參數(shù)資料
型號(hào)： LM27402SQX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 1350 kHz SWITCHING FREQ-MAX, QCC16
封裝： 4 X 4 MM, 0.80 MM HEIGHT, 0.65 MM PITCH, LLP-16
文件頁數(shù)： 16/32頁
文件大小： 653K
代理商： LM27402SQX
EXAMPLE CIRCUIT 1
30092676
FIGURE 20. 5V - 12V V
IN to 1.5V VOUT, 20A IOUT, fsw = 300 kHz
Bill of Materials
Designator
Type
Parameters
Part Number
Qty
Manufacturer
U1
Synchronous Buck
Controller
LM27402
1
National
Semiconductor
C
BOOT
Capacitor
0.22 F, Ceramic, X7R,
25V, 10%
GRM188R71E224KA88D
1
Murata
C
C1
Capacitor
3900 pF, Ceramic, X7R,
50V, 10%
GRM188R71H392KA01D
1
Murata
C
C2
Capacitor
150 pF, Ceramic, C0G,
50V, 5%
GRM1885C1H151JA01D
1
Murata
C
C3
Capacitor
820 pF, Ceramic, C0G,
50V, 5%
GRM1885C1H821JA01D
1
Murata
C
VDD
Capacitor
1 F, Ceramic, X5R,
25V, 10%
GRM188R61E105KA12D
1
Murata
C
F
Capacitor
1 F, Ceramic, X5R,
25V, 10%
GRM188R61E105KA12D
1
Murata
C
IN
Capacitor
22 F, Ceramic, X5R,
25V, 10%
GRM32ER61E226KE15L
5
Murata
C
OUT
Capacitor
100 F, Ceramic, X5R,
6.3V, 20%
C1210C107M9PACTU
4
Kemet
C
S
Capacitor
0.22 F, Ceramic, X7R,
25V, 10%
GRM188R71E224KA88D
1
Murata
C
SS
Capacitor
47000 pF, Ceramic,
X7R, 16V, 10%
GRM188R71C473KA01D
1
Murata
C
SBY
Capacitor
100 pF, Ceramic, C0G,
50V, 5%
GRM1885C1H101JA01D
1
Murata
D
BOOT
Diode
Schottky Diode,
Average I = 100 mA,
Max Surge I = 750 mA
CMOSH-3
1
Central Semi
D
SW
Diode
Schottky Diode,
Average I = 3A, Max
Surge I = 80A
CMSH3-40M
1
Central Semi
L
OUT
Inductor
.68 H, 2.34 m
IHLP5050CEERR68M06
1
Vishay
23
www.national.com
LM27402
相關(guān)PDF資料
PDF描述
LM27402MHX SWITCHING CONTROLLER, 1350 kHz SWITCHING FREQ-MAX, PDSO16
LM2770SD-12157/NOPB SWITCHED CAPACITOR REGULATOR, 925 kHz SWITCHING FREQ-MAX, DSO10
LM2770SDX-1215/NOPB SWITCHED CAPACITOR REGULATOR, 925 kHz SWITCHING FREQ-MAX, DSO10
LM2788MM-2.0/NOPB SWITCHED CAPACITOR REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8
LM2788MM-1.5/NOPB SWITCHED CAPACITOR REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM27402SQX/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
LM27403 制造商:TI 制造商全稱:Texas Instruments 功能描述:Synchronous Buck Controller with Temperature-Compensated, Inductor-DCR-Based Overcurrent Protection and Programmable Thermal Shutdown
LM27403EVM 制造商:Texas Instruments 功能描述:LM27403EVM - Boxed Product (Development Kits)
LM27403EVM-POL600 制造商:Texas Instruments 功能描述:BOARD EVAL LM27403
LM27403SQ 制造商:TI 制造商全稱:Texas Instruments 功能描述:Synchronous Buck Controller with Temperature-Compensated, Inductor-DCR-Based Overcurrent Protection and Programmable Thermal Shutdown
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