Datasheet > SGM48211

SGM48211

更新时间： 2024-04-09 18:59:46

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
19页	737K
描述
120V Boot, 4A Peak, High Frequency High-side and Low-side Driver

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SGM48211 数据手册

SGM48211

120V Boot, 4A Peak, High Frequency

High-side and Low-side Driver

GENERAL DESCRIPTION

FEATURES

The SGM48211 is a half-bridge MOSFET driver with

4A peak source and sink output current capability,

which makes it possible to drive large power MOSFETs

with minimized switching losses. The two channels of

high-side and low-side are totally independent with 3ns

(TYP) delay matching between the turn-on and turn-off

of each other.

● Wide Operating Range: 8V to 17V

● Drive Two N-MOSFETs Configured in Half Bridge

● Maximum Blocking Voltage: 120V DC

● Integrated Internal Bootstrap Diode for Cost

Saving

● 4A Peak Sink and Source Currents

● -10V to 20V Tolerance of Input Pins

● COMS/TTL Compatible Inputs

The maximum withstanding voltage of the input stage

of SMG48211 is 20V. Due to the -10V_DCvoltage

endurance capacity of its input stage, the driver has

enhanced robustness and can be interfaced to pulse

transformers directly without using rectifier diodes. With

a wide input hysteresis, the device can receive analog

or digital PWM signals with improved noise immunity.

● 6.5ns (TYP) Rise Time and 4.7ns (TYP) Fall Time

with 1000pF Load

● Propagation Delay Time: 31ns (TYP)

● Delay Matching: 3ns (TYP)

● UVLO Functions for Both High-side and Low-side

Drivers

● -40℃ to +140℃ Operating Temperature Range

● Available in Green SOIC-8, SOIC-8 (Exposed Pad)

and TDFN-4×4-8AL Packages

A 120V rated bootstrap diode is integrated internally to

save the external diode and reduce PCB dimension

size.

APPLICATIONS

Under-voltage lockout (UVLO) is integrated in both the

high-side and the low-side drivers. The output of each

channel is forced low if the corresponding driving

voltage falls below the specified threshold.

Power Converters in 48V or Lower Systems Used in

Telecom, Datacom, Portable Storage, etc.

Half-Bridge, Full-Bridge, Push-Pull, Synchronous-Buck

and Forward Converters

The SGM48211 is available in Green SOIC-8, SOIC-8

(Exposed Pad) and TDFN-4×4-8AL packages.

Synchronous Rectifiers

Class-D Audio Amplifiers

SG Micro Corp

DECEMBER 2023 – REV. A

www.sg-micro.com

12 3 4 5 6 7...19

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