| 品牌： | Astec | 类型： | AC/DC电源 | 型号： | LPS253-CF |
| 调制方式： | 脉冲宽度调制(PWM)式 | 输入电压： | 85~264VAC（V） | 输出功率： | 250W（W） |
| 输出电压： | 12（V） | 工作效率： | 75（%） | 输出纹波噪音： | 120mV |
| 电压调整率： | +-0.2（%） | 负载调整率： | +-2（%） | 产品认证： | UL |
LPS250 Series WebSheet
- Total Max Power: 250 W
- Total Max Current: 50 A
- Input Voltage: 85 V to 264 V
- Output Voltage: 3 V to 48 V
- Outputs: Single
- Size (L x W x H): 9.000" x 5.000" x 2.000"
- Warranty: 2 years
- Operating Temperature: 0 to +70 C
-
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Special features
- DC power good
- Cover -C
- Optional end fan cover -CEF
- Overload protection
- 120 kHz switching frequency
- Thermal overload protection
- Overvoltage protection
- 2 Supervisory outputs 5 V and 12 V
- Low output ripple
- Built-in EMI filter
- Single wire current sharing
- Power fail
- Optional top with fan cover -CF
- IEC EN6100-3-2 compliance
- Remote sense & remote inhibit
- Active power factor correction
Electrical specs
Input
- Inrush current: 20 A max., cold start @ 25°C
- Input range: 85-264 VAC; 120-300 VDC
- Efficiency: 75% typical at full load
- Frequency: 47-440 Hz
- EMI filter: FCC Class B conducted and radiated CISPR 22 Class
- Safety ground leakage current: <0.5 mA @ 50/60 Hz, 264 VAC input
- Power factor: 0.99 typical
Output
- Maximum power: With cover: 250 W with 30 CFM forced air. (-C) (-C
- Adjustment range: 2:1 wide ratio
- Supervisory output: 5 V @ 100 mA regulated; 12V @ 500 mA
- Hold-up time: 20 ms @ 250 W load, 115 VAC nominal line at factor
- Overload protection: Short circuit protection on all outputs. Case over
- Overvoltage protection: 5 V output: 5.7 to 6.7 VDC. Other models 10% to 25
Logic Control
- Remote sense: Compensates for 0.5 V lead drop min. Will operate
- Remote on/off: Requires an external contact (N.O or N.C) to inhib
- DC OK: TTL logic goes high 50-150 msec after the output.
- Power failure: TTL logic signal goes high 50-150 msec after 5 V o
LPS250 models
| Output(s) | Model No | Buy Now | Evaluation |
| 6 V @ 50 A | LPS252-C | Buy Now | Request |
| 6 V @ 50 A | LPS252-CEF | Buy Now | Request |
| 6 V @ 50 A | LPS252-CF | Buy Now | Request |
| 12 V @ 21 A | LPS253-C | Buy Now | Request |
| 12 V @ 21 A | LPS253-CEF | Buy Now | Request |
| 12 V @ 21 A | LPS253-CF | Buy Now | Request |
| 24 V @ 16.7 A | LPS254-C | Buy Now | Request |
| 24 V @ 16.7 A | LPS254-CEF | Buy Now | Request |
| 24 V @ 16.7 A | LPS254-CF | Buy Now | Request |
| 48 V @ 10.4 A | LPS255-C | Buy Now | Request |
| 48 V @ 10.4 A | LPS255-CEF | Buy Now | Request |
| 48 V @ 10.4 A | LPS255-CF | Buy Now | Request |