S7AH-01H2500 [BEL]
DC-DC Regulated Power Supply Module, 1 Output, 2.5W, Hybrid, SMD-7;
| 型号： | S7AH-01H2500 |
| 厂家： | 
BEL FUSE INC. |
| 描述： | DC-DC Regulated Power Supply Module, 1 Output, 2.5W, Hybrid, SMD-7 |
| 文件： | 总10页 (文件大小：374K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NON-ISOLATED DC/DC CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
xRAH-01Hxx0
RoHS Compliant
Rev.A
• Non-Isolated
•
•
•
Remote On/Off
• Trim Function
OCP/SCP
• Low Profile Package (7.82 mm)
• UL60950-1 Recognized (UL/cUL)
Under-Voltage Lockout (UVLO)
Description
The Bel xRAH-01Hxx0 series are part of the low cost non-isolated dc/dc converter series. These modules use a
SMD or vertical mount package for ease of layout and space savings. The output is closely regulated and the
efficiency of 5 Vdc output is typically 90% at full load. Typical features include remote on/off, input under voltage
lockout, over current protection and short circuit protection.
Part Selection
Output
Voltage
Input
Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Part Number
Surface Mount
Part Number
Vertical Mount
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
8.0 V - 32 V
4.5 V - 32 V
4.5 V - 32 V
4.5 V - 32 V
4.5 V - 32 V
4.5 V - 32 V
1 A
1 A
1 A
1 A
1 A
1 A
5.0 W
3.3 W
2.5 W
1.8 W
1.5 W
1.2 W
90%
86%
83%
79%
76%
73%
SRAH-01H500
SRAH-01H330
SRAH-01H250
SRAH-01H180
SRAH-01H150
SRAH-01H120
VRAH-01H500
VRAH-01H330
VRAH-01H250
VRAH-01H180
VRAH-01H150
VRAH-01H120
Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel
Packaging”, and “G” for “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
Typ
Max
Notes
Input Voltage (continuous)
-0.3 V
-
34 V
Output Enable Terminal Voltage
Ambient Temperature
-0.3 V
-40 °C
-40 °C
-
-
-
12 V
85 °C
125 °C
Storage Temperature
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
VO=5.0 V
VO=1.2 V-3.3 V
Input Current (no load)
8.0 V
4.5 V
20 V
20 V
32 V
32 V
-
5 mA
8 mA
Input Current (full load)
VO=5.0 V
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
-
-
-
-
-
-
-
-
-
-
-
-
0.30 A
0.20 A
0.16 A
0.12 A
0.11 A
0.09 A
Remote Off Input Current
-
2 mA
5 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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Input Specifications (continued)
Parameter
Input Reflected Ripple Current
(pk-pk)
Min
Typ
Max
Notes
Tested with simulated source impedance of 500nH,
5 Hz to 20 MHz and one 100 uF/50 V electrolytic
capacitor and a 3.3 uF/50 V ceramic capacitor at
the input
-
300 mA
420 mA
Input Reflected Ripple Current
(rms)
I2t Inrush Current Transient
-
-
100 mA
0.02 A2s
160 mA
0.1 A2s
Turn on Voltage Threshold
VO=5.0 V
-
-
5.0 V
4.1 V
7.0 V
4.5 V
VO=1.2 V-3.3 V
Turn off Voltage Threshold
VO=5.0 V
-
-
3.6 V
3.3 V
5.0 V
4.0 V
VO=1.2 V-3.3 V
Note: All specifications are typical at 25 °C unless otherwise stated.
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
VO=5.0 V
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
4.90 V
3.234 V
2.450 V
1.764 V
1.470 V
1.176 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
5.10 V
3.366 V
2.550 V
1.836 V
1.530 V
1.224 V
Test conditions:
Vin=20 V, Io=50% full
load
Line Regulation
Load Regulation
±5 mV
±3 mV
±2 mV
±2 mV
±1 mV
±1 mV
±10 mV
±6 mV
±5 mV
±4 mV
±3 mV
±2 mV
VO=5.0 V
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
-
-
-
-
-
-
±5 mV
±3 mV
±2 mV
±2 mV
±1 mV
±1 mV
±10 mV
±6 mV
±5 mV
±4 mV
±3 mV
±2 mV
VO=5.0 V
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
-
-
-
-
-
-
Regulation Over Temperature
-
±10 mV
±20 mV
(-40 °C to +85 °C)
Output Current
0 A
2 A
-
-
1 A
3 A
Current Limit Threshold
Short Circuit Surge Transient
Ripple and Noise (rms)
-
-
-
0.02 A2s
0.1 A2s
6 mV
10 mV
Test condition: 0-20 MHz
BW
Ripple and Noise (pk-pk)
60 mV
100 mV
Turn on Time
-
-
6 mS
2%
-
30 mS
5%
Overshoot at Turn on
Output Capacitance
0 uF
400 uF
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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Transient Response
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Overshoot
Settling Time
Overshoot
140 mV
100 uS
140 mV
100 uS
80 mV
150 uS
80 mV
150 uS
70 mV
120 uS
70 mV
120 uS
60 mV
100 uS
170 mV
130 uS
170 mV
130 uS
120 mV
200 uS
120 mV
200 uS
110 mV
160 uS
110 mV
160 uS
100 mV
130 uS
50% ~ 100%
Max Load
VO=5.0 V
VO=3.3 V
VO=2.5 V
100% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 100%
Max Load
Settling Time
Overshoot
100% ~ 50%
Max Load
Test conditions:
di/dt = 0.5 A/uS;
Vin = 20 V
Settling Time
Overshoot
50% ~ 100%
Max Load
Settling Time
Overshoot
100% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 100%
Max Load
Settling Time
VO=1.2 V
- 1.8 V
Overshoot
60 mV
100 uS
100 mV
130 uS
100% ~ 50%
Max Load
Settling Time
Note: All specifications are typical at 20 V input, full load at 25 °C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
VO=5.0 V
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
87%
83%
80%
76%
73%
70%
90%
86%
83%
79%
76%
73%
-
-
-
-
-
-
Measured at Vin=20 V, full load
Switching Frequency
VO=5.0 V
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
130 kHz
270 kHz
190 kHz
150 kHz
130 kHz
100 kHz
150 kHz
290 kHz
220 kHz
170 kHz
150 kHz
120 kHz
170 kHz
310 kHz
250 kHz
190 kHz
170 kHz
140 kHz
Output Trim Range
MTBF
90%Vo
-
110%Vo
Calculated Per Bell Core SR-332 (IO =
0.8 A, Vo=1.8 V; Vin=20 V; Ta = 25 °C)
8,040,762 hours
Dimensions (surface mount)
Inches (L × W × H)
Millimeters (L × W × H)
Dimensions (vertical)
0.78 x 0.70 x 0.32
19.81 x 17.78 x 8.13
Inches (L × W × H)
Millimeters (L × W × H)
0.70 x 0.308 x 0.65
17.78 x 7.82 x 16.51
Weight
-
5.1 g
-
Note: All specifications are typical at 20V 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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit On)
Signal High (Unit Off)
-0.3 V
2.8 V
-
-
1 V
Remote on/off pin open, unit on.
12 V
Output Trim Equations
Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal
output voltage of the converter (Vo) are shown below. The Trim Down resistor should be connected between the
Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the
resistors should be used for any given application.
Vout
Rtrimdown
A
Module
Trim
RTrimDown
=
− B
Vo −Vadj
GND
Vout
Trim
C
RTrimUp
=
− D
Module
Vadj −Vo
Rtrimup
GND
Vo
A
B
C
D
48.70
5.0
3.3
2.5
1.8
1.5
1.2
153.56
53.80
36.70
21.70
15.20
8.70
85.20
21.50
21.50
21.50
21.50
21.50
29.20
17.20
17.20
17.20
17.20
17.20
X
X
X
X
X
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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Efficiency Data
Efficiency Curve
Efficiency Curve
95.0%
100.0%
95.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
55.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
55.0%
50.0%
8 V
20 V
32 V
4.5 V
20 V
32 V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Output Current (A)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Output Current (A)
xRAH-01H500
xRAH-01H330
Efficiency Curve
Efficiency Curve
95.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
55.0%
50.0%
95.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
55.0%
50.0%
4.5 V
20 V
32 V
4.5 V
20 V
32 V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Output Current (A)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Output Current (A)
xRAH-01H250
xRAH-01H180
Efficiency Curve
Efficiency Curve
95.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
55.0%
50.0%
95.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
55.0%
50.0%
4.5 V
20 V
32 V
4.5 V
20 V
32 V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Output Current (A)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Output Current (A)
xRAH-01H150
xRAH-01H120
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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Thermal Derating Curve
Test Condition: Derating curve is tested at nominal input voltage.
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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Ripple and Noise Waveforms
20 Vdc input, 5.0 Vdc output
20 Vdc input, 3.3 Vdc output
20 Vdc input, 2.5 Vdc output
20 Vdc input, 1.8 Vdc output
20 Vdc input, 1.5 Vdc output
20 Vdc input, 1.2 Vdc output
Note: Ripple and noise at max load, 0-20MHz BW, 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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Transient Response Waveforms
50% to 100% load, 5.0 Vdc output
100% to 50% load, 5.0 Vdc output
50% to 100% load, 3.3 Vdc output
100% to 50% load, 3.3 Vdc output
50% to 100% load, 2.5 Vdc output
100% to 50% load, 2.5 Vdc output
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 CONVERTER
4.5 Vdc - 32 Vdc Input
1.2 Vdc - 5.0 Vdc/1 A Output
Transient Response Waveforms (continued)
50% to 100% load, 1.8 Vdc output
100% to 50% load, 1.8 Vdc output
50% to 100% load, 1.5 Vdc output
100% to 50% load, 1.5 Vdc output
50% to 100% load, 1.2 Vdc output
100% to 50% load, 1.2 Vdc output
Note: Transient Response at 20 Vdc input, di/dt=0.5 A/uS, 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 CONVERTER
4.5 Vdc - 32 Vdc Input
Mechanical Outline
SRAH-01Hxx0
1.2 Vdc - 5.0 Vdc/1 A Output
Pin Connections
Pin
1
Function
Remote On/Off (option)
bel
2
Vin
Ground
Vout
3
4
5
Trim (option)
N/A
6
7
N/A
VRAH-01Hxx0
Pin Connections
Pin
Function
1
Remote On/Off (option)
bel
2
Vin
Ground
Vout
3
4
5
Trim (option)
bel
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 240 ºC.
©2007 Bel Fuse Inc. Specifications subject to change without notice. 011007
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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