參數(shù)資料
型號(hào): LM2734
廠商: National Semiconductor Corporation
英文描述: Thin SOT23 1A Load Step-Down DC-DC Regulator
中文描述: 薄型SOT23 1A負(fù)載降壓DC - DC穩(wěn)壓
文件頁(yè)數(shù): 18/22頁(yè)
文件大?。?/td> 459K
代理商: LM2734
LM2734Y Circuit Examples
(Continued)
Bill of Materials for
Figure 12
Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
L1
R1
R2
R3
Part Value
1A Buck Regulator
10μF, 25V, X7R
22μF, 6.3V, X5R
0.01μF, 16V, X7R
0.34V
F
Schottky 1A, 30VR
0.6V
F
@
30mA Diode
10μH, 1.6A,
31.6k
, 1%
10.0 k
, 1%
100k
, 1%
Part Number
LM2734Y
C3225X7R1E106M
C3216X5ROJ226M
C1005X7R1C103K
SS1P3L
BAT17
SLF7032T-100M1R4
CRCW06033162F
CRCW06031002F
CRCW06031003F
Manufacturer
National Semiconductor
TDK
TDK
TDK
Vishay
Vishay
TDK
Vishay
Vishay
Vishay
20102343
FIGURE 12. LM2734Y (550kHz)
V
BOOST
Derived from V
OUT
12V to 3.3V/1A
L
www.national.com
18
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