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參數資料
| 型號： | MC34270FB |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩壓器 |
| 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： | 10/12頁 |
| 文件大小： | 364K |
| 代理商： | MC34270FB |
MC34270 MC34271
10
MOTOROLA ANALOG IC DEVICE DATA
Figure 14. EL PANEL Drive Circuit
R
S
Q
Vin 6.0 V
D1
S1
SW1
Sync
Drv1
EN1
ELD
Mode
R
S
Q
RT
SS1
Vref
1.25 V
Ref1
FB1
Comp1
Circuit #1 Bias Supply
VDD
En
OSC
D2
S2
VB
V0
V1
V2
V3
V4
VDD
Circuit #2
Bias Supply
Ref2
FB2
Comp2
SS2
DS2
EN2
VA
Gnd
BIAS
VB
V2
V3
V4
VDD2
VDD2
VDD2
160 k
16
15
14
13
12
19
18
17
10
11
9
6
7
32
26
8
31
30
27
2
3
4
5
23
22
21
20
24
25
28
29
LCD
Display
÷
2
÷
N
V1
V0
Vref
DS1
1
MC34270 or MC34271
DAC
VB
EL
PANEL
2.2 M
8.25 k
9.1 k
μ
F
4.3 M 15 pF
0.1
μ
F
8.2 k
1.0 k
400 Hz
0.1
μ
F
10
2.2 k
MTP3055EL
MR856
10
μ
F
4T
#36
4T
#36
6
5
3
4
MR856
8
7
0.22
μ
F
200 V
120T
#36
2
1
15 k
1.0 k
NOTES:
:1.Transformer information TDK Core # PC40EEM12.7/13.7–Z
Bobbin # BEPC–10–118G 2 mil gap. LP = 1.6
μ
hy.
2.EL PANEL: DUREL
3/SL ORANGE
+
MPSA44
120T
#36
10 k
1.0 k
22 k
MMBT2907
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| MC3430P | 制造商:Motorola Inc 功能描述: |
| MC34311 | 制造商:SPC Multicomp 功能描述:HEADER R/ANGLE 2WAY 制造商:SPC Multicomp 功能描述:HEADER, R/ANGLE, 2WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONNECTOR, RCPT, 2POS, 4.2MM; Series:2261(5561); Pitch Spacing:4.2mm; Contact Termination:Through Hole Right Angle; No. of Contacts:2; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy;RoHS Compliant: Yes |
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