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LM2593HVS-3.3 数据表(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM2593HVS-3.3
功能描述  SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features
Download  21 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM2593HVS-3.3 数据表(HTML) 7 Page - National Semiconductor (TI)

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Typical Performance Characteristics (Circuit of Figure 1) (Continued)
Continuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD =2A
L = 32 µH, C
OUT = 220 µF, COUT ESR=50 mΩ
Discontinuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA
L = 10 µH, C
OUT = 330 µF, COUT ESR=45 mΩ
10133320
Horizontal Time Base: 2 µs/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 1A/div.
C: Output Ripple Voltage, 50 mV/div.
10133319
Horizontal Time Base: 2 µs/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.5A/div.
C: Output Ripple Voltage, 100 mV/div.
Load Transient Response for Continuous Mode
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA to 2A
L = 32 µH, C
OUT = 220 µF, COUT ESR=50 mΩ
Load Transient Response for Discontinuous Mode
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA to 2A
L = 10 µH, C
OUT = 330 µF, COUT ESR=45 mΩ
10133321
Horizontal Time Base: 50 µs/div.
A: Output Voltage, 100 mV/div. (AC)
B: 500 mA to 2A Load Pulse
10133322
Horizontal Time Base: 200 µs/div.
A: Output Voltage, 100 mV/div. (AC)
B: 500 mA to 2A Load Pulse
Connection Diagrams and Order Information
Bent and Staggered Leads, Through Hole Package
7-Lead TO-220 (T)
Surface Mount Package
7-Lead TO-263 (S)
10133350
Order Number LM2593HVT-3.3, LM2593HVT-5.0,
or LM2593HVT-ADJ
See NS Package Number TA07B
10133323
Order Number LM2593HVS-3.3, LM2593HVS-5.0,
or LM2593HVS-ADJ
See NS Package Number TS7B
www.national.com
7


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