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參數(shù)資料
| 型號： | VRAH-12F1A0R |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 39.6 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-5 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 367K |
| 代理商： | VRAH-12F1A0R |
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
3.0 Vdc - 5.5 Vdc Input
0.8 Vdc - 3.63 Vdc/12 A Output
Non-Isolated
Wide Trim
Fixed Frequency (300 kHz)
Remote Sense (SMD Module)
Description
The Bel xRAH-12F1A0 modules are a series of non-isolated, step down dc/dc power converters that operate from
3.0 Vdc to 5.5 Vdc source. These converters are available in a range of output voltages from 0.8 Vdc to 3.63 Vdc.
It is packaged in a compact, overmolded package rated at 12 A. Optional lead forming provides a vertical mount
product for minimal footprint or a surface mount option for a very low profile. The output is closely regulated and
the efficiency is typically 94% at 3.3 Vdc output full load.
OCP/SCP
Remote On/Off
Under Voltage Lockout (UVLO)
UL60950-1 Recognized (UL/cUL)
Part Selection
Output Voltage
Input Voltage
Max. Output
Current
12 A
Max. Output
Power
39.6 W
Typical
Efficiency
94%
Part Number
Surface Mount
SRAH-12F1A0
Part Number
Vertical Mount
VRAH-12F1A0
0.9 Vdc - 3.3 Vdc
3.0 Vdc - 5.5 Vdc
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
Input Voltage (continuous)
-0.3 V
-
Output Enable Terminal Voltage
-0.3 V
-
Ambient Temperature
-40
°
C
-
Storage Temperature
-55
°
C
-
Input Specifications
Parameter
Min
Typ
Input Voltage
3 V
-
Input Current (no load)
-
100 mA
Input Current (full load)
V
O
=3.3 V
V
O
=2.5 V
V
O
=1.8 V
V
O
=1.5 V
V
O
=1.2 V
V
O
=0.9 V
-
-
Remote Off Input Current
-
4 mA
Input Reflected Ripple Current (pk-pk)
-
250 mA
Max
6 V
6 V
85
°
C
125
°
C
Notes
Max
5.5 V
150 mA
11 A
10.5 A
9.0 A
8.1 A
6.5 A
5.2 A
8 mA
400 mA
Notes
-
-
-
-
-
-
-
-
-
-
With simulated source impedance of 500 nH,
5 Hz to 20 MHz; use a 270 uF/16 V cap with
ESR=0.0018 ohm max at 100 kHz
Input Reflected Ripple Current (rms)
-
80 mA
120 mA
I
2
t Inrush Current Transient
Turn on Voltage Threshold
Turn off Voltage Threshold
Note:
All specifications are typical at 5 V input, full load at 25
°
C
unless otherwise stated.
-
-
0.09 A
2
s
2.1 V
2 V
0.2 A
2
s
-
-
xRAH-12F1A0 RoHS Compliant Rev.A
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