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参数资料
| 型号： | DS2152L |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PQFP100 |
| 封装： | LQFP-100 |
| 文件页数： | 13/14页 |
| 文件大小： | 1398K |
| 代理商： | DS2152L |
8
Maxim Integrated
Adjustable Overvoltage and Overcurrent
Protectors with High Accuracy
MAX14571/MAX14572/MAX14573
Pin Configuration
Pin Description
14
13
12
11
10
9
8
1
2
3
4
5
6
7
OUT
UVLO
IN
TOP VIEW
MAX14571
MAX14572
MAX14573
EN
RIEN
GND
SETI
OVLO
*EP
TSSOP
*CONNECT EXPOSED PAD TO GND
FLAG
HVEN
+
PIN
NAME
FUNCTION
1, 2, 3
IN
Overvoltage-Protection Input. Bypass IN to GND with a 1FF ceramic capacitor placed as close
as possible to the device. Use a 1FF, low-ESR ceramic capacitor to enable Q15kV (HBM) ESD
protection on IN. For hot-plug applications, see the Applications Information section.
4
UVLO
Externally Programmable Undervoltage-Lockout Threshold. Connect UVLO to GND to use the
default internal UVLO threshold. Connect UVLO to an external resistor-divider to define a threshold
externally and override the preset internal UVLO threshold.
5
OVLO
Externally Programmable Overvoltage-Lockout Threshold. Connect OVLO to GND to use the
default internal OVLO threshold. Connect OVLO to an external resistor-divider to define a threshold
externally and override the preset internal OVLO threshold.
6
SETI
Overload Current-Limit Adjust. Connect a resistor from SETI to GND to program the overcurrent
limit. If SETI is unconnected, the current limit is set to 0A. If SETI is connected to GND, the FETs
turn off and FLAG is asserted. Do not connect more than 10pF to SETI.
7
GND
Ground
8
HVEN
Active-Low Enable Input. HVEN is a high-voltage-capable enable input. Drive HVEN low for normal
operation. Drive HVEN high to disable the device. HVEN has up to 36V overvoltage protection at
the input (Table 1).
9
RIEN
Reverse-Current Enable Input. Connect RIEN to GND to disable the reverse-current flow
protection. Connect RIEN to logic-high to activate the reverse-current flow protection.
10
EN
Active-High Enable Input. Drive EN high for normal operation. Drive EN low to disable the device
(Table 1).
11
FLAG
Open-Drain, Fault Indicator Output. FLAG goes low when the fault duration exceeds the blanking
time, reverse current is detected, thermal-shutdown mode is active, OVLO threshold is reached, or
SETI is connected to GND.
12, 13, 14
OUT
Output Voltage. Output of internal FETs. Bypass OUT to GND with a 1FF ceramic capacitor placed
as close as possible to the device. For a long output cable or inductive lead, see the Applications
Information section.
—
EP
Exposed Pad. Internally connected to GND. Connect EP to a large ground plane to maximize
thermal performance. Do not use EP as the single GND connection.
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相关代理商/技术参数 |
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| DS2152L+ | 功能描述:网络控制器与处理器 IC Enhanced T1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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