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廣州智新電源技術有限公司
Guangzhou New Wise Power Technology Co., LTD.
18666225936
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具體型號和參數如下：
IHZC18NRA-G
| Ta=25℃，airflow rate=300 LFM,Vin=24V dc | |||||
| Parameter | Min | Typ | Max | Units | Notes&Conditions |
| INPUT CHARACTERISTICS | |||||
| Maximum Input Current | 37 | A | ** Load,18V Vin,trimmed up 10% | ||
| No-Load Input Current | 300 | 380 | Ma | ||
| Disabled Input Current | 100 | 160 | Ma | ||
| Response to Input Transient | 2.5 | V | See Figure 6 | ||
| Input Terminal Ripple Current | 500 | mA | RMS | ||
| Recommended Input Fuse | 40 | A | Fast acting extemal fuse recommended | ||
| OUTPUT CHARACTERISTICS | |||||
| Output Voltage Set Point | 27.54 | 28 | 28.39 | V | |
| Output Voltage Regulation | See Note 3 | ||||
| Over Line | ±0.25 | % | |||
| Over Load | ±0.25 | % | |||
| Over Temperature | -700 | 700 | mV | ||
| Total Output Voltage Range | 27.16 | 28.84 | V | Over sample,line,load,temperature&life | |
| Output Voltage Ripple and Noise | 20 MHZ bandwidth;see Note 1 | ||||
| Peak-to-Peak | 150 | 300 | mV | Full load | |
| RMS | 40 | 80 | mV | Full load | |
| Operating Output Current Range | 0 | 18 | A | Subject to thermal derating | |
| Output DC Current-Limit Inception | 19.5 | 21 | 22.5 | A | Output voltage 10% Low |
| Output DC Current-limit Shutdown Voltage | 11.2 | V | See Note 2 | ||
| Back-Drive Current Limit while Enabled | 4 | 5 | 6 | A | Negative current drawn from output |
| Back-Drive Current Limit While Disabled | 0 | 3 | 4 | mA | Negative current drawn from output |
| Maximum Output Capacitance | 5000 | μF | Vout nominal at full load(resistive load) | ||
| Output Voltage during Load Current Transient | |||||
| Step Change in Output Current(0.2 A/μs) | 1.5 | V | 50%to75%to50% Iout max | ||
| Settling Time | 8 | ms | To within 1% Vout nom | ||
| Output Voltage Trim Range | -50 | 20 | % | Across Pins 8&4;Common Figures 3-5; | |
| Output Voltage Remote Sense Range | 10 | % | Across Pins 8&4;C | ||
| Output Over-Voltage Protection | 35 | 36.4 | 37.8 | V | Over full temp range |
| EFFICIENCY | |||||
| ** Load | 93 | % | See Figure 1 for efficiency curve | ||
| 50% Load | 95 | % | See Figure 1 for efficiency curve | ||