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MC34271 Folha de dados(PDF) 5 Page - ON Semiconductor

Nome de Peças MC34271
Descrição Electrónicos  Liquid Crystal Display and Backlight Integrated Controller
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Fabricante Electrônico  ONSEMI [ON Semiconductor]
Página de início  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC34271 Folha de dados(HTML) 5 Page - ON Semiconductor

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MC34271
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5
0
0
2.0
2.5
0
0.16
0
0
ISource, SWITCH OUTPUT CURRENT (mA)
VDD, SUPPLY VOLTAGE (V)
ID, DRAIN CURRENT (mA)
I, CURRENT DRAW (mA)
Figure 3. Reference Voltage Change versus
Reference Current
Figure 4. Quiescent Current versus Supply Voltage
Figure 5. FET Drain Voltage versus Sink Current
Figure 6. ELD and DRV1 Switch Output Source
and Sink Saturation versus Current
VDD = 6.0 V
TA = 25°C
VDD = 6.0 V
TA = 25°C
VDD
Source Saturation
Vref
VA
EN1 and EN2 = 1
EN1 = 1 and EN2 = 0
RT = 169 k
No Loading
TA = 25°C
Standby Current
EN1 and EN2 = 0
Sink Saturation
1.5
2.0
1.0
0.5
0
– 5.0
–10
–15
–20
–25
–30
0.12
0.08
0.04
–1.0
– 2.0
– 3.0
30
60
15
45
50
150
100
200
1.0
2.0
3.0
4.0
5.0
4.0
6.0
8.0
10
12
16
18
2.0
2.2
1.4
1.8
1.0
0.6
0.2
1.5
1.0
0.5
14
0
– 4.0
0
VDD = 6.0 V
TA = 25°C
TA, AMBIENT TEMPERATURE (°C)
0
8.0
0
0.30
Figure 7. Vref and VA Variation
versus Temperature
TA, AMBIENT TEMPERATURE (°C)
Figure 8. Oscillator Frequency Variation
versus Temperature
0.25
0.20
0.15
0.10
0.05
0
– 0.05
– 0.10
6.0
4.0
2.0
0
– 2.0
– 4.0
– 6.0
– 8.0
10
20
30
40
50
60
70
10
20
30
40
50
60
70
VDD = 6.0 V
RT = 169 k
VDD = 6.0 V
Vref
VA


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