V7PA-03A [BEL]
NON-ISOLATED DC/DC CONVERTERS 12V Input / 1.5 - 3.3V Output / 3A; 非隔离式DC / DC转换器， 12V输入/ 1.5 - 3.3V输出/ 3A
| 型号： | V7PA-03A |
| 厂家： | 
BEL FUSE INC. |
| 描述： | NON-ISOLATED DC/DC CONVERTERS 12V Input / 1.5 - 3.3V Output / 3A |
| 文件： | 总9页 (文件大小：366K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
V7PA-03A Series
•
•
•
•
•
•
•
Nonisolated
Fixed frequency
High efficiency means less power dissipation
Optimized for cost
Remote on/off
Undervoltage lockout
Over current and short circuit protection
Description
The Bel V7PA-03A series modules are non-isolated, step down DC/DC power converters that operate from a nominal 12V
source. These converters are available in a range of output voltages from 1.5V to 3.3V. They are packaged in a single-in-line
footprint and provide a maximum 3A output. Standard features include remote on/off, over current protection and output
voltage adjust. These products may be used almost anywhere low-voltage silicon is employed and a 12V source is available.
Typical applications include file servers, routers, line cards and other computing and communications equipment.
Applications
•
•
•
Telecommunications
Networking
Computers and peripherals
Part Number Selection
Output
Voltage
Input
Voltage
Max. Output Max. Output
Typical
Efficiency
Part Number
Current
Power
3.3V
2.5V
1.5V
12V
12V
12V
3A
10W
89%
86%
82%
V7PA-03A330
V7PA-03A250
V7PA-03A150
3A
7.5W
4.5W
3A
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Absolute Maximum Ratings
Parameter
Symbol
Min
-0.3
-0.3
0
Typical
Max
15
Unit
V
Continuous Input Voltage
Output Enable Terminal Voltage
Ambient Temperature
Storage Temperature
Vin
Vouten
Tamb
Tstor
15
V
70
°C
°C
-40
100
Note: Use beyond the maximum ratings may cause a reliability degradation of the DC/DC
converter or may permanently damage the device.
Input Specifications
Parameter
Symbol
Vin
Min
Typical
Max
13.2
1.3
50
Units
V
Operating Input Voltage
Input Current
10.8
Iin
A
No Load Input Current
Remote Off Input Current
Input Reflected Ripple Current1
Input Reflected Ripple Current (P-P)1
I2t Inrush Current Transient
Turn On Voltage Threshold
Turn Off Voltage Threshold
mA
mA
mArms
mApk
A2s
V
3
20
15
30
65
100
0.06
0.03
9.7
8.8
8
10
V
Note: Input capacitance 270µF/16V, ESR = 0.03 Ω max at 100kHz @ 25° C.
1. With simulated source impedance of 500nH, 5Hz to 20MHz.
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 2
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Output Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Output Voltage Set Point1
Vout
V
3.3V
2.5V
1.5V
3.247
2.460
1.476
3.3
2.5
1.5
3.353
2.540
1.524
Load Regulation
Line Regulation
mV
3.3V
2.5V
1.5V
7
5
3
16
10
10
All
3
10
mV
mV
Regulation Over Temperature
0° - 70° C
3.3V
2.5V
1.5V
5
5
5
45
35
20
Total Output Voltage Regulation
mV
3.3V
2.5V
1.5V
15
8
8
70
55
40
Output Ripple and Noise2
Output Ripple and Noise2
Output Current Range
Output DC Current Limit
Short Circuit Surge
All
All
All
All
70
19
100
25
3
mVp-p
mVrms
A
Iout
0
Ioutlim
3.6
7.5
A
Ioutsurge
A2s
3.3V
2.5V
1.5V
0.005
0.012
0.017
0.010
0.024
0.034
Turn on Time
All
All
All
Ton
40
0
60
3
ms
%
Overshoot at Turn On
Output Capacitance
Cout
220
1500
µF
Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
1. Vin = 12V, Iout = full load, Ta = 25° C.
2. 0 - 20MHz BW, 0.1µF ceramic cap on output.
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 3
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Output Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Transient Response3
∆V 50% to 100% of Max Load
Settling Time
70
60
70
60
165
100
165
100
mV
µs
Ts
Ts
3.3V
mV
µs
∆V 100% to 50% of Max Load
Settling Time
Transient Response3
∆V 50% to 100% of Max Load
Settling Time
58
80
48
80
165
100
165
100
mV
µs
Ts
Ts
2.5V
mV
µs
∆V 100% to 50% of Max Load
Settling Time
Transient Response3
∆V 50% to 100% of Max Load
Settling Time
58
50
46
52
165
100
165
100
mV
µs
Ts
Ts
1.5V
mV
µs
∆V 100% to 50% of Max Load
Settling Time
Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
3. di/dt = 0.5A/uS, Vin = 12VDC, Ta = 25° C, and with a 220µF aluminum cap on output.
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 4
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
General Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Efficiency1
%
η
3.3V
2.5V
1.5V
86
83
79
89
86
82
Switching Frequency
Fsw
kHz
%
3.3V
2.5V
1.5V
255
255
195
300
300
230
345
345
265
Output Voltage Trim Range
3.3V
2.5V
1.5V
70
70
90
110
110
120
Remote Sense Compensation
Weight
All
All
N/A
6.3
V
g
1. Vin=12V, full load and Ta=25° C.
Control Specifications
Parameter
Module
Symbol
Vouten
Min
Typical
Max
Units
Remote On/Off
All
V
Signal Low (Unit Off)
Signal High (Unit On)
All
All
-0.3
2.8
0.3
V
V
13.2
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 5
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Efficiency Data
Module 3.3V
95%
90%
85%
80%
75%
70%
65%
60%
10.8V
12.0V
13.2V
0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT
Module 2.5V
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
10.8V
12V
13.2V
0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT
Module 1.5V
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
10.8V
12.0V
13.2V
0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 6
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Ripple and Noise
Ripple and noise at full load and 12Vdc input and Ta=25° C
Transient Response
Transient response: di/dt = 0.5A/µS, external load capacitance Co = 220µF (electrolytic)
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 7
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Thermal Considerations
Derating Curve
3.0
2.5
2.0
1.5
1.0
0.5
0
150LFM
Natural
Convection
50˚C 60˚C 70˚C
Ambient Temperature, Ta (˚C)
0˚C 10˚C 20˚C 30˚C 40˚C
Output Current vs. Local Ambient
Temperature and Air Velocity
©2002 Bel Fuse Inc. Specifications subject to change without notice. 01.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 8
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5 – 3.3V Output / 3A
POWER PRODUCTS
BP01V7PA-03A
Mechanical
0.37
[9.40]
max
0.55
[13.97]
2.16 [54.86]
0.063
[1.60]
0.20
[5.08]
0.025
[0.64]
0.193
[4.90]
0.28
[7.11]
0.10 [2.54]
1.60 [40.64]
0.13
[3.30]
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
Pin
1
Function
Trim
2
+Vo
3
+Vo
4
Ground
Ground
5
1
3
4
5
6
7
8
2
6
Ground
+Vin
7
8
Remote On/Off
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
CORPORATE
Bel Fuse Inc.
FAR EAST
EUROPE
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
PrestonTechnology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
page 9
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