LB11946(2004) Ver la hoja de datos (PDF) - SANYO -> Panasonic
Número de pieza
componentes Descripción
Fabricante
LB11946 Datasheet PDF : 12 Pages
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LB11946
Current Settings Truth Table
Current Settings Truth Table * Items in parentheses are defined by the serial data.
IA4 IA3 IA2 IA1
(D0) (D1) (D2) (D3)
Set current Iout
1
1
1
1 11.5/11.5 × VREF/3.04RE = Iout
1
1
1
0 11.0/11.5 × VREF/3.04RE = Iout
1
1
0
1 10.5/11.5 × VREF/3.04RE = Iout
1
1
0
0 10.0/11.5 × VREF/3.04RE = Iout
1
0
1
1 9.5/11.5 × VREF/3.04RE = Iout
1
0
1
0 9.0/11.5 × VREF/3.04RE = Iout
1
0
0
1 8.5/11.5 × VREF/3.04RE = Iout
1
0
0
0 8.0/11.5 × VREF/3.04RE = Iout
0
1
1
1 7.0/11.5 × VREF/3.04RE = Iout
0
1
1
0 6.0/11.5 × VREF/3.04RE = Iout
0
1
0
1 5.0/11.5 × VREF/3.04RE = Iout
0
1
0
0 4.0/11.5 × VREF/3.04RE = Iout
0
0
1
1 3.0/11.5 × VREF/3.04RE = Iout
0
0
1
0 2.0/11.5 × Vref/3.04RE = Iout
Note ∗: The current ratios shown are calculated values.
Current ratio (%)
100
95.65
91.30
86.95
82.61
78.26
73.91
69.56
60.87
52.17
43.48
34.78
26.08
17.39
Sample Application Circuit at VCC = 5 V
10 µF
5V
MD voltage
setting
(1.6 to 3.9 V)
Fast mode:
ground
Slow mode:
VCC
28
30 kΩ
27 26 25
680 pF
Logic level inputs
30 kΩ
1.5 V
0.1
µF
680 pF
24 23 22 21 20 19 18 17 16 15
LB11946
1
2
34
5
6
7
8
9 10 11 12 13 14
M
0.51 Ω
0.51 Ω 42 V 47 µF
No.7946-9/12
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