參數(shù)資料
型號(hào): VRAH-12F100R
廠商: BEL FUSE INC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT 12 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, MODULE-5
文件頁(yè)數(shù): 5/12頁(yè)
文件大?。?/td> 499K
代理商: VRAH-12F100R
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
1.0 Vdc - 3.3 Vdc/12 A Output
Input Specifications (continued)
Parameter
Min
Typ
Max
Notes
Input Reflected Ripple Current (pk-pk)
-
260 mA
320 mA
Input Reflected Ripple Current (rms)
-
75 mA
120 mA
With simulated source impedance of
500 nH, 5 Hz to 20 MHz; use a
270 uF/6.3 V cap with ESR=0.03 ohm
max at 100 kHz
I
2t Inrush Current Transient
-
0.09 A
2s0.2 A2s
Turn on Voltage Threshold
2.1 V
-
Turn off Voltage Threshold
-
2 V
2.4 V
Note:
All specifications are typical at 25 °C unless otherwise stated.
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
VO=1.0 V
3.234 V
2.450 V
1.764 V
1.470 V
1.176 V
0.980 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
1.0 V
3.366 V
2.550 V
1.836 V
1.530 V
1.224 V
1.020 V
Test conditions:
Vin=5 V, Io= 50% load
Line Regulation
-
±1 mV
±4 mV
Load Regulation
-
±2 mV
±5 mV
Regulation Over Temperature
(-40
°C to +85 °C)
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
VO=1.0 V
-
±10 mV
±9 mV
±7 mV
±6 mV
±5 mV
±4mV
±15 mV
±13 mV
±12 mV
±11 mV
±10 mV
±9mV
Output Current
0 A
-
12 A
Current Limit Threshold
20 A
-
30 A
Short Circuit Surge Transient
-
0.3 A
2s
0.6 A
2s
Ripple and Noise (rms)
-
12 mV
21 mV
Ripple and Noise (pk-pk)
-
50 mV
90 mV
Test conditions:
0-20 MHz BW; 1 uF ceramic
capacitor and 330 uF external
capacitor at the output.
Turn on Time
-
5 mS
10 mS
Overshoot at Turn on
-
0%
3%
Output Capacitance
330 uF
-
4800 uF
Transient Response
Overshoot
-
110 mV
150 mV
50% ~ 100%
Max Load
Settling Time
-
40 uS
80 uS
Overshoot
-
110 mV
150 mV
100% ~ 50%
Max Load
Settling Time
VO=3.3 V
-
40 uS
80 uS
Overshoot
-
100 mV
150 mV
50% ~ 100%
Max Load
Settling Time
-
30 uS
60 uS
Overshoot
-
100 mV
150 mV
100% ~ 50%
Max Load
Settling Time
VO=2.5 V
-
30 uS
60 uS
Overshoot
-
90 mV
130 mV
50% ~ 100%
Max Load
Settling Time
-
20 uS
40 uS
Overshoot
-
90 mV
130 mV
100% ~ 50%
Max Load
Settling Time
VO=1.0 V -
1.8 V
-
20 uS
40 uS
Test conditions:
di/dt=0.5A/us, Vin=5V, with
330uF external load
capacitance.
Note:
All specifications are typical at 5 V input, full load at 25 °C unless otherwise stated.
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