VRAH-05A500 [BEL]
NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V - 5.0V Output / 5A; 非隔离式DC / DC转换器， 12V输入/ 0.9V - 5.0V输出/ 5A
| 型号： | VRAH-05A500 |
| 厂家： | 
BEL FUSE INC. |
| 描述： | NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V - 5.0V Output / 5A |
| 文件： | 总27页 (文件大小：511K) |
| 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 / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
SRAH-05A / VRAH-05A Series
•
•
•
•
•
•
•
•
•
Nonisolated
Compact, low profile surface mount package
Fixed frequency
High efficiency means less power dissipation
Excellent thermal performance
Optimized for cost
Remote on/off
Undervoltage lockout (UVLO)
Over current and short circuit protection
Description
The Bel SRAH-05A and VRAH-05A modules are a series of 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 0.9V to 5.0V. They are packaged
in a compact, overmolded package rated at 5A. Optional lead forming provides a vertical mount product for minimal footprint or
a surface mount option for a very low profile. Standard features include remote on/off, over current and short circuit protection,
output voltage adjust and industrial temperature ranges (-40° to +85° C). The output is closely regulated and the efficiency is
typically 91.5% at full load. 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
•
•
•
•
Distributed power architectures
Data networking equipment
Telecommunications
Computers and peripherals
Part Number Selection
Output
Voltage
Input
Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Part Number
Surface Mount
Part Number
Vertical Mount
5.0V
5.0V
12V
12V
12V
12V
12V
12V
12V
12V
12V
12V
12V
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
25W
25W
91.5%
91.5%
88%
86%
83%
81%
78%
76%
73%
88%
88%
SRAH-05A500
SRAH-05A50F*
SRAH-05A330
SRAH-05A250
SRAH-05A180
SRAH-05A150
SRAH-05A120
SRAH-05A100
SRAH-05A090
SRAH-05A1A0
SRAH-05A1AF*
VRAH-05A500
VRAH-05A50F*
VRAH-05A330
VRAH-05A250
VRAH-05A180
VRAH-05A150
VRAH-05A120
VRAH-05A100
VRAH-05A090
VRAH-05A1A0
VRAH-05A1AF*
3.3V
16.5W
12.5W
9.0W
7.5W
6.0W
5.0W
4.5W
18.2W
18.2W
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.9 ~ 3.63V
0.9 ~ 3.63V
* F indicates fast start up.
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Absolute Maximum Ratings
Parameter
Symbol
Min
-0.3
-0.3
-40
Typical
Max
15
Unit
V
Continuous Input Voltage
Output Enable Terminal Voltage
Ambient Temperature
Storage Temperature
Vin
Vouten
Tamb
Tstor
15
V
85
°C
°C
-40
125
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
Module
Symbol
Min
Typical
Max
Units
Operating Input Voltage
Input Current
All
Vin
Iin
10.8
13.2
V
A
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
2.8
2.0
1.5
1.2
1.0
0.8
0.7
0.65
No Load Input Current
mA
mA
All
All
All
All
All
All
All
50
10
Remote Off Input Current
3
50
Input Reflected Ripple Current1
mArms
Input Reflected Ripple Current (P-P)1
I2t Inrush Current Transient
Turn On Voltage Threshold
Turn Off Voltage Threshold
150
0.006
9.8
mApk
A2s
V
0.012
9.6
8.5
9.0
V
Note: Input capacitance one 270µF/16V, ESR = 0.018 Ω max at 100kHz @ 25° C.
1. With simulated source impedance of 500nH, 5Hz to 20MHz.
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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 / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Output Voltage Set Point 1
Vout
V
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
4.9
5
5.1
3.247
2.460
1.771
1.476
1.181
0.984
0.886
3.3
2.5
1.8
1.5
1.2
1.0
0.9
3.353
2.540
1.829
1.524
1.219
1.016
0.914
Load Regulation
mV
mV
mV
mV
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
15
8
8
5
5
5
5
4
30
20
20
15
15
15
15
15
Line Regulation
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
3
3
3
2
2
2
1
1
10
10
10
10
10
10
10
10
Regulation Over Temperature
(-40° to 85° C)
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
40
40
35
20
15
10
6
70
70
70
40
30
20
12
10
5
Total Output Voltage Regulation
(-40° to 85° C)
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
58
51
46
27
22
17
12
10
110
100
100
65
45
45
37
35
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.
