datasheetbank_Logo
전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

LM2931 데이터 시트보기 (PDF) - ON Semiconductor

부품명
상세내역
일치하는 목록
LM2931 Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LM2931, NCV2931 Series
100
Vin = 5.6 V
Vout = 5.0 V
IO = 100 mA
10 Vnrms 10 Hz to 10 MHz
|ZO| @ 40 kHz
TA = 25°C
1.0
Unstable
Marginally
Stable
0.1
Stable
0.01
10
100
1.0 k
10 k
|ZO|, MAGNITUDE OF CAPACITOR IMPEDANCE (mW)
Figure 22. Output Noise Voltage vs.
Output Capacitor Impedance
0.60
10 mF
0.50 22 mF
47 mF
0.40 100 mF
Unstable
0.30
0.20
0.10
0.00
0
Stable
Note - Optimum stability uses a 22 mF
output capacitor. Output capacitor values
below 10 mF are not recommended.
10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
Figure 23. Output Capacitor ESR Stability vs.
Output Load Current
170
3.2
150
PD(max) for TA = 50°C
2.8
130
2.4
110
90
70
Graph represents symmetrical layout 2.0
ÎÎÎÎÎÎÎ L
2.0 oz.
Copper
1.6
ÎÎÎÎÎÎÎ1.2
L
3.0 mm
50
0.8
RqJA
30
0.4
0
10
20
30
40
50
L, LENGTH OF COPPER (mm)
Figure 24. SOP8 Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
100
Free Air
90
Mounted
Vertically
80
Minimum
70
Size Pad
60
2.4
PD(max) for TA = 50°C
2.0
2.0 oz. Copper
L
1.6
ÎÎÎÎÎÎÎÎ L
1.2
ÎÎÎÎÎÎÎÎ0.8
50
0.4
RqJA
40
0
0
5.0
10
15
20
25
30
L, LENGTH OF COPPER (mm)
Figure 25. DPAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
http://onsemi.com
10

Share Link: 

datasheetbank.com [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]