參數(shù)資料
型號(hào): LM2746
廠商: National Semiconductor Corporation
英文描述: Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller
中文描述: 低壓N溝道MOSFET同步降壓穩(wěn)壓控制器
文件頁(yè)數(shù): 21/24頁(yè)
文件大?。?/td> 1087K
代理商: LM2746
Example Circuits
PART
U1
PART NUMBER
LM2746
TYPE
Synchronous
Controller
Dual N-MOSFET
PACKAGE
TSSOP-14
DESCRIPTION
VENDOR
NSC
Q1
FDS6898A
SO-8
20V, 10m
@
4.5V,
16nC
Fairchild
D1
L1
MBR0520LTI
DO3316P-472
Schottky Diode
Inductor
SOD-123
4.7μH, 4.8Arms
18m
100μF, 16V,
2.89Arms
220μF, 6.3V
3.1Arms
0.1μF, 10%
Coilcraft
C
IN
1
16SP100M
Aluminum
Electrolytic
Aluminum
Electrolytic
Capacitor
10mm x 6mm
Sanyo
C
O
1
6SP220M
10mm x 6mm
Sanyo
C
CC
, C
BOOT,
C
IN
2, C
O
2
C
C3
C
SS
C
C2
C
C1
R
FB2
R
FB1
R
FADJ
R
C2
R
CS
R
CC
R
C1
R
PULL-UP
VJ1206Y104KXXA
1206
Vishay
VJ0805Y332KXXA
VJ0805A123KXAA
VJ0805A821KXAA
VJ0805A220KXAA
CRCW08051002F
CRCW08054991F
CRCW08051103F
CRCW08052101F
CRCW08052101F
CRCW080510R0F
CRCW08055492F
CRCW08051003J
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
805
805
805
805
805
805
805
805
805
805
805
805
3300pF, 10%
12nF, 10%
820pF 10%
22pF, 10%
10.0k
1%
4.99k
1%
110k
1%
2.1k
1%
2.1 k
1%
10.0
1%
54.9k
1%
100k
5%
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
20147732
FIGURE 16. 3.3V to 1.8V
@
2A, f
SW
= 300kHz
L
www.national.com
21
相關(guān)PDF資料
PDF描述
LM2746MXA Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller
LM2746MXAX Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller
LM2753SD High Power Switched Capacitor Voltage Convertor/Flash LED Driver
LM2753 High Power Switched Capacitor Voltage Convertor/Flash LED Driver
LM2753SDX High Power Switched Capacitor Voltage Convertor/Flash LED Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2746MXA 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller
LM2746MXA/NOPB 功能描述:IC REG CTRLR BUCK PWM VM 14TSSOP 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:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR)
LM2746MXAX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller
LM2746MXAX/NOPB 功能描述:IC REG CTRLR BUCK PWM VM 14TSSOP 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(wú) 升壓:無(wú) 回掃:是 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 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)
LM2747 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization