參數(shù)資料
型號(hào): VRAH-03L2A0
廠商: BEL FUSE INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 10 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT PACKAGE-5
文件頁數(shù): 3/9頁
文件大小: 359K
代理商: VRAH-03L2A0
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
5 Vdc - 24 Vdc Input
0.9 Vdc - 3.3 Vdc/3 A, 5 Vdc/2 A Output
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Transient Response
Overshoot
-
120 mV
180 mV
50% ~ 100%
Max Load
Settling Time
-
50 uS
100 uS
Overshoot
-
120 mV
180 mV
100% ~ 50%
Max Load
Settling Time
3.3 V-5.5 V
-
50 uS
100 uS
Overshoot
-
100 mV
150 mV
50% ~ 100%
Max Load
Settling Time
-
50 uS
100 uS
Overshoot
-
100 mV
150 mV
100% ~ 50%
Max Load
Settling Time
0.9 V-2.5 V
-
50 uS
100 uS
di/dt=0.5 A/uS, with a
220 uF/10 V tantalum
cap and a 22 uF/10 V
ceramic cap at the
output
Note:
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
General Specifications
Parameter
Vin
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
Vo=0.9 V
12 V
8 V
5 V
87%
84%
82%
79%
76%
74%
71%
91%
88%
86%
83%
80%
78%
75%
-
Vin=12.0 V; lo=lomax
Switching Frequency
250 kHz
300 kHz
360 kHz
MTBF
9,900,543 hours
Calculated Per Bell Core SR-332
(Vin=12 V; Vo=3.3 V, IO = 2.4 A; Ta =
25
°C)
Dimensions (surface mount)
Inches (L × W × H)
Millimeters (L × W × H)
0.78 x 0.7 x 0.32
19.812 x 17.78 x 8.128
Dimensions (vertical)
Inches (L × W × H)
Millimeters (L × W × H)
0.7 x 0.308 x 0.65
17.78 x 7.82 x 16.51
Weight
-
4.9 g
-
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit Off)
-0.3 V
-
1 V
Signal High (Unit On)
2.8 V
-
24 V
Remote on/off pin is open, Unit On
Current Sink
-3 mA
-
5 mA
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