參數(shù)資料
型號(hào)： MC34271
廠商： ON SEMICONDUCTOR
英文描述： Liquid Crystal Display and Backlight Integrated Controller
中文描述： 液晶顯示器和背光集成控制器
文件頁(yè)數(shù)： 5/12頁(yè)
文件大小： 343K
代理商： MC34271
MC34271
http://onsemi.com
5
0
0
2.0
2.5
0
0.16
0
0
Vs
ISource, SWITCH OUTPUT CURRENT (mA)
Figure 6. ELD and DRV1 Switch Output Source
and Sink Saturation versus Current
Q
VDD, SUPPLY VOLTAGE (V)
F
ID, DRAIN CURRENT (mA)
O
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
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
S
T
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)
Figure 8. Oscillator Frequency Variation
versus Temperature
0
8.0
0
0.30
O
V
Figure 7. Vref and VA Variation
versus Temperature
TA, AMBIENT TEMPERATURE (
°
C)
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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