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Output Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Output Ripple and Noise 2
mVp-p
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
70
70
60
50
50
40
30
30
100
100
100
100
80
80
60
60
Output Ripple and Noise 2
mVrms
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
30
30
30
20
20
15
15
10
60
60
60
40
40
30
30
20
Output Current Range
Output DC Current Limit
Short Circuit Surge
All
All
Iout
0
6
5
A
A
Ioutlim
12.5
Ioutsurge
A2s
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.9
0.60
0.70
0.85
0.85
1.05
1.1
1.8
1.2
1.4
1.7
1.7
2.1
2.2
2.2
1.1
Turn on Time
Ton
ms
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.9V
180
130
130
130
130
130
130
130
130
250
200
200
200
200
200
200
200
200
Turn on Time3
0.9V - 5.0V
All
Ton
10
0
20
3
ms
%
Overshoot at Turn On
Overshoot at Turn On3
%
1.2 - 5.0V
0.9V - 1.0V
0
3
3
10
Output Capacitance
All
Cout
0
2200
µF
Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
2. 0 - 20MHz, 22µF/6.3V X5R ceramic cap on output (10µF/10V X5R ceramic cap for 5.0V module).
3. For fast start up modules.
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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 / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
100
60
150
100
150
100
mV
µs
Ts
Ts
5.0V
∆V 100% to 50% of Max Load
Settling Time
100
60
mV
µs
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
100
50
150
80
mV
µs
Ts
Ts
3.3V
∆V 100% to 50% of Max Load
Settling Time
100
50
150
80
mV
µs
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
100
50
150
80
mV
µs
Ts
Ts
2.5V
∆V 100% to 50% of Max Load
Settling Time
100
50
150
80
mV
µs
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
100
50
150
80
mV
µs
Ts
Ts
1.8V
∆V 100% to 50% of Max Load
Settling Time
100
50
150
80
mV
µs
Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
3. di/dt = 0.5A/uS, Ta = 25° C. 0.9V ~ 3.3V modules with 220µF/6.3V Tant cap (5.0V module with 100µF/10V tant cap).
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Output Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
80
50
80
50
120
80
mV
µs
Ts
Ts
1.5V
∆V 100% to 50% of Max Load
Settling Time
120
80
mV
µs
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
80
50
80
50
120
80
mV
µs
Ts
Ts
1.2V
1.0V
0.9V
∆V 100% to 50% of Max Load
Settling Time
120
80
mV
µs
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
80
50
80
50
120
80
mV
µs
Ts
Ts
∆V 100% to 50% of Max Load
Settling Time
120
80
mV
µs
Transient Response 3
∆V 50% to 100% of Max Load
Settling Time
80
50
80
50
120
80
mV
µs
Ts
Ts
∆V 100% to 50% of Max Load
Settling Time
120
80
mV
µs
Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated.
3. di/dt = 0.5A/uS, Ta = 25° C. 0.9V ~ 3.3V modules with 220µF/6.3V Tant cap (5.0V module with 100µF/10V tant cap).
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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 / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
