參數(shù)資料
型號: VRAH-01H330R
廠商: BEL FUSE INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 3.3 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT PACKAGE-5
文件頁數(shù): 3/10頁
文件大?。?/td> 374K
代理商: VRAH-01H330R
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
Min
Typ
Max
Notes
Input Reflected Ripple Current
(pk-pk)
-
300 mA
420 mA
Input Reflected Ripple Current
(rms)
-
100 mA
160 mA
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
I
2t Inrush Current Transient
-
0.02 A
2s
0.1 A
2s
Turn on Voltage Threshold
VO=5.0 V
VO=1.2 V-3.3 V
-
5.0 V
4.1 V
7.0 V
4.5 V
Turn off Voltage Threshold
VO=5.0 V
VO=1.2 V-3.3 V
-
3.6 V
3.3 V
5.0 V
4.0 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
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
±1 mV
±10 mV
±6 mV
±5 mV
±4 mV
±3 mV
±2 mV
Load Regulation
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
±1 mV
±10 mV
±6 mV
±5 mV
±4 mV
±3 mV
±2 mV
Regulation Over Temperature
(-40
°C to +85 °C)
-
±10 mV
±20 mV
Output Current
0 A
-
1 A
Current Limit Threshold
2 A
-
3 A
Short Circuit Surge Transient
-
0.02 A
2s
0.1 A
2s
Ripple and Noise (rms)
-
6 mV
10 mV
Ripple and Noise (pk-pk)
-
60 mV
100 mV
Test condition: 0-20 MHz
BW
Turn on Time
-
6 mS
30 mS
Overshoot at Turn on
-
2%
5%
Output Capacitance
0 uF
-
400 uF
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