參數(shù)資料
型號: LM1771USDX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation
中文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, DSO6
封裝: 3 X 3 MM, LLP-6
文件頁數(shù): 15/18頁
文件大?。?/td> 776K
代理商: LM1771USDX
Typical Application Circuit
20189043
Example Circuit Schematic
Bill of Materials (5V to 1.8V Conversion, f
SW
= 1090kHz, I
OUT
= 2A)
Designator
U
1
Q
1
Q
2
C
IN
C
OUT
R
FB1
R
FB2
C
FF
L
Description
Part Number
Quantity
1
1
1
1
1
1
1
1
1
Vendor
LM1771, 500ns
PMOS
NMOS
22μF Capacitor, 0805
100μF Capacitor, 6.3V, 100m
12.4k
Resistor, 0603
10k
Resistor, 0603
1nF Capacitor, 0603
3.3μH Inductor
LM1771S
Si3867DV
Si3460DV
GRM21BR60J226ME39
TPSY107M006R0100
CRCW06031242F
CRCW06031002F
VJ0603102KXXA
MSS7341-332NLB
National Semiconductor
Siliconix
Siliconix
Murata
AVX
Vishay
Vishay
Vishay
Coilcraft
Bill of Materials (5V to 3.3V Conversion, f
SW
= 500kHz, I
OUT
= 5A)
Designator
U
1
Q
1
Q
2
C
IN
C
OUT
R
FB1
R
FB2
C
FF
L
Description
Part Number
Quantity
1
1
1
1
1
1
1
1
1
Vendor
LM1771, 200ns
PMOS
NMOS
100μF Capacitor, 1812
150μF Capacitor, 6.3V, 70m
29.4k
Resistor, 0805
10k
Resistor, 0805
1nF Capacitor, 0805
2.2μH Inductor
LM1771U
Si9433BDY
Si4894DY
GRM43SR60J107ME20B
NOSD157M006R0070
CRCW08052942F
CRCW08051002F
VJ0805102KXXA
DO3316P-222
National Semiconductor
Siliconix
Siliconix
Murata
AVX
Vishay
Vishay
Vishay
Coilcraft
L
www.national.com
15
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