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LM2596SX-3.3/NOPB 参数 Datasheet PDF下载

LM2596SX-3.3/NOPB图片预览
型号: LM2596SX-3.3/NOPB
PDF下载: 下载PDF文件 查看货源
内容描述: LM2596 SIMPLE SWITCHER电源转换器150千赫3A降压型稳压器 [LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator]
分类和应用: 转换器稳压器开关
文件页数/大小: 42 页 / 4730 K
品牌: TI [ TEXAS INSTRUMENTS ]
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LM2596  
SNVS124C NOVEMBER 1999REVISED APRIL 2013  
www.ti.com  
Typical Performance Characteristics (continued)  
(Circuit of Figure 20)  
Continuous Mode Switching Waveforms  
Feedback Pin  
Bias Current  
VIN = 20V, VOUT = 5V, ILOAD = 2A  
L = 32 μH, COUT = 220 μF, COUT ESR = 50 mΩ  
A: Output Pin Voltage, 10V/div.  
B: Inductor Current 1A/div.  
C: Output Ripple Voltage, 50 mV/div.  
Figure 15.  
Figure 16. Horizontal Time Base: 2 μs/div.  
Discontinuous Mode Switching Waveforms  
VIN = 20V, VOUT = 5V, ILOAD = 500 mA  
L = 10 μH, COUT = 330 μF, COUT ESR = 45 mΩ  
Load Transient Response for Continuous Mode  
VIN = 20V, VOUT = 5V, ILOAD = 500 mA to 2A  
L = 32 μH, COUT = 220 μF, COUT ESR = 50 mΩ  
A: Output Voltage, 100 mV/div. (AC)  
B: 500 mA to 2A Load Pulse  
A: Output Pin Voltage, 10V/div.  
B: Inductor Current 0.5A/div.  
C: Output Ripple Voltage, 100 mV/div.  
Figure 17. Horizontal Time Base: 2 μs/div.  
Figure 18. Horizontal Time Base: 100 μs/div.  
Load Transient Response for Discontinuous Mode  
VIN = 20V, VOUT = 5V, ILOAD = 500 mA to 2A  
L = 10 μH, COUT = 330 μF, COUT ESR = 45 mΩ  
A: Output Voltage, 100 mV/div. (AC)  
B: 500 mA to 2A Load Pulse  
Figure 19. Horizontal Time Base: 200 μs/div.  
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