Datasheet > SGM48542

SGM48542

更新时间： 2024-03-03 10:09:36

品牌	Logo	应用领域
圣邦微 - SGMICRO		栅
页数	文件大小	规格书
9页	556K
描述
Single High-Speed, Low-Side Gate Driver with Negative Input Voltage Capability

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SGM48542 数据手册

SGM48541/SGM48542

SGM48543/SGM48544/SGM48545

Single High-Speed, Low-Side Gate

Drivers with Negative Input Voltage Capability

GENERAL DESCRIPTION

FEATURES

The SGM48541/2/3/4/5 are single high-speed low-side

gate drivers for Power MOSFET switches. These

devices can provide rail-to-rail driving capability and

very small propagation delays (17.5ns, TYP). They also

provide 4A peak source current and 8A peak sink

current (asymmetrical drive) when V_DD= 12V. The input

can withstand a maximum negative voltage of -10V.

● Asymmetrical Drive

 4A Peak Source Current

 8A Peak Sink Current

● TTL and CMOS Compatible Logic Threshold

● Logic Levels Independent of Supply Voltage

● Hysteretic Input Logic for High Noise Immunity

● Outputs are Logic Low when Inputs are Floating

● Negative Voltage Handling Capability:

 -10V DC at Inputs

The operating voltage range is 4.5V to 25V. The

devices feature under-voltage lockout (UVLO) function.

After UVLO is triggered, the output remains low.

 -2V, 200ns Pulse for Outputs

● Glitch-Free Operation at Power-Up and Power-

Down: Outputs are Pulled Low during Supply UVLO

● Fast Propagation Delays: 17.5ns (TYP)

● Fast Rise Time: 7ns (TYP)

The SGM48541 adopts separate output architecture.

The separate output structure with asymmetric drive

improves the immunity of the device to the parasitic

Miller conduction effect and reduces ground bounce.

● Fast Fall Time: 6.5ns (TYP)

● SGM48541 Separate Output Options Allow for

Tuning of Turn-on and Turn-off Currents

● SGM48541/4 Dual Input Design (Choice of an

Inverting (IN-) or Non-Inverting (IN+) Driver

Configuration)

The SGM48541/4 adopt a dual-input design. IN+ or IN-

can independently control the output of the driver. The

unused pin can be functioned as an enable control pin.

In order to ensure that the output remains low when an

input pin is floating, these input pins have internal

pull-up and pull-down resistors.

 Unused Input Pin can be Used for Enable or

Disable Function

The input thresholds of these devices are compatible

with low voltage TTL and CMOS logic, which will not be

affected by V_DDchanges. A Schmitt trigger is used at

the input, and a wide range of hysteresis voltage is

designed to enhance the immunity.

● Input Pin Absolute Maximum Voltage Levels Not

Restricted by VDD Pin Bias Supply Voltage

● -40℃ to +140℃ Operating Temperature Range

● Small Packaging:

SGM48541 Available in Green SOT-23-6 and

TDFN-3×3-6AL Packages

The SGM48541 is available in Green SOT-23-6 and

TDFN-3×3-6AL packages. The SGM48542/3/4/5 are all

available in a Green SOT-23-5 package.

SGM48542/3/4/5 Available in a Green SOT-23-5

Package

APPLICATIONS

Power MOSFETs Driving for Power Supplies

DC/DC Converters

Solar Power, Motor Drivers

SG Micro Corp

AUGUST 2023 – REV. A

www.sg-micro.com

12 3 4 5 6 7...9

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与SGM48542相关器件

型号	品牌	获取价格	描述	数据表
SGM48543	SGMICRO	获取价格	Single High-Speed, Low-Side Gate Driver with Negative Input Voltage Capability
SGM48545	SGMICRO	获取价格	Single High-Speed, Low-Side Gate Driver with Negative Input Voltage Capability
SGM4863	SGMICRO	获取价格	Dual 2.1W Audio Power Amplifier Plus Stereo Headphone Function
SGM4865	SGMICRO	获取价格	2.6W Stereo Audio Power Amplifier
SGM4871	SGMICRO	获取价格	2.4W Audio Power Amplifier with Shutdown Mode
SGM48751	SGMICRO	获取价格	8:1 CMOS Analog Signal Multiplexer
SGM48752	SGMICRO	获取价格	CMOS Analog Multiplexer
SGM48753	SGMICRO	获取价格	模拟开关/三路复用器
SGM48754	SGMICRO	获取价格	Quad SPST CMOS Analog Switch
SGM48754X	SGMICRO	获取价格	Quad SPST CMOS Analog Switch

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