參數(shù)資料
型號: LM2597-12
英文描述: SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator with Features(897.00 k)
中文描述: SIMPLE SWITCHER系列電源轉(zhuǎn)換器150千赫0.5A的降壓穩(wěn)壓器的功能(897.00十一)
文件頁數(shù): 11/28頁
文件大?。?/td> 739K
代理商: LM2597-12
LM2594/LM2594HV Series Buck Regulator Design Procedure (Fixed
Output)
(Continued)
LM2594/LM2594HV Series Buck Regulator Design Procedure (Adjustable
Output)
PROCEDURE (Adjustable Output Voltage Version)
EXAMPLE (Adjustable Output Voltage Version)
Given:
V
OUT
= Regulated Output Voltage
V
IN
(max) = Maximum Input Voltage
I
LOAD
(max) = Maximum Load Current
F = Switching Frequency (Fixed at a nominal 150 kHz).
Given:
V
OUT
= 20V
V
IN
(max) = 28V
I
LOAD
(max) = 0.5A
F = Switching Frequency (Fixed at a nominal 150 kHz).
Conditions
Inductor
Output Capacitor
Through Hole
Panasonic
HFQ Series
(μF/V)
220/16
120/25
120/25
120/35
120/25
120/16
120/16
180/16
180/16
120/25
120/25
82/16
120/16
120/16
82/25
82/25
82/25
82/25
82/25
82/25
82/25
Surface Mount
AVX TPS
Series
(μF/V)
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
Output
Voltage
(V)
3.3
Load
Current
(A)
0.5
Max Input
Voltage
(V)
5
7
10
40
6
10
40
8
10
15
40
9
20
40
15
18
30
40
15
20
40
Inductance
(μH)
Inductor
(
#
)
Nichicon
PL Series
(μF/V)
220/16
120/25
120/25
120/35
120/25
120/16
120/16
180/16
180/16
120/25
120/25
82/16
120/16
120/16
82/25
82/25
82/25
82/25
82/25
82/25
82/25
Sprague
595D Series
(μF/V)
100/6.3
100/6.3
100/6.3
100/6.3
100/6.3
100/6.3
100/6.3
33/25
33/25
33/25
33/25
33/25
33/25
33/25
15/25
15/25
15/25
15/25
15/25
15/25
15/25
33
47
68
100
68
150
220
47
68
100
150
150
220
330
68
150
220
330
100
220
330
L14
L13
L21
L20
L4
L10
L9
L13
L21
L20
L19
L10
L9
L8
L21
L19
L27
L26
L11
L9
L17
0.2
5
0.5
0.2
12
0.5
0.2
FIGURE 2. LM2594/LM2594HV Fixed Voltage Quick Design Component Selection Table
L
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相關(guān)PDF資料
PDF描述
LM2597-3.3 SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator with Features(897.00 k)
LM2597-5.0 SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator with Features(897.00 k)
LM2597HV-12 SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator with Features(897.00 k)
LM2597HV-3.3 SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator with Features(897.00 k)
LM2597HV-5.0 SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator with Features(897.00 k)
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LM2597HVM-12 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
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LM2597HVM-12/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter IC
LM2597HVM-3.3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2597HVM-3.3/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT