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參數(shù)資料
| 型號： | MAX1517ETJ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | TFT-LCD DC-DC Converters with Operational Amplifiers |
| 中文描述： | 1.6 A SWITCHING REGULATOR, 1380 kHz SWITCHING FREQ-MAX, PQCC32 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHD2, TQFN-32 |
| 文件頁數(shù)： | 18/26頁 |
| 文件大小： | 919K |
| 代理商： | MAX1517ETJ |
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M
TFT-LCD DC-DC Converters with
Operational Amplifiers
18
______________________________________________________________________________________
Fault Protection
During steady-state operation, if the output of the main
regulator or any of the linear-regulator outputs does not
exceed its respective fault-detection threshold, the
MAX1516/MAX1517/MAX1518 activate an internal fault
timer. If any condition or combination of conditions indi-
cates a continuous fault for the fault-timer duration
(55ms typ), the MAX1516/MAX1517/MAX1518 set the
fault latch to shut down all the outputs except the refer-
ence. Once the fault condition is removed, cycle the
input voltage (below the UVLO falling threshold) to
clear the fault latch and reactivate the device. The fault-
detection circuit is disabled during the soft-start time.
Thermal-Overload Protection
Thermal-overload protection prevents excessive power
dissipation from overheating the MAX1516/MAX1517/
MAX1518. When the junction temperature exceeds T
J
=
+160
°
C, a thermal sensor immediately activates the
fault protection, which shuts down all outputs except
the reference, allowing the device to cool down. Once
the device cools down by approximately 15
°
C, cycle
the input voltage (below the UVLO falling threshold) to
clear the fault latch and reactivate the device.
The thermal-overload protection protects the controller
in the event of fault conditions. For continuous opera-
tion, do not exceed the absolute maximum junction
temperature rating of T
J
= +150
°
C.
MAX1516
MAX1517
MAX1518
FB OK
FBP OK
FBN OK
2.5V
5
μ
A
REF
DRN
COM
SRC
Q1
Q2
Q3
1k
CTL
DEL
IN
Figure 7. Switch-Control Block
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1517ETJ+ | 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 |
| MAX1517ETJ+G104 | 功能描述:LCD 驅(qū)動器 TFT-LCD DC-DC Converters with Operational Amplifiers 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 |
| MAX1517ETJ+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 |
| MAX1517ETJ+TG104 | 功能描述:LCD 驅(qū)動器 TFT-LCD DC-DC Converters with Operational Amplifiers 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 |
| MAX1517ETJ-T | 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 |
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