參數(shù)資料
型號: LM2595T-3.3
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
中文描述: 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PZFM5
封裝: BENT STAGGERED, TO-220, 5 PIN
文件頁數(shù): 7/29頁
文件大小: 935K
代理商: LM2595T-3.3
Typical Performance Characteristics
(Circuit of Figure 1) (Continued)
Feedback Pin
Bias Current
DS012565-10
Continuous Mode Switching Waveforms
V
= 20V, V
OUT
= 5V, I
= 1A
L = 68 μH, C
OUT
= 120 μF, C
OUT
ESR = 100 m
DS012565-17
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.5A/div.
C: Output Ripple Voltage, 50 mV/div.
Horizontal Time Base: 2 μs/div.
Discontinuous Mode Switching Waveforms
V
= 20V, V
OUT
= 5V, I
= 600 mA
L = 22 μH, C
OUT
= 220 μF, C
OUT
ESR = 50 m
DS012565-18
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.5A/div.
C: Output Ripple Voltage, 50 mV/div.
Horizontal Time Base: 2 μs/div.
Load Transient Response for Continuous Mode
V
= 20V, V
OUT
= 5V, I
= 250 mA to 750 mA
L = 68 μH, C
OUT
= 120 μF, C
OUT
ESR = 100 m
DS012565-19
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 750 mA Load Pulse
Horizontal Time Base: 100 μs/div.
Load Transient Response for Discontinuous Mode
V
= 20V, V
OUT
= 5V, I
= 250 mA to 750 mA
L = 22 μH, C
OUT
= 220 μF, C
OUT
ESR = 50 m
DS012565-20
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 750 mA Load Pulse
Horizontal Time Base: 200 μs/div.
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相關(guān)PDF資料
PDF描述
LM2595T-5.0 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
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