參數(shù)資料
型號(hào): LM27241MTCX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Synchronous Buck Regulator Controller for Mobile Systems
中文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁(yè)數(shù): 23/27頁(yè)
文件大小: 1336K
代理商: LM27241MTCX
Bill of Materials
Designator
U1
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
C1
C2
C3
C4, C6, C8, C17
C5, C8
C10 - C13
C14
C15, C16
C19
C20
C21
D2
L1
Q1
Function
Description
PWM Controller
4.99 k
1% 0805
5.62 k
1% 0805
1.00 k
1% 0805
3.32 k
1% 0805
40.2 k
1% 0805 (Optional)
12.7 k
1% 0805
12.7 k
1% 0805
10 k
1% 0805 (Optional)
22.1 k
1% 0805
12.7 k
1% 0805
10
1% 0805
1.33 k
1% 0805
0
10
5% 0805
220 pF 0805
4700 pF 0805
2200 pF 0805
47 μF 2220 6.3V
100 μF 4V B45192
Vendor
NSC
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
TDK
TDK
TDK
TDK
EPCOS
TDK/EPCOS
TDK
TDK
TDK
TDK
TDK
Diodes INC
Falco Electronics
International
Rectifier
International
Rectifier
ON Semi
Synchronous Buck Controller
Feedback Resistor
Compensation Resistor
Compensation Resistor
Feedback Resistor
Dynamic Feedback Resistor
Enable pull up resistor
FPWM pull up resistor
Q3 Gate to GND resistor
Freq Set Resistor
PGOOD pull up resistor
VDD filter resistor
Ilimit Resistor
Resistor (Optional)
Snubber Resistor (Optional)
Compensation Capacitor
Compensation Capacitor
Compensation Capacitor
Ceramic Output Capacitor
Tantalum Output Capacitor
Ceramic/Tantalum Input Capacitors
Soft Start Capacitor
VDD Filter Capacitor
VBOOST Capacitor
Ceramic Input Capacitor
Snubber Capacitor (Optional)
VBOOST Diode
Output Inductor
Top MOSFET
0.1 μF 0805
0.22 μF 0805
0.1 μF 0805
10 μF
470 pF
BAT54 SOT23
HC1216
IRF7821
Q2
Synchronous MOSFET
IRF7832
Q3
SW1
SW2
Small Signal FET VDYNAMIC
V-enable & FPWM/SKIP Set
Vdynamic Set
BSS138 SOT23
L
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23
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM27241MTCX/NOPB 功能描述:IC REG CTRLR BUCK PWM VM 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP(0.300",7.62mm) 包裝:管件 產(chǎn)品目錄頁(yè)面:1316 (CN2011-ZH PDF)
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LM2724ALD/NOPB 功能描述:IC DRIVER MOSFET DUAL SYNC 8-LLP RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET,電橋驅(qū)動(dòng)器 - 外部開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 配置:低端 輸入類型:非反相 延遲時(shí)間:40ns 電流 - 峰:9A 配置數(shù):1 輸出數(shù):1 高端電壓 - 最大(自引導(dǎo)啟動(dòng)):- 電源電壓:4.5 V ~ 35 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-6,D²Pak(5 引線+接片),TO-263BA 供應(yīng)商設(shè)備封裝:TO-263 包裝:管件