General Specifications
Parameter
Module
Symbol
Min
Typical
Max
Units
Efficiency1
%
η
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
89
86
84
81
79
76
74
71
91
88
86
83
81
78
76
73
Switching Frequency
Fsw
kHz
0.9V ~ 3.3V
5.0V
210
330
250
370
290
410
Output Voltage Trim Range
(Wide Trim)2
0.9V
403
%
%
Output Voltage Trim Range
(Narrow Trim)2
90
90
90
90
90
90
90
90
110
110
110
110
110
110
110
110
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
Weight
All
4.9
g
1. Vin=12V, full load and Ta=25° C.
2. See graphs on pages 17-25.
Control Specifications
Parameter
Module
Symbol
Vouten
Min
Typical
Max
Units
Remote On/Off 3
All
V
Signal Low (Unit Off)
Signal High (Unit On)
All
All
-0.3
2.8
1
V
V
13.2
3. With remote on/off pin 1 open, the module is on.
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Efficiency Data
MODULE 3.3V
MODULE 5.0V
95%
90%
100%
95%
90%
85%
80%
75%
70%
10.8
10.8
12
85%
80%
75%
70%
12
13.2
13.2
0.50
1.25
2.50
3.75
5.00
0.50
1.25
2.50
3.75
5.00
OUTPUT CURRENT
OUTPUT CURRENT
MODULE 2.5V
MODULE 1.8V
95%
90%
85%
80%
75%
70%
65%
90%
85%
80%
75%
70%
65%
60%
10.8
12
10.8
12
13.2
13.2
0.50
1.25
2.50
3.75
5.00
0.50
1.25
2.50
3.75
5.00
OUTPUT CURRENT
OUTPUT CURRENT
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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 / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Efficiency Data
MODULE 1.5V
MODULE 1.2V
90%
85%
80%
75%
70%
65%
60%
85%
80%
75%
70%
65%
60%
55%
50%
10.8
12
10.8
12
13.2
13.2
0.50
1.25
2.50
3.75
5.00
0.50
1.25
2.50
3.75
5.00
OUTPUT CURRENT
OUTPUT CURRENT
MODULE 1.0V
MODULE 0.9V
85%
80%
75%
70%
65%
60%
55%
50%
85%
80%
75%
70%
65%
60%
55%
50%
10.8
12
10.8
12
13.2
13.2
0.50
1.25
2.50
3.75
5.00
0.50
1.25
2.50
3.75
5.00
OUTPUT CURRENT
OUTPUT CURRENT
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 9
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Ripple and Noise
0.9V ~ 3.3V modules with 22µF/6.3V X5R ceramic cap at the output.
5.0V module with 10µF/10V X5R ceramic cap at the output.
Ripple and noise at full load and 12Vdc input,
5.0Vdc output and Ta=25° C
Ripple and noise at full load and 12Vdc input,
3.3Vdc output and Ta=25° C
Ripple and noise at full load and 12Vdc input,
2.5Vdc output and Ta=25° C
Ripple and noise at full load and 12Vdc input,
1.8Vdc output and Ta=25° C
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 10
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Ripple and Noise
0.9V ~ 3.3V modules with 22µF/6.3V X5R ceramic cap at the output.
5.0V module with 10µF/10V X5R ceramic cap at the output.
Ripple and noise at full load and 12Vdc input,
1.2Vdc output and Ta=25° C
Ripple and noise at full load and 12Vdc input,
1.5Vdc output and Ta=25° C
Ripple and noise at full load and 12Vdc input,
1.0Vdc output and Ta=25° C
Ripple and noise at full load and 12Vdc input,
0.9Vdc output and Ta=25° C
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 11
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Transient Response
Transient response: di/dt = 0.5A/µS, 0.9V ~ 3.3V modules with 220µF/6.3V tant cap, 5.0V module with 100µF/10V tant cap.
Vout=5.0V
Vout=5.0V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
Vout=3.3V
Vout=3.3V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 12
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Transient Response
Transient response: di/dt = 0.5A/µS, 0.9V ~ 3.3V modules with 220µF/6.3V tant cap, 5.0V module with 100µF/10V tant cap.
Vout=2.5V
Vout=2.5V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
Vout=1.8V
Vout=1.8V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 13
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Transient Response
Transient response: di/dt = 0.5A/µS, 0.9V ~ 3.3V modules with 220µF/6.3V tant cap, 5.0V module with 100µF/10V tant cap.
Vout=1.5V
Vout=1.5V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
Vout=1.2V
Vout=1.2V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
Vout=1.0V
Vout=1.0V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 14
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Transient Response
Transient response: di/dt = 0.5A/µS, 0.9V ~ 3.3V modules with 220µF/6.3V tant cap, 5.0V module with 100µF/10V tant cap.
