BL8554 datasheet(1/8 Pages) BELLING

Part #	BL8554

Description	300mA High PSRR, Linear Regulator

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Manufacturer	BELLING [SHANGHAI BELLING CO., LTD.]

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300mA High PSRR, Linear Regulator

BL8554

DESCRIPTION

BL8554 series is a group of positive voltage

output, low power consumption, low dropout

voltage regulator.

BL8554 can provide output value in the range

of 1.0V~4.5V every 0.1V step. It also can be

customized on command.

BL8554

includes

high

accuracy

voltage

reference, error amplifier, current limit circuit

and output driver module。

BL8554 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%.

BL8554 is available in SOT-23-5, SC-70-5

and SOT23-3 packages which is lead free.

FEATURES

• Low Power Consumption: 25uA（Typ.）

• Low output noise (47uVRMS)

• Standby Mode: 0.1uA

• Low dropout Voltage: 0.16V@300mA

(Typ.)

• High Ripple Rejection: 73dB@100Hz

(Typ.)

• Low

Temperature

Coefficient:

±

100ppm/

°C

• Excellent Line regulation: 0.05%/V

• Build-in chip enable circuit

• Output

Voltage

Range:

1.0V~4.5V

(customized on command every 0.1V

step)

• Highly Accurate: ±2%

• Output Current Limit

APPLICATIONS

• Power source for cellular phones and

various kind of PCSs

• Battery Powered equipment

• Power Management of MP3, PDA, DSC,

Mouse, PS2 Games

• Reference Voltage Source

• Regulation after Switching Power

TYPICAL APPLICATION

VDD

VOUT

GND

Cin

Input

Cout

CE

Output

On/Off

NOTE: Input capacitor (Cin=1uF) and Output

capacitor (Cout=3.3uF/4.7uF) are

recommended in all application circuit.

ELECTRICAL CHARACTERISTICS

Load Regulation

(VIN=4.5V)

3

3.05

3.1

3.15

3.2

3.25

3.3

3.35

0

50

100

150

200

250

300

350

Iout(mA)

BL8554

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BL8554 Datasheet(PDF) 1 Page - SHANGHAI BELLING CO., LTD.

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