VRBA-06E1AL [BEL]
NON-ISOLATED DC/DC CONVERTERS; 非隔离式DC / DC转换器
| 型号： | VRBA-06E1AL |
| 厂家： | 
BEL FUSE INC. |
| 描述： | NON-ISOLATED DC/DC CONVERTERS |
| 文件： | 总9页 (文件大小：269K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NON-ISOLATED DC/DC CONVERTERS
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
VRBA-06E1Ax
RoHS Compliant
Rev.A
•
•
•
•
•
Non-Isolated
•
•
•
•
•
Under-Voltage Lockout (UVLO)
Remote On/Off
High Efficiency
High Power Density
Fixed Frequency
Active Low/High (Option)
OCP/SCP
Wide Input
Wide Trim Range
Description
The Bel VRBA-06E1Ax modules are a series of non-isolated dc/dc converters that can deliver up to 6 A of output
current with full load efficiency of 92% at 5.0 Vdc output. These modules provide precisely regulated voltage
programmable via external resistor from 0.75 Vdc to 5.0 Vdc over a wide range of input voltage. Their open-frame
construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features
include remote On/Off, programmable output voltage and over current protection.
Part Selection
Output
Input
Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active Low
Model Number
Active High
Voltage
5.0 V
7.0 V -14 V
4.5 V - 14 V
6 A
6 A
30.0 W
19.8 W
92%
88%
VRBA-06E1AL
VRBA-06E1AL
VRBA-06E1A0
VRBA-06E1A0
0.75 V - 3.3 V
Notes: 1. Add “G” suffix at the end of the model numbers to indicate Tray Packaging.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Min
-0.3 V
-0.3 V
Typ
Max
15 V
15 V
Notes
Input Voltage (continuous)
Output Enable Terminal Voltage
Ambient Temperature
-
-
-
-40 °C
-55 °C
85 °C
125 °C
Storage Temperature
-
Note: All specifications are typical at 25 °C unless otherwise stated.
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
4.5 V
7.0 V
12 V
12 V
14 V
14 V
Vo, set ≤ 3.3 V
Vo, set = 5.0 V
Input Current (full load)
Vo=5.0 V
Vo=3.3 V
Vo=1.8 V
Vo=0.75 V
-
-
-
-
2.75 A
1.85 A
1.05 A
0.55 A
4.8 A
4.8 A
3.2 A
1.8 A
Input Current (no load)
Vo=5.0 V
Vo=0.75 V
-
-
-
-
100 mA
20 mA
Remote Off Input Current
-
3 mA
5 mA
Tested with two 100 uF/25 V input
Tantalum capacitors & simulated source
impedance of 1uH, 5 Hz to 20 MHz.
Input Reflected Ripple Current (pk-pk)
-
120 mA
200 mA
Input Reflected Ripple Current (rms)
-
60 mA
100 mA
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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Input Specifications (continue)
Parameter
Min
Typ
Max
Notes
I2t Inrush Current Transient
-
0.002 A2s
0.02 A2s
Turn-on Voltage Threshold
Vo, set ≤ 3.3 V
-
-
4.3 V
6.0 V
4.5 V
6.5 V
Vo, set = 5.0 V
Turn-off Voltage Threshold
Vo, set ≤ 3.3 V
Shut down or below 90% set
point.
-
-
4.0 V
5.5 V
4.3 V
6.0 V
Vo, set = 5.0 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=12 V, Io=Io max
Over all operating input voltage,
resistive load, and temperature
conditions
Output Voltage Set Point
-2.5%Vo,set
-
3.5%Vo,set
Load Regulation
Line Regulation
-
-
0.4%Vo,set
0.3%Vo,set
-
-
Io=Iomin to Iomax
Vin=Vinmin to Vinmax
Regulation Over Temperature
-
0.5%Vo,set
-
Tref=Tamin to Tamax
(-40°C to +85°C)
Output Current
0 A
-
-
6 A
Current Limit Threshold
6.8 A
15 A
Short Circuit Surge Transient
-
0.25 A2s
-
Ripple and Noise (pk-pk)
Vo=5.0 V
Vo=3.3 V
Vo=0.75 V
-
-
-
100 mV
80 mV
35 mV
140 mV
120 mV
70 mV
Tested with 0-20 MHz BW, with
external 10 uF/10 V tantalum
capacitor & 1 uF/10 V ceramic
capacitor at the output
Ripple and Noise (rms)
Turn on Time
Vo=5.0 V
Vo=3.3 V
Vo=0.75 V
-
-
-
35 mV
25 mV
10 mV
50 mV
40 mV
15 mV
-
-
6 mS
0%
12 mS
3%
Overshoot at Turn on
Output Capacitance
ESR ≥ 1mohm
ESR ≥ 10mohm
0 uF
0 uF
-
-
1000 uF
2200 uF
Transient Response
50% ~ 100% Max Load
Settling Time
-
-
-
-
200 mV
25 uS
350 mV
50 uS
di/dt=2.5 A/uS; Vin=12 V; and
with 10 uF/10 V tantalum
capacitor & 1 uF/10 V ceramic
capacitor at the output.
