Datasheet > G5193

G5193

更新时间： 2024-11-08 01:21:51

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描述
G5193 Global Mixed-mode Technology

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G5193 数据手册

G5193

Global Mixed-mode Technology

High Efficiency, 3A Output, Synchronous Step Down

Features

General Description

The G5193 device is a full featured 5.5V, 3A synchro-

nous step down current mode converter with two inte-

grated MOSFETs.

Two 45mΩ (typical) MOSFETs for high effi-

ciency at 3A loads

300kHz to 2MHz Switching Frequency

0.827V±1% Voltage Reference Over Tempera-

ture

The G5193 enables small designs by integrating the

MOSFETs, implementing current mode control to re-

duce external component count, reducing inductor size

by enabling up to 2MHz switching frequency, and

minimizing the IC footprint with a small 3mm x 3mm

thermally enhanced QFN package.

Synchronizes to External Clock

Adjustable Soft Start

UV and OV Power Good Output

Low Operating and Shutdown Quiescent Cur-

rent

Safe Start-up into Pre-Biased Output

Cycle by Cycle Current Limit, Thermal and

Frequency Fold Back Protection

Thermally Enhanced 3mm × 3mm 16-pin QFN

The G5193 provides accurate regulation for a variety

of loads with an accurate ±1% Voltage Reference

(VREF) over temperature.

Efficiency is maximized through the integrated 45mΩ

MOSFETs and 350µA typical supply current. Using the

enable pin, shutdown supply current is reduced to 2µA

by entering a shutdown mode.

Applications

Low-Voltage, High-Density Power Systems

Point of Load Regulation for High Performance

DSPs, FPGAs, ASICs and Microprocessors

Broadband, Networking and Optical Commu-

nication Infrastructure

Under voltage lockout is internally set at 2.6V, but can

be increased by programming the threshold with a

resistor network on the enable pin. The output voltage

startup ramp is controlled by the soft start pin. An open

drain power good signal indicates the output is within

93% to 107% of its nominal voltage.

Ordering Information

ORDER

Marking

TEMP.

RANGE

PACKAGE

(Green)

Frequency fold back and thermal shutdown protects

the device during an over-current condition.

NUMBER

G5193R41U

G5193R41D

5193

-40°C to +85°C TQFN3X3-16

Note: R4: TQFN3X3-16

1: Bonding Code

U & D: Tape & Reel

Pin Configuration

Typical Application Circuit

VIN

3.3V to 5.5V

G5193

VIN

L_O

1.0µH

48.7KΩ

VOUT

1.8V

C_BS

0.1µF

100KΩ

C₂

0.1µF

C_I

10µF

VINA

C_O

22*2µF

C_D*

32.4KΩ

VIN

GND

100KΩ

Thermal

Pad

(0.827V)

80KΩ

GND

AGND

COMP

R_T

182KΩ

C_SS

0.01µF

R_C

20KΩ

C_C

C_Z*

G5193 TQFN3X3-16

470PF

Note: Recommend connecting the Thermal Pad to

the Ground for excellent power dissipation.

＊ Option

＊ VINA must connect to VIN

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 0.2

Jul 18, 2012

中文翻译

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与G5193相关器件

型号	品牌	获取价格	描述	数据表
G5193R41U	GMT	获取价格	G5193 Global Mixed-mode Technology
G5196	GMT	获取价格	High Efficiency, 6A Output, Synchronous Step Down1
G5197	GMT	获取价格	3A Capable Slew Rate Controlled Load Switch With True Reverse Current Blocking.
G5198	GMT	获取价格	Ultra-Low Loss Load Switch
G51S50A	ALTECH	获取价格	Mains Power Connector,
G51S70A	ALTECH	获取价格	Mains Power Connector,
G-52.61KOHM1%	VISHAY	获取价格	RESISTOR, WIRE WOUND, 4 W, 1 %, 20 ppm, 2610 ohm, THROUGH HOLE MOUNT, AXIAL LEADED
G-52.61OHM1%	VISHAY	获取价格	RESISTOR, WIRE WOUND, 4 W, 1 %, 50 ppm, 2.61 ohm, THROUGH HOLE MOUNT, AXIAL LEADED
G-52.87KOHM1%	VISHAY	获取价格	RESISTOR, WIRE WOUND, 4 W, 1 %, 20 ppm, 2870 ohm, THROUGH HOLE MOUNT, AXIAL LEADED
G-52.87OHM1%	VISHAY	获取价格	RESISTOR, WIRE WOUND, 4 W, 1 %, 50 ppm, 2.87 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

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