Datasheet > LADLD37G-SH2-R

LADLD37G-SH2-R

更新时间： 2024-10-20 01:23:27

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
7页	241K
描述
ULTRA LOW DROPOUT LINEAR REGULATOR

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LADLD37G-SH2-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

LXXLD37

Preliminary

CMOS IC

3A, ULTRA LOW DROPOUT

(0.17V @ 3A) LINEAR

REGULATOR



FEATURES

The UTC LXXLD37 is a typical LDO with the features of very low

dropout voltage as low as 0.17V at output current 3A.

For normal operation, two supply voltages are necessary. One

called control voltage from other equipment can shutdown the

output voltage and it should pull and hold the voltage of EN pin less

than 0.5V. Another one is the main supply voltage whose purpose is

for main power conversion, to keep the power dissipation low, and

to make the dropout voltage lower.

Internally, in the UTC LXXLD37, there’re many functions which

can be seen in the block figure to prevent the IC from being

damaged. Internal Power-On-Reset (POR) circuit can control the

two supply voltages to prevent fault operations of the circuit; the

thermal shutdown circuit is able to protect the device from over

thermal operation, and a current limit function will keep the device

work safely under current over-loads.

The UTC LXXLD37 can be used as an ideal to provide well

supply voltage in the applications, such as front-side-bus

termination on motherboard, NB applications, front side bus V_TT

(1.2V/3A) and note book PC applications.



FEATURES

* Low Dropout V_D=0.17V(typ.)@ I_OUT=3A

* Low ESR Output Capacitor

* V_REF=0.8V

* Internal Current Limit Protection

* Internal Under Voltage Protection

* Hysteretic Thermal Shutdown

* Fast Transient Response

* With Power-OK Output (with a Delay Time)

* Low Shutdown Quiescent Current (<30 uA)

* Shutdown/Enable Control Function

* Output Voltage Adjustable through External Resistors

* POR(Power-On-Reset) controlling V_CNTLand V_IN

* With internal Soft-Start



ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

LXXLD37L-SH2-R

LXXLD37L-K10-3030-R

LXXLD37G-SH2-R

HSOP-8

Tape Reel

LXXLD37G-K10-3030-R

DFN3030-10

www.unisonic.com.tw

1 of 7

QW-R102-091.b

12 3 4 5 6 7

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