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参数资料
| 型号： | MAX1516 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | DC/DC变换器 |
| 英文描述： | TFT-LCD DC-DC Converters with Operational Amplifiers |
| 中文描述： | TFT-LCD DC-DC转换器，带有运算放大器 |
| 文件页数： | 18/26页 |
| 文件大小： | 919K |
| 代理商： | MAX1516 |
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
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1516ETJ | TFT-LCD DC-DC Converters with Operational Amplifiers |
| MAX1517 | TFT-LCD DC-DC Converters with Operational Amplifiers |
| MAX1517ETJ | TFT-LCD DC-DC Converters with Operational Amplifiers |
| MAX1518 | TFT-LCD DC-DC Converters with Operational Amplifiers |
| MAX1518ETJ | TFT-LCD DC-DC Converters with Operational Amplifiers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15166EWE+ | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY, 4A, STEP-DOWN DC-DC REGULATOR WITH INTERNAL - Rail/Tube |
| MAX15166EWE+T | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY, 4A, STEP-DOWN DC-DC REGULATOR WITH INTERNAL - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC REG BUCK SYNC ADJ 4A 16WLP |
| MAX1516AETJ+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1516ETJ | 功能描述:LCD 驱动器 RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX1516ETJ+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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