ACT88326VA datasheet(13/41 Pages) ACTIVE-SEMI

13 / 41 page

ACT88326VA

Rev 1.0, 29-May-2018

Innovative PowerTM

www.active-semi.com

ActiveSwitcherTM is a trademark of Active-Semi.

LDO1-2 ELECTRICAL CHARACTERISTICS

(AVIN = VIN = 5V, TA = 25°C, unless otherwise specified.)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Operating Voltage Range LDO1

AVIN (Input Voltage) to the LDO1

2.7

5.5

Output Voltage Range

Option 1 Configurable in 9.375mV steps

0.6

2.991

Option 2 Configurable in 12.5mV steps

0.8

3.9875

Output Current

270

300

Output Voltage Accuracy

AVIN - VLDOx_OUT > 0.4V

-1

VNOM

Line Regulation

AVIN - VLDOx_OUT > 0.4V

ILDOx_OUT = 1mA

0.03

0.2

Load Regulation

ILDOx_OUT = 1mA to 100mA,

VLDOx_OUT = default CMI

0.5

Power Supply Rejection Ratio

f = 1kHz, ILDOx_OUT = 20mA,

VLDOx_OUT = 1.8V, Note 1

40.8

f = 10kHz, ILDOx_OUT = 20mA,

VLDOx_OUT = 1.8V, Note 1

31.2

f = 2.25MHz, ILDOx_OUT = 20mA,

VLDOx_OUT = 1.8V, Note 1

53.6

Supply Current per Output

Regulator Disabled

µA

Supply Current

Regulator Enabled, No load

µA

Soft-Start Period

Time from soft start “ON” to PGOOD. VLDOx = 1.8V

140

225

350

µs

Time from soft start “ON” to PGOOD. VLDOx = 3.3V

140

300

430

µs

Power Good Threshold

VLDOx_OUT Rising

92.5

% VNOM

Power Good Hysteresis

VLDOx_OUT Falling

% VNOM

Overvoltage Fault Threshold

VLDOx_OUT Rising

105

110

115

% VNOM

Overvoltage Fault Hysteresis

VLDOx_OUT Falling

% VNOM

Discharge Resistance

125

Ω

Dropout Voltage

ILDOx_OUT = 220mA, VLDOx_OUT = 2.7V

150

Output Current Limit

ILIM [1:0] = 00

ILIM [1:0] = 01

ILIM [1:0] = 10

ILIM [1:0] = 11

-35%

190

250

330

465

+35%

Startup Time

Time from Enable to PG

300

400

µs

Note 1: AVIN - VLDOx_OUT > 0.4V

ACT88326VA Datasheet(PDF) 13 Page - Active-Semi, Inc

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