参数资料
型号: LM27402SQ
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 1350 kHz SWITCHING FREQ-MAX, QCC16
封装: 4 X 4 MM, 0.80 MM HEIGHT, 0.65 MM PITCH, LLP-16
文件页数: 16/32页
文件大小: 653K
代理商: LM27402SQ
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
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相关代理商/技术参数
参数描述
LM27402SQ/NOPB 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
LM27402SQEVAL/NOPB 功能描述:电源管理IC开发工具 LM27402SQ EVAL BOARD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
LM27402SQX 制造商:NSC 制造商全称:National Semiconductor 功能描述:High Performance Synchronous Buck Controller with DCR Current Sensing
LM27402SQX/NOPB 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
LM27403 制造商:TI 制造商全称:Texas Instruments 功能描述:Synchronous Buck Controller with Temperature-Compensated, Inductor-DCR-Based Overcurrent Protection and Programmable Thermal Shutdown