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参数资料
| 型号： | VRAH-01H1A00 |
| 厂商： | BEL FUSE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 3.3 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-5 |
| 文件页数： | 2/9页 |
| 文件大小： | 330K |
| 代理商： | VRAH-01H1A00 |
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 - 3.3 Vdc/1 A Output
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
3.234 V
2.450 V
1.764 V
1.470 V
1.176 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 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=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
-
±3 mV
±2 mV
±1 mV
±6 mV
±5 mV
±4 mV
±3 mV
±2 mV
Load Regulation
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
-
±3 mV
±2 mV
±1 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
-
400uF
Transient Response
Overshoot
-
80 mV
120 mV
50% ~ 100%
Max Load
Settling Time
-
150 uS
200 uS
Overshoot
-
80 mV
120 mV
100% ~ 50%
Max Load
Settling Time
VO=3.3 V
-
150 uS
200 uS
Overshoot
-
70 mV
110 mV
50% ~ 100%
Max Load
Settling Time
-
120 uS
160 uS
Overshoot
-
70 mV
110 mV
100% ~ 50%
Max Load
Settling Time
VO=2.5 V
-
120 uS
160 uS
Overshoot
-
60 mV
100 mV
50% ~ 100%
Max Load
Settling Time
-
100 uS
130 uS
Overshoot
-
60 mV
100 mV
100% ~ 50%
Max Load
Settling Time
VO=1.8 V
-
100 uS
130 uS
Overshoot
-
60 mV
100 mV
50% ~ 100%
Max Load
Settling Time
-
100 uS
130 uS
Overshoot
-
60 mV
100 mV
100% ~ 50%
Max Load
Settling Time
VO=1.5 V
-
100 uS
130 uS
Overshoot
-
60 mV
100 mV
50% ~ 100%
Max Load
Settling Time
-
100 uS
130 uS
Overshoot
-
60 mV
100 mV
100% ~ 50%
Max Load
Settling Time
VO=1.2 V
-
100 uS
130 uS
Test conditions:
di/dt = 0.5 A/uS;
Vin = 20 V
Note:
All specifications are typical at 20 V input, full load at 25 °C unless otherwise stated.
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