L5970D013TR(2003) データシートの表示（PDF） - STMicroelectronics
部品番号
コンポーネント説明
メーカー
L5970D013TR Datasheet PDF : 10 Pages
| |||
L5970D
Figure 10. Demoboard schematic
VREF
3.3V
6
1
VIN = 4.4V to 25V
VCC
8 L5970D
SYNC. 2
C1
10µF
25V
CERAMIC
COMP
C4
22nF
4
3
INH.
C3
220pF
R3
4.7K
5
7
GND
OUT L1 33µH
VOUT=3.3V
D1
STPS2L25U R1
FB
5.6K
C2
100µF
10V
R2
3.3K
D03IN1437
Part list demoboard
Reference
C1
C2
C3
C4
R1
R2
R3
D1
L1
Part Number
POSCAP 10TPB100M
C1206C221J5GAC
C1206C223K5RAC
STPS2L25U
DO3316P-333
Figure 11. Efficiency vs. Output Current
Description
10µF, 25V
100µF, 10V
220pF, 5%, 50V
22nF, 10%, 50V
5.6K, 1%, 0.1W 0603
3.3K, 1%, 0.1W 0603
4.7K, 1%, 0.1W 0603
2A, 25V
33µH, 2A
Manufacturer
TOKIN
Sanyo
KEMET
KEMET
Neohm
Neohm
Neohm
STMicroelectronics
COILCRAFT
Figure 12. Efficiency vs. Output Current
94
92
90
Vo=3.3V
88
86
84
Vo=2.5V
82
80
78
Vo=1.8V
76
74
Vcc=5V
72
70
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Io (A)
92
90
Vo=5V
88
86
Vo=3.3V
84
82
80
78
Vo=2.5V
76
74
Vcc=12V
72
70
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Io (A)
6/10
Share Link: 