06F2AX
厂家：	BEL FUSE INC.
描述：	NON-ISOLATED DC/DC CONVERTERS 2.4 V-5.5 V Input 0.75 V-3.63 V/6 A Output 非隔离式DC / DC转换器2.4 V - 5.5 V输入0.75 V ， 3.63 V / 6 A输出转换器
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NON-ISOLATED DC/DC CONVERTERS

2.4 V-5.5 V Input

0.75 V-3.63 V/6 A Output

V7BA-06F2Ax Series

•

Non-Isolated

High Efficiency

•

Under-voltage Lockout (UVLO)

Wide Trim

OCP/SCP

Remote On/Off

Active Low/High (option)

Able to Sink & Source Current

High Power Density

Fixed Frequency (300 kHz)

Over Temperature Protection

Flexible Output Voltage

Sequencing

Description

The Bel V7BA-06F2Ax modules are a series of non-isolated dc/dc converters that deliver up to 6A of output

current with full load efficiency of 93% 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 (2.4 V-5.5 V).

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, over

current protection, short current protection, wide input, and programmable output voltage.

Part Selection

Output

Input

Voltage

Max. Output Max. Output

Typical

Efficiency

Model Number

Active Low

Model Number

Active High

Voltage

Current

Power

0.75 V -3.63 V

2.4 V – 5.5 V

6 A

21.8 W

93%

V7BA-06F2AL

V7BA-06F2A0

Note: Add “G” suffix at 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

Sequencing Voltage ¹

-0.3 V

-40 °C

-55 °C

5.5 V

Vin

Ambient Temperature

85 °C

125 °C

Storage Temperature

Notes: All specifications are typical at 25 °C unless otherwise stated.

1. V7BA-06F2Ax 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 not used sequencing feature, tie the SEQ pin to Vin.

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/6 A Output

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

Vo≤1.5 V

1.8 V

2.4 V

3 V

5.5 V

2.5 V-3.3 V

4.5 V

Input Current (full load)

Vo=3.3V

Vo=2.5V

Vo=1.8V

Vo=1.5V

Vo=1.2V

Vo=0.75V

4.73 A

3.66 A

4.09 A

4.31 A

3.57 A

2.40 A

Input Current (no load)

Vo=3.3 V

50 mA

25 mA

0.6 mA

Vo=0.75 V

Remote Off Input Current

Tested with simulated source impedance

of 1 uH, 5 Hz to 20 MHz, one 1000 uF/25 V

AL capacitor and two 100 uF/ 10 V

Tantalum capacitor at the input.

Input Reflected Ripple Current (pk-pk)

120 mA

Input Reflected Ripple Current (rms)

35 mA

I²t Inrush Current Transient

Turn-on Voltage Threshold

Turn-off Voltage Threshold

0.04 A²s

2.4 V

2.05 V

2.0 V

1.8 V

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

-2% Vo,set

2% Vo,set

Vin=5 V, 50% full load

Over all operating input voltages,

resistive loads and temperature

conditions

Output Voltage Set Point

-3% Vo,set

3% Vo,set

Adjustment Range Selected by

External Resistor or Voltage

Load Regulation

0.7525 V

3.63 V

0.4% Vo,set

0.3% Vo,set

Io=Io, min to 50%Io, max

Vin=50% Vin, min to Vin, max

Line Regulation

Regulation Over Temperature

(-40 °C to +85 °C)

Output Current

Current Limit Threshold

Short Circuit Surge Transient

0.4% Vo,set

Tref=Ta, min to Ta, max

0 A

9 A

6 A

18 A

0.32 A²s

Tested with 0-20 MHz, with 10 uF

Tantalum capacitor & 1 uF/10 V

ceramic capacitor at the output.

