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參數(shù)資料
| 型號： | MAX8570 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Efficiency LCD Boost with True Shutdown |
| 中文描述： | 高效LCD boost電路，可真正關(guān)斷 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 654K |
| 代理商： | MAX8570 |
M
High-Efficiency LCD Boost
with True Shutdown
6
_______________________________________________________________________________________
MAX8570–
MAX8575
EA
ILIM
THERMAL
SHUTDOWN
OUT
FB
(MAX8570/MAX8571/
MAX8574 ONLY)
GND
(MAX8572/MAX8573/
MAX8575 ONLY)
LX
SW
V
CC
1.226V
CONTROL
LOGIC
SHDN
Figure 1. Functional Diagram
MAX8570
MAX8571
MAX8574
SW
V
CC
LX
FB
GND
ON
OFF
V
CC
= 2.7V TO 5.5V
V
OUT
= V
BATT
TO 28V
R1
R2
C3
4.7
μ
F
L1
22
μ
H
C1
1
μ
F
SHDN
C2
1
μ
F
C4
10pF
V
BATT
= 0.8V TO 28V
D1
Figure 4. Using a Separate Input Supply for the Inductor
MAX8570
MAX8571
MAX8574
SW
V
CC
LX
FB
GND
ON
OFF
V
CC
= 2.7V TO 5.5V
+V
OUT
-V
OUT
R1
C3
4.7
μ
F
L1
22
μ
H
C1
1
μ
F
SHDN
C2
1
μ
F
C5
1
μ
F
C4
10pF
C6
0.1
μ
F
D1
D3
D2
R2
Figure 5. Negative Output Voltage for LCD Bias
MAX8570
MAX8571
MAX8574
SW
V
CC
LX
FB
GND
ON
OFF
V
CC
= 2.7V TO 5.5V
V
OUT
= V
CC
TO 28V
R1
R2
C3
4.7
μ
F
L1
22
μ
H
C1
1
μ
F
SHDN
C2
1
μ
F
C4
10pF
D1
Figure 2. Typical Application Circuit with Adjustable Output
Voltage
MAX8572
MAX8573
MAX8575
SW
V
CC
LX
OUT
GND
ON
OFF
V
CC
= 2.7V TO 5.5V
V
OUT
= 15V
C3
4.7
μ
F
L1
22
μ
H
C1
1
μ
F
SHDN
C2
1
μ
F
D1
Figure 3. Typical Application Circuit with 15V Preset Output
Voltage
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX8570-MAX8575 | High-Efficiency LCD Boost with True Shutdown |
| MAX8570EUT | High-Efficiency LCD Boost with True Shutdown |
| MAX8570EUT-T | High-Efficiency LCD Boost with True Shutdown |
| MAX8571 | High-Efficiency LCD Boost with True Shutdown |
| MAX8571EUT | High-Efficiency LCD Boost with True Shutdown |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8570ELT+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX8570ELT+T | 功能描述:LCD 驅(qū)動器 High-Efficiency LCD Boost RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX8570ELT+TG47 | 功能描述:LCD 驅(qū)動器 High-Efficiency LCD Boost with True Shutdown RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX8570EUT | 制造商:Maxim Integrated Products 功能描述:HI-EFFICIENCY 15V LCD STEP-UP DC-DC - Rail/Tube |
| MAX8570EUT+ | 制造商:Maxim Integrated Products 功能描述:LCD DRVR 2.7V TO 5.5V 6PIN SOT-23 - Rail/Tube |
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