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Número de pieza
componentes Descripción
LM2935 Ver la hoja de datos (PDF) - Motorola => Freescale
Número de pieza
componentes Descripción
Fabricante
LM2935
LOW DROPOUT DUAL VOLTAGE REGULATOR
Motorola => Freescale
LM2935 Datasheet PDF : 8 Pages
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LM2935
TYPICAL CIRCUIT WAVEFORMS
Vin, Input Voltage
(Pin 1)
Open
S1, “On”/“Off” Switch
VO, Main Output Voltage
(Pin 2)
60 V
14 V
5.0 V
Reset (Pin 4)
Vstby, Standby Voltage
(Pin 5)
Main
Output
Turn “On”
14 V
5.0 V
5.0 V
5.0 V
Load
Dump
26 V
14 V
3.0 V
9.0 V
Closed
5.0 V
5.0 V
5.0 V
2.4 V
0V
Open
0V
2.4 V
Low Input
Voltage
Input
Voltage
Line Noise
5.0 V
Main
Output
Short
Circuit
Thermal
Shutdown
Main
Output
Turn “Off”
Figure 1. D2PAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
80
3.5
70
60
50
40
Free Air
Mounted
Vertically
PD(max) for TA = 50
°
C
3.0
ÎÎÎÎÎÎÎÎÎÎÎÎ
Minimum
ÎÎÎÎÎÎÎÎÎÎÎÎ
Size Pad
2.0 oz. Copper
2.5
L
2.0
L
1.5
R
θ
JA
30
1.0
0
5.0
10
15
20
25
30
L, LENGTH OF COPPER (mm)
4
MOTOROLA ANALOG IC DEVICE DATA
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