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參數(shù)資料
| 型號： | MAX1518B |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | TFT-LCD DC-DC Converter with Operational Amplifiers |
| 中文描述： | TFT-LCD DC-DC轉(zhuǎn)換器，帶有運算放大器 |
| 文件頁數(shù)： | 10/25頁 |
| 文件大?。?/td> | 1308K |
| 代理商： | MAX1518B |
M
TFT-LCD DC-DC Converter with
Operational Amplifiers
10
______________________________________________________________________________________
Pin Description (continued)
PIN
17
18
19
20
NAME
OUT4
POS5
NEG5
OUT5
FUNCTION
Operational-Amplifier 4 Output
Operational-Amplifier 5 Noninverting Input
Operational-Amplifier 5 Inverting Input
Operational-Amplifier 5 Output
21
LX
n-Channel Power MOSFET Drain and Switching Node. Connect the inductor and Schottky diode to LX
and minimize the trace area for lowest EMI.
22
IN
Supply Voltage Input. IN can range from 2.6V to 6.5V.
23
FB
Step-Up Regulator Feedback Input. Regulates to 1.236V (nominal). Connect a resistive voltage-divider
from the output (V
MAIN
) to FB to analog ground (AGND). Place the divider within 5mm of FB.
24
COMP
Step-Up Regulator Error-Amplifier Compensation Point. Connect a series RC from COMP to AGND.
See the
Loop Compensation
section for component selection guidelines.
25
FBP
Gate-On Linear-Regulator Feedback Input. FBP regulates to 1.25V (nominal). Connect FBP to the
center of a resistive voltage-divider between the regulator output and AGND to set the gate-on linear-
regulator output voltage. Place the resistive voltage-divider close to the pin.
26
DRVP
Gate-On Linear-Regulator Base Drive. Open drain of an internal n-channel MOSFET. Connect DRVP to
the base of an external pnp pass transistor. See the
Pass-Transistor Selection
section.
27
FBN
Gate-Off Linear-Regulator Feedback Input. FBN regulates to 250mV (nominal). Connect FBN to the
center of a resistive voltage-divider between the regulator output and REF to set the gate-off linear-
regulator output voltage. Place the resistive voltage-divider close to the pin.
28
DRVN
Gate-Off Linear-Regulator Base Drive. Open drain of an internal p-channel MOSFET. Connect DRVN to
the base of an external npn pass transistor. See the
Pass-Transistor Selection
section.
29
DEL
High-Voltage Switch Delay Input. Connect a capacitor from DEL to AGND to set the high-voltage
switch startup delay.
30
CTL
High-Voltage Switch Control Input. When CTL is high, the high-voltage switch between COM and SRC
is on and the high-voltage switch between COM and DRN is off. When CTL is low, the high-voltage
switch between COM and SRC is off and the high-voltage switch between COM and DRN is on. CTL is
inhibited by the undervoltage lockout and when the voltage on DEL is less than 1.25V.
31
DRN
Switch Input. Drain of the internal high-voltage back-to-back p-channel MOSFETs connected to COM.
32
COM
Internal High-Voltage MOSFET Switch Common Terminal. Do not allow the voltage on COM to exceed
V
SRC
.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX1518BETJ+ | 功能描述:LCD 驅(qū)動器 TFT-LCD DC-DC Conv w/Op Amps 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 |
| MAX1518BETJ+T | 功能描述:LCD 驅(qū)動器 TFT-LCD DC-DC Conv w/Op Amps 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 |
| MAX1518ETJ | 功能描述:LCD 驅(qū)動器 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 |
| MAX1518ETJ+ | 功能描述:LCD 驅(qū)動器 TFT-LCD DC-DC Conv w/Op Amps 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 |
| MAX1518ETJ+T | 功能描述:LCD 驅(qū)動器 TFT-LCD DC-DC Conv w/Op Amps 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 |
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