LR6156 datasheet(1/7 Pages) LRC

Part #	LR6156

Description	Dual 300mA High PSRR LDO Two low dropout voltage regulators

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Manufacturer	LRC [Leshan Radio Company]

Direct Link	http://www.lrc.cn/

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LR6156

Dual 300mA High PSRR LDO

FEATURES

• Two low dropout voltage regulators

• 300mA output current for each LDO

• 20uA operating supply current per LDO

• Low 47uVRMS output noise

• Standby Mode: 0.1uA

• Low 160mV dropout at 300mA load

•

73dB PSRR at 100Hz

• Excellent Line regulation: 0.05%/V

• Independent Shutdown controls

• 1.5V to 4.5V Factory-Preset Output

• Output Current Limit

• High Accuracy: ±2% (±1% customized)

APPLICATIONS

• Cellular phones

• Cordless phones and radio

communication equipment

• Battery Powered equipment

• Notebook and hand-hold equipment

• Wireless LAN

• GPS receivers

ORDERING INFORMATION

DESCRIPTION

The LR6156 is a dual,low-noise,low-

dropout regulator delivering at least 300mA of

continuous output current. The output voltage

for each regulator is set independently by

trimming.Voltages are selectable in 100mV

steps within a range of 1.5V to 4.5V.Typical

output noise is 47uVrms,and PSRR is 73dB

at 100Hz. The LR6156 includes two

independent logic-controlled shutdown inputs

and allows the output of each regulator to be

turned of independently.

The LR6156 includes high accuracy

voltage reference, error amplifier, current limit

circuit and output driver module.

The LR6156 has excellent load and line

transient response and good temperature

characteristics, which can assure the stability

of chip and power system. And it uses

trimming technique to guarantee output

voltage accuracy within±2%.

The LR6156 is available in SOT-23-6

package which is lead(Pb)- free

LR6156 –X X XX

TYPICAL APPLICATION

APPLICATION HINTS

NOTE:

Input capacitor (Cin=1uF) and Output

capacitor (Cout=1uF/3.3uF) arerecommended

in all application circuit.

Package:R6:SOT-

23-6

Operating temperature range

C:commercial standard

P：Pb free

Output Voltage：

Code

Vout1 Vout2

Code

Vout1

Vout2

B

1.5V

2.8V

M

2.8V

1.8V

C

1.5V

3.0V

O

2.8V

D

1.5V

3.3V

P

2.8V

3.0V

E

1.5V

4.0V

Q

3.0V

2.5V

G

1.8

H

1.8V

2.8V

S

3.0V

3.3V

I

1.8V

3.0V

T

3.3V

1.8V

J

1.8V

3.3V

Leshan Radio Co ., Ltd

1/7

V

2.5V

R

3.0V

W

2.5V

3.0V

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