參數(shù)資料
型號(hào)： LM2647MTC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Dual Synchronous Buck Regulator Controller
中文描述： DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28
封裝： TSSOP-28
文件頁數(shù)： 23/25頁
文件大?。?/td> 763K
代理商： LM2647MTC
Bill of Materials
Designator
C1
C4
C5
C6
C7
C14
C15
C16
C17
C22
C23
C25
C26
C28
C29
C30
C31
C32
R1
R6
R7
R8
R9
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
L1
L2
D1
D2
Q1
Q2
Q3
Q4
Q5
U1
Function
Descrtiption
Type
1812
1206
1206
1206
1206
1206
1206
1206
1206
Vendor
TDK
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
TDK
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Sumida
Sumida
Onsemi
Onsemi
Vishay
Vishay
Vishay
Vishay
National
Grayhill
Cin (Ch #2)
Comp cap (across RC, Ch #2)
Comp cap (series with R, Ch #2)
Comp cap (series with R, Ch #1)
Comp cap (across RC, Ch #1)
Cff (Ch #2)
Soft-start cap (Ch #2)
Soft-start cap (Ch #1)
Cff (Ch #1)
Cout1 (Ch #2) (optional)
Cout2 (Ch #2)
Cout1 (Ch #1)
Cout2 (Ch #1) (optional)
Cboot (Ch #2)
V5 decoupling
Cboot (Ch #1)
VDD decoupling
Cin (Ch #1)
V5 to VDD series pass
Comp res (series with C, Ch #2)
RLIM (Ch #2)
RLIM (Ch #1)
Comp res (series with C, Ch #1)
Rff (Ch #2)
Res divider, upper (Ch #2)
Res divider, lower (Ch #2)
Enable pullup
FPWM pullup
Freq Adjust
PGOOD pullup
Res divider, upper (Ch #1)
Res divider, lower (Ch #1)
Rff (Ch #1)
Inductor (Ch #1)
Inductor (Ch #2)
Bootstrap diode (Ch #2)
Bootstrap diode (Ch #1)
Upper FET (Ch #1)
Lower FET (Ch #1)
Upper FET (Ch #2)
Lower FET (Ch #2)
Controller
Dual SPDT switch (see Schematic)
10μF, 25V, X7R
15pF, 6.3V, X7R
680pF, 6.3V, X7R
680pF, 6.3V, X7R
15pF, 6.3V, X7R
680pF, 6.3V, X7R
0.1μF, 6.3V/25V, X7R
0.1μF, 6.3V/25V, X7R
680pF, 6.3V, X7R
330μF,10V, Ta
330μF,10V, Ta
330μF,10V, Ta
330μF,10V, Ta
0.1μF, 6.3V, X7R
0.1μF, 6.3V, X7R
0.1μF, 6.3V, X7R
0.1μF, 6.3V, X7R
10μF, 25V, X7R
10
, 5%
57.6k, 1%
2.94k, 1%
2.94k, 1%
57.6k, 1%
12.7k, 1%
43.2k, 1%
9.53k, 1%
12.7k, 1%
12.7k, 1%
22.1k, 1%
12.7k, 1%
43.2k, 1%
5.9k, 1%
12.7k, 1%
10μH,4.4A
10μH,4.4A
BAT54LT1
BAT54LT1
Si4828DY (half)
Si4828DY (half)
Si4828DY (half)
Si4828DY (half)
LM2647
CKN1276-ND
593 Series
593 Series
593 Series
593 Series
1206
1206
1206
1206
1812
1812
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
CDRH104R
CDRH104R
SOT-23
SOT-23
SO-8
SO-8
SO-8
SO-8
TSSOP
DIP
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2647MTC/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
LM2647MTCX 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
LM2647MTCX/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
LM2648 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator Controller
LM26480 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators
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