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參數(shù)資料
| 型號： | VRAF-08AT5E |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, MODULE 5 PIN |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 176K |
| 代理商： | VRAF-08AT5E |
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
2
NON-ISOLATED DC/DC CONVERTERS
12 Vdc Input Vddq/2 / 8 A Output
Nov. 10, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Unit
Notes
Input Supply Voltage
-0.5
-
15
V
Input Signal Voltage
-0.3
-
5.25
V
Operating Temperature
0
-
70
°
C
Storage Temperature
-40
-
85
°
C
Note:
All specifications are typical at 25
°
C
unless otherwise stated.
Input Specifications
Parameter
Operating Input Voltage
Input Current (full load)
Min
5.0
-
Typ
12
-
Max
13.8
2.2
Unit
V
A
Notes
Input Current (no load)
-
25
35
mA
Reference Voltage Range (Vddq)
1.2
1.8
2.0
V
Remote Off Input Current
-
7
10
mA
Input Reflected Ripple Current
(pk-pk)
-
110
180
mA
Input Reflected Ripple Current
(rms)
I
2
t Inrush Current Transient
-
25
60
mA
With simulated source impedance of
1000 nH, 5 Hz to 20 MHz. Use a 100
uF/25 V Tan cap with ESR=0.025 ohm
max, at 100 kHz@25°C.
-
0.006
0.012
A
2
s
Turn-on Voltage Threshold
2.6
-
3.9
V
Turn-off Voltage Threshold
2.4
-
3.7
V
Notes
: 1. All specifications are typical at 25
°
C
unless otherwise stated.
2. This power module is not internally fused. An input line fuse must always be used.
Output Specifications
Parameter
Min
Output Voltage Set Point
-
Typ
Vddq/2
Max
-
Unit
V
Notes
Vin=12 V, lout=full load
Tracking Tolerance
(Vddq/2-Vout)/Vout
-1.5
-
1.5
%
Load Regulation
-
3
6
mV
Line Regulation
-
3
6
mV
Output Current
0
-
8
A
Output DC Current Limit
9.2
-
14
A
Output Ripple and Noise (pk-pk)
-
25
50
Output Ripple and Noise (rms)
-
8
15
mV
Test conditions:
0-20 MHz BW, with a 22 uF / 6.3 V
ceramic capacitor at the output.
Short Circuit Surge Transient
-
1.1
2.2
A
2
s
Turn on Time
-
2.5
5
mS
Start up from ENABLE.
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