VO =
0.75 - 5.0 V
100% ~ 50% Max Load
Settling Time
200 mV
25 uS
350 mV
50 uS
Note: All specifications are typical at nominal input (Vin=12 V), 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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
Vo=5.0 V
Vo=3.3 V
Vo=1.8 V
88%
85%
80%
68%
92%
88%
84%
73%
-
-
-
Measured at Vin=12 V, Io=Io, max
Vo=0.75 V
Switching Frequency
220 kHz
0.7525 V
250 kHz
-
280 kHz
5 V
Output Voltage Trim Range (wide trim)
Calculated Per Bell Core TR-332 (IO
= Nominal; Ta = 25 °C)
MTBF
3,260,000 hours
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
1.0 x 0.5 x 0.243
25.4 x 12.7 x 6.16
Vertical Mount
Weight
-
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)
-0.3 V
2.5 V
-0.3 V
2.5 V
-
-
-
-
0.4 V
14 V
0.4 V
14 V
VRBA-06E1A0; Remote On/Off pin open, Unit
on.
VRBA-06E1AL; 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
10.507
ModuleTrim
Rtrim =
−1
Rtrim
Vadj − 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
Vtrim = 0.7 − 0.0667 × (Vo − 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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Efficiency Data
MODULE 5.0V
MODULE 3.3V
100.0%
80.0%
60.0%
40.0%
20.0%
0.0%
100.0%
80.0%
60.0%
40.0%
20.0%
0.0%
7.0V
4.5V
12.0V
14.0V
12.0V
14.0V
1A
2A
3A
4A
5A
1A
2A
3A
4A
5A
OUTPUT CURRENT
OUTPUT CURRENT
MODULE 1.8V
MODULE 0.75V
100.0%
90.0%
80.0%
70.0%
60.0%
90.0%
80.0%
70.0%
60.0%
50.0%
4.5V
4.5V
12.0V
14.0V
12.0V
14.0V
0.6A 1.5A 3.0A 4.5A 6.0A
OUTPUT CURRENT
0.6A 1.5A 3.0A 4.5A 6.0A
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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Thermal Derating Curves
Vo=0.75 V
Vo=2.5 V
Vo=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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Ripple and Noise Waveforms
12 V input, 0.75 V output
12 V input, 1.8 V output
12 V input, 3.3 V output
12 V input, 5.0 V output
Note: Ripple and noise at full load, 0-20 MHz BW, with 10 uF/10 V tantalum capacitor and 1 uF/10 V ceramic
capacitor at the output, 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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Transient Response Waveforms
50% to 100% load step at Vin=12 V, Vo=0.75 V
100% to 50% load step at Vin=12 V, Vo=0.75 V
50% to 100% load step at Vin=12 V, Vo=1.8 V
100% to 50% load step at Vin=12 V, Vo=1.8 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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Transient Response Waveforms (continued)
50% to 100% load step at Vin=12 V, Vo=3.3 V
100% to 50% load step at Vin=12 V, Vo=3.3 V
50% to 100% load step at Vin=12 V, Vo=5 V
100% to 50% load step at Vin=12 V, Vo=5 V
Note: Transient response at di/dt=2.5 A/uS, with 10 uF/10 V tantalum capacitor and 1 uF/10 V ceramic capacitor
at the output, 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
4.5 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/6 A Output
Mechanical Outline
Pin Connections
Pin
Function
1
Vout+
Trim
2
3
GND
4
N/A
5
Vin+
6
Remote On/Off
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and
other hazardous substances from electronic products.
©2007 Bel Fuse Inc. Specifications subject to change without notice. 011207
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
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
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
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