Vout=0.9V
Vout=0.9V
50% to 100% load transients at 12V input and Ta=25° C
100% to 50% load transients at 12V input and Ta=25° C
Thermal Considerations
Vin = 12V
xRAH-05A1A0
0.9 ~ 1.8V
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 15
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Thermal Considerations
xRAH-05A1A0
2.5V ~ 3.3V
xRAH-05A500
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 16
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Voltage Set-Point Adjustment
Trim Down Test Circuit
Trim Up Test Circuit
Vo
Vo
Trim
Trim
Gnd
Gnd
xRAH-05A1A0Trim Resistor Calculation
3.712
– 0.261) Kohm
Rtrim up =
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 17
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A090Trim Resistor Calculation
3.712
Rtrim up =
– 40.2) Kohm
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 18
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A100Trim Resistor Calculation
0.9516
Rtrim down =
– 8.47) Kohm
(
Vo, adj – Vo
3.712
Rtrim up =
– 3.83) Kohm
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 19
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A120Trim Resistor Calculation
1.879
– 14.640) Kohm
Rtrim down =
(
Vo, adj – Vo
3.712
Rtrim up =
– 10) Kohm
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 20
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A150Trim Resistor Calculation
3.273
– 20.84) Kohm
Rtrim down =
(
Vo, adj – Vo
3.712
– 16.2) Kohm
Rtrim up =
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 21
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A180Trim Resistor Calculation
4.669
Rtrim down =
– 24.24) Kohm
(
Vo, adj – Vo
3.712
Rtrim up =
– 19.6) Kohm
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 22
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A250Trim Resistor Calculation
7.912
Rtrim down =
– 17.94) Kohm
(
Vo, adj – Vo
3.712
– 13.3) Kohm
Rtrim up =
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 23
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A330Trim Resistor Calculation
11.614
Rtrim down =
– 14.64) Kohm
(
Vo, adj – Vo
3.712
Rtrim up =
– 10) Kohm
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 24
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
Output Voltage Set-Point Adjustment
xRAH-05A500Trim Resistor Calculation
19.4618
Rtrim down =
– 10.83) Kohm
(
Vo, adj – Vo
3.712
Rtrim up =
– 6.19) Kohm
(
Vo, adj – Vo
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 25
NON-ISOLATED DC/DC CONVERTERS
POWER PRODUCTS
12V Input / 0.9V – 5.0V Output / 5A
BP05xRAH-05A
Mechanical
SRAH-05A
Suggested PCB Pad Layout
0.065 [1.65]
0.400
[10.16]
0.110
[2.79]
0.60
[15.24]
0.855
[21.72]
0.050
[1.27]
R0.015
[R0.38] typ
0.70
[17.78]
R0.008
[R0.20] typ
0.100 [2.54]
0.012
[0.30]
0˚-5˚
0.004 [0.10]
0.050
[1.27]
0.320
[8.13]
0.055 [1.40] 2x
0.090 [2.29] 2x
0.020
[0.51]
0.100
[2.54]
4x
0.780
[19.81]
0.400
[10.16]
Dimensions are in inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
7
6
Pin
1
Function
Remote On/Off
+Vin
2
3
Ground
4
+Vo
5
Trim
1
3 4 5
2
6
No Connection
No Connection
7
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 26
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 5A
POWER PRODUCTS
BP05xRAH-05A
0.700
[17.78]
Mechanical
VRAH-05A
0.050
[1.27]
0.600
[15.24]
0.265
[6.73]
min
0.050 [1.27]
0.100 [2.54]
0.400 [10.16]
0.020
[0.51]
0.308
[7.82]
Dimensions are in inches [millimeters].
Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
Pin
1
Function
Remote On/Off
+Vin
2
3
Ground
4
+Vo
5
Trim
1 2 3 4 5
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other
hazardous substances from electronic products. These parts are not however compatible with
the higher temperatures associated with lead free solder processes and must be soldered using
a reflow profile with a peak temperature of no more than 240ºC.
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
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
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 27
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