Ripple and Noise (pk-pk)

40 mV

70 mV

Ripple and Noise (rms)

Turn on Time

10 mV

30 mV

6 mS

10 mS

Overshoot at Turn on

Output Capacitance

ESR ≥ 1mohm

0 uF

1000 uF

3000 uF

ESR ≥ 10mohm

Transient Response

50% ~ 100% Max Load

Settling Time

100% ~ 50% Max Load

130 mV

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

10 uF Tantalum capacitor & 1

uF/10 V TDK ceramic capacitor at

the output

25 uS

130 mV

25 uS

^VO3⁼.6⁰3^.7V^{5 V -}

Settling Time

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/6 A Output

General Specifications

Parameter

Min

Typ

Max

Notes

Efficiency

Vo=3.3 V

93%

91%

Vo=2.5 V

Vo=1.8 V

88%

Measured at Vin=5 V, full load

Vo=1.5 V

87%

Vo=1.2 V

84%

Vo=0.7525 V

78%

Switching Frequency

Over Temperature Shutdown

Output Voltage Trim Range

250 kHz

300 kHz

350 kHz

135 °C

0.7525 V

3.63 V

Calculated Per Bell Core TR-332 (Vin=5 V;

Vo=0.75 V; IO = 4.8 A; Ta = 25°C)

MTBF

7,142,646 hours

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

Weight

1.0 x 0.5 x 0.243

25.4 x 12.7 x 6.16

5 g

Note: All specifications are typical at 25 °C unless otherwise stated.

Control Specifications

Parameter

Min

Typ

Max

Notes

Remote On/Off

Signal Low (Unit Off)

Signal High (Unit On)

Signal Low (Unit On)

Signal High (Unit Off)

-0.2 V

0.3 V

Vin, max

0.3 V

V7BA-06F2A0; Remote On/Off pin open, Unit

on.

-0.2 V

1.5 V

V7BA-06F2AL; Remote On/Off pin open, Unit

on.

Vin, max

Sequencing Voltage applied on SEQ pin

should be higher than output voltage.

Sequencing Voltage

0 V

Vin

2 V/mS

Sequencing Slew Rate Capability

Sequencing Delay Time

Delay from Vin, min to application of voltage

on SEQ pin

10 mS

Tracking Accuracy

Power-Up

100 mV

200 mV

400 mV

Power-Down

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

21.07

R_trim

− 5.11

Module^Trim

Rtrim

V_adj− 0.7525

GND

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

V_trim= 0.7 − 0.1698×(V_adj− 0.7525)

Module

Trim

GND

Vtrim

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/6 A Output

Efficiency Data

2.5 V Module

3.3 V Module

100.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

100.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

4.5 V

5 V

4.5 V

5 V

5.5 V

0.6 A

1.5 A

3.0 A

4.5 A

6.0 A

0.6 A

1.5 A

3.0 A

4.5 A

6.0 A

Output Current

1.8 V Module

1.5 V Module

100.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

3 V

2.4 V

5 V

5.5 V

0.6 A

1.5 A

3.0 A

4.5 A

6.0 A

0.6 A

1.5 A

3.0 A

4.5 A

6.0 A

Output Current

0.7525 V Module

1.2 V Module

100.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

100.0%

95.0%

90.0%

85.0%

80.0%

75.0%

70.0%

65.0%

60.0%

2.4 V

5 V

2.4 V

5 V

5.5 V

0.6 A

1.5 A

3.0 A

4.5 A

6.0 A

0.6 A

1.5 A

3.0 A

4.5 A

6.0 A

Output Current

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/6 A Output

Pin Connections

Function

Vout

Trim

Ground

SEQ

Vin

Remote On/Off

2005 Bel Fuse Inc. Specifications subject to change without notice. 040805

CORPORATE

FAR EAST

EUROPE

Bel Fuse Inc.

Bel Fuse Ltd.

Bel Fuse Europe Ltd.

206 Van Vorst Street

Jersey City, NJ 07302

Tel 201-432-0463

Fax 201-432-9542

www.belfuse.com

8F/ 8 Luk Hop Street

Preston Technology Management Centre

Marsh Lane, Suite G7, Preston

Lancashire, PR1 8UD, U.K.

Tel 44-1772-556601

San Po Kong

Kowloon, Hong Kong

Tel 852-2328-5515

Fax 852-2352-3706

www.belfuse.com

Fax 44-1772-888366

www.belfuse.com

V7BA-06F2AX [BEL]

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