| 品牌： | Astec | 类型： | AC/DC电源 | 型号： | LPQ253-C |
| 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： | 5 12 -12 +-5~25（V） | 工作效率： | 75（%） | 输出纹波噪音： | 50mV 120mV 120mV 240mV |
| 电压调整率： | +-0.2 +-1 +-1 +-1（%） | 负载调整率： | +-2 +-3 +-3 +-3（%） | 产品认证： | UL |
LPQ250 Series WebSheet
- Total Max Power: 250 W
- Total Max Current: 6 A
- Input Voltage: 85 V to 264 V
- Output Voltage: -15 V to - 5 V
- Outputs: Quad
- 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
- Active power factor correction
- Adjustable floating 4th output
- Single wire current sharing
- Overload protection
- 2 Supervisory outputs 5 V and 12 V
- IEC EN61000-3-2 compliance
- Remote sense on main output
- Power fail and remote inhibit
- Overvoltage protection
- Built-in EMI filter
- Optional end fan cover -CEF
- Optional with fan cover -CF
- 120 KHz switching frequency
- Cover -C
- DC power good
- Thermal overload protection
Electrical specs
Input
- Efficiency: 75% typical at full load
- Safety ground leakage current: <0.5 mA @ 50/60 Hz, 264 VAC input
- EMI filter: FCC Class B conducted and radiated CISPR 22 Class
- Power factor: 0.99 typical
- Frequency: 47-440 Hz
- Input range: 85-264 VAC; 120-300 VDC
- Inrush current: 20 A max., cold start @ 25°C
Output
- Overvoltage protection: 5 V output: 5.7-6.7 VDC.
- Adjustment range: &plu***n;5% min. on main: 5-25 V on 4th output
- Maximum power: With cover: 250 W with 30 CFM forced air, (-C) (-C
- Supervisory outputs: 5 V @ 100 mA regulated, 12 V @ 500 mA
- Hold-up time: 16ms @ 250 W load, 115 VAC nominal line
- Overload protection: Short circuit protection on all outputs. Case over
Logic Control
- DC OK: TTL logic goes high 50-150 msec after 5 V output.
- 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
- Power failure: TTL logic signal goes high 50-150 msec after 5V ou
LPQ250 models
| Output(s) | Model No | Buy Now | Evaluation |
| 5.5 V @ 35 A, 12 V @ 10 A, -12 V @ 6 A | LPQ252-C | Buy Now | Request |
| 5.5 V @ 35 A, 12 V @ 10 A, -12 V @ 6 A | LPQ252-CEF | Buy Now | Request |
| 5.5 V @ 35 A, 12 V @ 10 A, -12 V @ 6 A | LPQ252-CF | Buy Now | Request |
| 5.5 V @ 35 A, 15 V @ 10 A, -15 V @ 6 A | LPQ253-C | Buy Now | Request |
| 5.5 V @ 35 A, 15 V @ 10 A, -15 V @ 6 A | LPQ253-CEF | Buy Now | Request |
| 5.5 V @ 35 A, 15 V @ 10 A, -15 V @ 6 A | LPQ253-CF | Buy Now | Request |