Datasheet > MAX14919A

MAX14919A

更新时间： 2024-09-25 14:57:55

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
19页	554K
描述
工业保护型四通道低边开关

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中文翻译

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数据手册

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MAX14919A 数据手册

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Industrial-Protected, Quad-Channel,

Low-Side Switch

MAX14919/MAX14919A

General Description

Benefits and Features

The MAX14919/MAX14919A industrial-protected quad-

● 5V or 7V to 60V Supply Voltage

channel low-side switch features 140mΩ (typ) on-resis-

● 800mA Load Current per OUT

tance (R ) per channel with integrated ±1kV/42Ω surge

protection for robust operation.

● Integrated 5V/30mA Linear Regulator

● Logic Supply Input from 1.62V(min) to 5.5V(max)

● 5V to 48V Load Voltage Range

Resistor-settable accurate current limiting provides guar-

anteed operating currents in the range of 100mA to

800mA. Loads that draw large activation or inrush currents

are supported using the 2x inrush load-current option. The

outputs can be connected in parallel to achieve higher

load currents. The four switches are pin-controlled to allow

for simple and fast switching of up to 500kHz.

● Up to 500kHz Switching Rates

● 2x Inrush Load Current Option for 10ms

● Reduces Power and Heat Dissipation

• 140mΩ (typ) On-Resistance per channel

• 1.7mA (typ) Supply Current

• Settable Load Current Limit

● Robust Design Features

The MAX14919/MAX14919A feature reverse current de-

tection. The MAX14919 implements reverse-current pro-

tection by driving an external FET for non-capacitive

loads. The MAX14919A has reverse current indication.

• Internal inductive Energy Clamp at 55V(typ)

• Short-Circuit Protection

• Reverse Current Detection against Load-Supply

Miswiring

• ±1kV/42Ω, 8µs/20µs Surge Protection

• ±8kV Contact and ±25kV Airgap ESD Protection

• -40°C to +125°C Operating Ambient Temperature

Inductive loads are turned off rapidly using the internal

high-voltage clamps. The switches are short-circuit and

overload protected.

The MAX14919/MAX14919A quad low-side switch is

available in a 6.5mm x 6.4mm footprint 20-TSSOP pack-

age and a 4mm x 5mm footprint 20-TQFN package spec-

ified over the -40ºC to +125ºC operating temperature

range.

● FAULT Indication for:

• Thermal Overload

• Reverse Load Current Detection

• Undervoltage Lockout on V Supply

● Compact 20-pin, 6.5mm x 6.4mm TSSOP Package

● Compact 20-pin, 4mm x 5mm TQFN Package

Applications

● Industrial Digital Outputs

● Relay and Solenoid Drivers

● PLC and DCS Systems

● Motor Control

19-100963; Rev 5; 3/23

Ordering Information appears at end of data sheet.

12 3 4 5 6 7...19

中文翻译

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与MAX14919A相关器件

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MAX1491CAI	MAXIM	获取价格	3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1491CAI+T	MAXIM	获取价格	ADC, Delta-Sigma, 1 Func, 1 Channel, BICMOS, PDSO28, 5.30 MM, MO-150, SSOP-28
MAX1491CAI-T	MAXIM	获取价格	ADC, Delta-Sigma, 1 Func, 1 Channel, BICMOS, PDSO28, 5.30 MM, MO-150, SSOP-28
MAX1491CNI	MAXIM	获取价格	3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1492	MAXIM	获取价格	3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers
MAX1492\|MAX1494	MAXIM	获取价格	3.5- and 4.5-Digit. Single-Chip ADCs with LCD Drivers
MAX14920	MAXIM	获取价格	High-Accuracy 12-/16-Cell Measurement AFEs
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MAX14920ECB+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PQFP64, 10 X 10 MM, ROHS COMPLIANT, TQFP-64
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