參數(shù)資料
型號(hào): MC34270FB
廠商: MOTOROLA INC
元件分類: 穩(wěn)壓器
英文描述: Single Output LDO, 250mA, Fixed(3.0V), Low Noise, Fast Transient Response 5-SOT-23 -40 to 85
中文描述: 0.5 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQFP32
封裝: PLASTIC, QFP-32
文件頁數(shù): 7/12頁
文件大?。?/td> 364K
代理商: MC34270FB
MC34270 MC34271
7
MOTOROLA ANALOG IC DEVICE DATA
Figure 11. Representative Block Diagram Electroluminescent Backlight Configuration
En
R
S
Q
VDD
D1
S1
DS1
SW1
VDD
Sync
Drv1
EN1
ELD
Mode
R
S
Q
RT
SS1
Vref
1.25 V
Ref1
FB1
Circuit #1 Bias Supply
VDD
Comp1
En
OSC
D2
S2
VB
V0
V1
V2
V3
V4
Circuit #2
Bias Supply
Ref2
FB2
Comp2
SS2
DS2
EN2
VA
Gnd
BIAS
VB
6.0 V to 30 V
V2
V3
V4
VDD2
VDD2
VDD2
169 k
16
15
14
13
12
19
18
17
10
11
9
6
7
32
1
26
8
31
30
27
2
3
4
5
23
22
21
20
24
25
28
29
EL
Panel
Brightness
“On/Off”
LCD
Display
DAC
÷
2
÷
N
V1
V0
VB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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